DR. TUAN VAN MAI M.D.
NPI 1326280231
Internal Medicine - Clinical Cardiac Electrophysiology in San Diego, CA

NPI Status: Active since March 24, 2009

Contact Information

501 WASHINGTON ST STE 512
SAN DIEGO, CA
ZIP 92103
Phone: (619) 297-0014
Fax: (619) 297-1014

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  • Individual
  • Male
  • Years of Experience 17
  • Internal Medicine
  • Clinical Cardiac Electrophysiology
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About TUAN MAI

This page provides the complete NPI Profile along with additional information for Tuan Mai, an internist established in San Diego, California with a medical specialization in Internal Medicine, focusing in clinical cardiac electrophysiology and more than 17 years of experience. He graduated from University Of California, San Diego School Of Medicine in 2009. The healthcare provider is registered in the NPI registry with number 1326280231 assigned on March 2009. The practitioner's primary taxonomy code is 207RC0001X with license number A113870 (CA). The provider is registered as an individual and his NPI record was last updated 7 years ago.

NPI
1326280231
Provider Name
DR. TUAN VAN MAI M.D.
Gender
Male
Entity Type
Individual
Location Address
501 WASHINGTON ST STE 512 SAN DIEGO, CA 92103
Location Phone
(619) 297-0014
Location Fax
(619) 297-1014
Mailing Address
501 WASHINGTON ST STE 512 SAN DIEGO, CA 92103
Medical School Name
UNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE
Graduation Year
2009
Is Sole Proprietor?
Yes
Enumeration Date
03-24-2009
Last Update Date
05-17-2018
Code Navigator

An internist like Tuan Mai is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Secondary Locations

  • 3181 SW Sam Jackson Park Rd
    Portland, OR 97239
    (503) 494-8652
  • 230 Prospect Pl Ste 250
    San Diego, CA 92118
    (619) 435-1660

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine Clinical Cardiac Electrophysiology

Taxonomy Code
207RC0001X
Type
Allopathic & Osteopathic Physicians
License No.
A113870
License State
CA
Taxonomy Description
A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

A113870 (CA)
2207RC0000XAllopathic & Osteopathic Physicians

Internal Medicine
Cardiovascular Disease

MD162045 (OR)

Medicare Participation & PECOS Enrollment Status

Tuan Mai is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Tuan Mai is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 6901061399

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20180529002584

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Comprehensive electrophysiologic evaluation with catheter destruction of abnormality causing atrial fibrillation (uncoordinated contraction of upper chambers of heart) by pulmonary vein isolation

This is a procedure to treat atrial fibrillation, a condition causing irregular heartbeats. It involves a detailed heart evaluation using electrophysiology. A catheter is then used to destroy the problematic area causing the issue. Specifically, isolation of the pulmonary vein is done to regulate the heartbeat.

This service was performed 26 times for 26 patients

Critical care, first 30-74 minutes

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

This service was performed 41 times for 15 patients

Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional

An Electrocardiogram (ECG) is a non-invasive test that records the electrical signals in your heart. For up to 30 days, a small device will continuously monitor your heart's activity. A healthcare professional will then review the data and provide a report on your heart's function.

This service was performed 55 times for 50 patients

Electrocardiogram (ecg) up to 30 days continuous with transmission of patient triggered events with review and report by health care professional

An Electrocardiogram (ECG) is a test that records your heart's electrical activity for up to 30 days. You trigger a transmission if you feel symptoms, which is then reviewed by a healthcare professional. The report helps diagnose heart conditions.

This service was performed 55 times for 50 patients

Established patient office or other outpatient visit, 30-39 minutes

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

This service was performed 577 times for 316 patients

Established patient office or other outpatient visit, 40-54 minutes

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

This service was performed 54 times for 51 patients

Evaluation of cardiac rhythm monitor system

The evaluation of a cardiac rhythm monitor system involves checking your heart's electrical activity. It's a non-invasive procedure that uses a device to record your heart's rhythm and rate. This helps identify any irregularities, ensuring your heart is functioning properly.

This service was performed 48 times for 34 patients

Evaluation of cardiac rhythm monitor system, remote up to 30 days

This procedure involves remotely monitoring your heart rhythm for up to 30 days. A small device will record your heart's activity, which can be accessed by your healthcare team. This aids in diagnosing any irregularities or issues with your heart function.

This service was performed 371 times for 51 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system

An evaluation of a pacemaker system examines how well your heart device is working. Single, dual, multiple lead, or leadless refers to the wires that deliver electrical pulses from the pacemaker to your heart. This check ensures your heart is receiving the right amount of support from the device.

This service was performed 177 times for 116 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days

This procedure involves remotely monitoring your pacemaker or implantable defibrillator system. Over a 90-day period, we check the device's performance and your heart's activity. This helps ensure the device is functioning properly and providing the best possible support for your heart health.

This service was performed 104 times for 36 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days

This procedure evaluates your pacemaker system remotely for up to 90 days. It checks whether single, dual, multiple lead, or leadless pacemakers are working properly. It's a safe, convenient way to ensure your heart device is functioning optimally.

This service was performed 280 times for 93 patients

Evaluation of single, dual, or multiple lead implantable defibrillator system

This procedure evaluates your implantable defibrillator system, which helps regulate your heart rhythm. It can involve single, dual, or multiple lead systems. It's essential to ensure the device is working correctly and adjusting to your heart's needs.

This service was performed 44 times for 28 patients

Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days

This procedure involves remotely monitoring your implantable defibrillator system, which can have single, dual, or multiple leads. Over a period of up to 90 days, the system's performance is evaluated to ensure it's working properly and providing the necessary heart rhythm support.

This service was performed 87 times for 26 patients

External shock to heart to regulate heart beat

This procedure, known as cardioversion, uses an external electrical shock to restore your heart's normal rhythm. It's typically performed when irregular heartbeats, or arrhythmias, are causing severe symptoms and aren't responding to medications.

This service was performed 33 times for 28 patients

Follow-up hospital inpatient care per day, typically 35 minutes

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

This service was performed 104 times for 41 patients

Initial hospital inpatient care per day, typically 50 minutes

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

This service was performed 21 times for 21 patients

Initial hospital inpatient care per day, typically 70 minutes

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

This service was performed 34 times for 31 patients

Insertion of heart rhythm monitor under skin

The insertion of a heart rhythm monitor under the skin is a procedure to track your heart's activity. A small device is placed under your skin, recording your heart's rhythms continuously. This helps identify irregular heartbeats or conditions, aiding in your treatment.

This service was performed 17 times for 17 patients

Insertion of left lower heart electrode for pacemaker or defibrillator

The procedure involves placing a small electrode in your left lower heart region. This electrode is part of a pacemaker or defibrillator, devices that help regulate your heart rhythm. It's done under local anesthesia, and you may feel mild discomfort.

This service was performed 12 times for 12 patients

Insertion of pacemaker and upper and lower heart chamber electrode

A pacemaker insertion is a procedure where a small device, called a pacemaker, is implanted under your skin. This device uses electrical pulses to prompt the heart to beat at a normal rate. Electrodes are placed in the upper and lower chambers of your heart to help regulate your heartbeat.

This service was performed 22 times for 22 patients

Interrogation device evaluation(s), (remote) up to 30 days; implantable cardiovascular physiologic monitor system, implantable loop recorder system, or subcutaneous cardiac rhythm monitor system, remote data acquisition(s), receipt of transmissions and tec

This procedure involves the remote monitoring of an implanted device in your heart for up to 30 days. The device collects data about your heart's function which is transmitted and analyzed. The goal is to track your heart's rhythm and identify any abnormalities.

This service was performed 80 times for 11 patients

New patient office or other outpatient visit, 60-74 minutes

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

This service was performed 122 times for 122 patients

Pacemaker insertion or repair

Pacemaker insertion or repair is a procedure to help regulate your heartbeat. A small device, called a pacemaker, is implanted under the skin near your heart. This device sends electrical signals to prompt your heart to beat at a normal rate. In a repair procedure, the pacemaker may be adjusted, replaced, or the wires connecting it to your heart may be fixed.

This service was performed for 79 patients

Programming of dual lead pacemaker system

Programming of a dual lead pacemaker system is a procedure to adjust your heart's pacemaker settings. This process involves a small device, called a programmer, that communicates with your pacemaker to ensure it's working optimally for your heart's needs.

This service was performed 36 times for 29 patients

Programming of multiple lead implantable defibrillator system

Programming of a multiple lead implantable defibrillator system involves adjusting settings on your implanted device to help control irregular heart rhythms. The process is non-invasive and helps ensure optimal device performance for maintaining heart health.

This service was performed 14 times for 13 patients

Removal and replacement of dual lead permanent pacemaker

This procedure involves removing an old dual lead pacemaker and replacing it with a new one. A pacemaker helps regulate your heart's rhythm. The dual lead model has two wires connecting to your heart to improve its electrical signaling. The replacement is done under local anesthesia.

This service was performed 14 times for 14 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

This service was performed 359 times for 201 patients

Ultrasound of heart blood flow, valves and chambers

An ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.

This service was performed 11 times for 11 patients

Ultrasound of heart blood flow, valves and chambers, follow-up

This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.

This service was performed 20 times for 19 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

This service was performed 20 times for 19 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

This service was performed 12 times for 12 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

This service was performed 27 times for 23 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

This service was performed 43 times for 39 patients

Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report

This procedure involves using ultrasound technology to create images of your heart while you rest, exercise, or undergo drug-induced stress. An ECG continuously monitors your heart's electrical activity. It helps doctors assess heart health and function.

This service was performed 14 times for 14 patients

Ultrasound of heart with probe in esophagus, with report

This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.

This service was performed 20 times for 19 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $35.05 for a new patient copayment and $27.1 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 92103 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $140.22
  • Minimum New Patient Price $62.1
  • Maximum New Patient Price $184.71
  • Average New Patient Copayment $35.05
  • Minimum New Patient Copayment $15.52
  • Maximum New Patient Copayment $46.17

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $108.42
  • Minimum Established Patient Price $20.62
  • Maximum Established Patient Price $151.42
  • Average Established Patient Copayment $27.1
  • Minimum Established Patient Copayment $5.15
  • Maximum Established Patient Copayment $37.85

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

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NPI Validation Check Digit Calculation


The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.

Start with the original NPI number, the last digit is the check digit and is not used in the calculation.
1326280231
Step 1: Double the value of the alternate digits, beginning with the rightmost digit.
234648026
Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24.
2 + 3 + 4 + 6 + 4 + 8 + 0 + 2 + 6 + 24 = 59
Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit.
60 - 59 = 11

The NPI number 1326280231 is valid because the calculated check digit 1 using the Luhn validation algorithm matches the last digit of the original NPI number.

Other Providers at the Same Location


The following 4 providers are registered at the same or nearby location.

NPI Name / Type Taxonomy Address
1447751227SAN DIEGO HEART ARRHYTHMIA CENTER, AMC
Organization
Internal Medicine (Clinical Cardiac Electrophysiology)501 WASHINGTON ST STE 512
SAN DIEGO, CA 92103
(619) 297-1014
1528559242KESHAV R. NAYAK, MD, AMC
Organization
Internal Medicine (Cardiovascular Disease)501 WASHINGTON ST STE 512
SAN DIEGO, CA 92103
(619) 297-0014
1386322287HEART ARRHYTHMIA CLINIC OF SAN DIEGO
Organization
Internal Medicine (Clinical Cardiac Electrophysiology)501 WASHINGTON ST STE 512
SAN DIEGO, CA 92103
(619) 297-0014
1437543733DR. CALVIN M. KAGAN MD, MPH
Individual
Internal Medicine (Clinical Cardiac Electrophysiology)501 WASHINGTON ST STE 512
SAN DIEGO, CA 92103
(619) 297-0014

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1326280231, enumerated in the NPI registry as an "individual" on March 24, 2009

The provider is located at 501 Washington St Ste 512 San Diego, Ca 92103 and the phone number is (619) 297-0014

The provider's speciality is Internal Medicine with taxonomy code 207RC0001X with a focus in Clinical Cardiac Electrophysiology

The provider has more than 17 years of experience. He graduated from University Of California, San Diego School Of Medicine in 2009.

Yes, as of June 20, 2025 the provider is registered in PECOS and is eligible to order health care services or supplies for Medicare patients. If you are a beneficiary the provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

Medicare beneficiaries should expect a typical cost of $140.22 with an average copayment of $35.05 for new patient appointments. Established patients should expect a typical charge of $108.42 and an average copayment of 27.1. Please review your insurance plan or contact the provider directly to determine your specific costs.

The most common procedures or services performed by this practitioner are: Comprehensive electrophysiologic evaluation with catheter destruction of abnormality causing atrial fibrillation (uncoordinated contraction of upper chambers of heart) by pulmonary vein isolation, Critical care, first 30-74 minutes, Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional, Electrocardiogram (ecg) up to 30 days continuous with transmission of patient triggered events with review and report by health care professional, Established patient office or other outpatient visit, 30-39 minutes, Established patient office or other outpatient visit, 40-54 minutes, Evaluation of cardiac rhythm monitor system, Evaluation of cardiac rhythm monitor system, remote up to 30 days, Evaluation of single, dual, multiple lead or leadless pacemaker system, Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days, Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days, Evaluation of single, dual, or multiple lead implantable defibrillator system, Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days, External shock to heart to regulate heart beat, Follow-up hospital inpatient care per day, typically 35 minutes, Initial hospital inpatient care per day, typically 50 minutes, Initial hospital inpatient care per day, typically 70 minutes, Insertion of heart rhythm monitor under skin, Insertion of left lower heart electrode for pacemaker or defibrillator, Insertion of pacemaker and upper and lower heart chamber electrode, Interrogation device evaluation(s), (remote) up to 30 days; implantable cardiovascular physiologic monitor system, implantable loop recorder system, or subcutaneous cardiac rhythm monitor system, remote data acquisition(s), receipt of transmissions and tec, New patient office or other outpatient visit, 60-74 minutes, Pacemaker insertion or repair, Programming of dual lead pacemaker system, Programming of multiple lead implantable defibrillator system, Removal and replacement of dual lead permanent pacemaker, Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report, Ultrasound of heart blood flow, valves and chambers, Ultrasound of heart blood flow, valves and chambers, follow-up, Ultrasound of heart with color-depicted blood flow, rate and valve function, Ultrasound of heart with color-depicted blood flow, rate and valve function, Ultrasound of heart with color-depicted blood flow, rate, direction and valve function, Ultrasound of heart with color-depicted blood flow, rate, direction and valve function, Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report and Ultrasound of heart with probe in esophagus, with report.

This NPI record was last updated on March 24, 2009. To officially update your NPI information contact the National Plan and Provider Enumeration System (NPPES) at 1-800-465-3203 (NPI Toll-Free) or by email at [email protected].
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