DR. GREGORY K FELD M.D.
NPI 1720003924
Internal Medicine - Clinical Cardiac Electrophysiology in San Diego, CA
NPI Status: Active since July 12, 2006
- Individual
- Male
- Years of Experience 49
- Internal Medicine
- Clinical Cardiac Electrophysiology
- Accepts Medicare Approved Payment
- PECOS Enrolled
About GREGORY FELD
This page provides the complete NPI Profile along with additional information for Gregory Feld, an internist established in San Diego, California with a medical specialization in Internal Medicine, focusing in clinical cardiac electrophysiology and more than 49 years of experience. He graduated from Geisel School Of Medicine At Dartmouth in 1977. The healthcare provider is registered in the NPI registry with number 1720003924 assigned on July 2006. The practitioner's primary taxonomy code is 207RC0001X with license number G37258 (CA). The provider is registered as an individual and his NPI record was last updated 8 years ago.
- NPI
- 1720003924
- Provider Name
- DR. GREGORY K FELD M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 200 W ARBOR DR SAN DIEGO, CA 92103
- Location Phone
- (858) 657-8530
- Mailing Address
- PO BOX 232410 SAN DIEGO, CA 92193
- Medical School Name
- GEISEL SCHOOL OF MEDICINE AT DARTMOUTH
- Graduation Year
- 1977
- Is Sole Proprietor?
- No
- Enumeration Date
- 07-12-2006
- Last Update Date
- 11-27-2017
- Code Navigator
An internist like Gregory Feld 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
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.
- G37258
- 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) |
---|---|---|---|---|
1 | 207RC0000X | Allopathic & Osteopathic Physicians | Internal Medicine | G37258 (CA) |
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Additional Identifiers
The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.
Identifier | Type / Code | Identifier State | Identifier Issuer |
---|---|---|---|
00G372580 | MEDICAID (05) | CA |
Medicare Participation & PECOS Enrollment Status
Gregory Feld 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.
Gregory Feld 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: 8628194537
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: I20100929000184
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
Comprehensive electrophysiologic evaluation with catheter destruction of abnormality of lower chamber of heart causing ventricular tachycardia (rapid heart rate) or ventricular ectopy (irregular heartbeat)
Electrocardiogram (ecg) 2-day continuous with review by health care professional
Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional
Established patient office or other outpatient visit, 20-29 minutes
Established patient office or other outpatient visit, 20-29 minutes
Established patient office or other outpatient visit, 30-39 minutes
Established patient office or other outpatient visit, 40-54 minutes
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, remote up to 90 days
External shock to heart to regulate heart beat
Follow-up hospital inpatient care per day, typically 35 minutes
Heart rhythm review and interpretation of continous external ekg over 8-15 days
Initial hospital inpatient care per day, typically 70 minutes
New patient office or other outpatient visit, 60-74 minutes
Pacemaker insertion or repair
Programming of dual lead implantable defibrillator system
Programming of dual lead pacemaker system
Programming of heart rhythm stimulation after drug infusion
Programming of multiple lead implantable defibrillator system
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only
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 23 times for 23 patientsThis procedure involves a thorough examination of your heart's electrical activity. It aims to identify and eliminate the abnormality causing rapid or irregular heartbeats in the lower chamber. A catheter is used to destroy the problematic area, helping restore normal heart rhythm.
This service was performed 16 times for 12 patientsAn Electrocardiogram (ECG) is a test that checks your heart's activity. The 2-day continuous ECG records your heart's rhythm non-stop for 48 hours. It helps to detect irregularities that may not occur during a shorter test. A healthcare professional will review the results to identify any issues.
This service was performed 17 times for 17 patientsAn 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 306 times for 298 patientsThis is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
This service was performed 14 times for 14 patientsThis is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
This service was performed 13 times for 13 patientsThis 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 12 times for 12 patientsThis 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 336 times for 281 patientsThis 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 264 times for 89 patientsThis 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 103 times for 35 patientsThis 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 42 times for 36 patientsFollow-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 50 times for 23 patientsThis service involves wearing a device for 8-15 days that continuously records your heart's electrical activity. It helps in identifying irregular heart rhythms. The recorded data is then reviewed and interpreted by a healthcare professional for any abnormalities.
This service was performed 22 times for 22 patientsInitial 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 11 times for 11 patientsThis 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 26 times for 26 patientsPacemaker 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 27 patientsProgramming of a dual lead implantable defibrillator system involves adjusting settings on a device implanted in your chest. This device monitors your heart rhythm and delivers electrical pulses to correct irregular heartbeats, helping maintain a healthy heart rhythm.
This service was performed 21 times for 16 patientsProgramming 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 87 times for 72 patientsProgramming of heart rhythm stimulation after drug infusion is a process to regulate your heartbeat. After a medication is administered into your body, a device is programmed to monitor and correct irregular heart rhythms, ensuring your heart functions optimally.
This service was performed 12 times for 12 patientsProgramming 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 17 times for 13 patientsA routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
This service was performed 275 times for 236 patientsPhysician 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. | |||||||||
1 | 7 | 2 | 0 | 0 | 0 | 3 | 9 | 2 | 4 |
Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
2 | 7 | 4 | 0 | 0 | 0 | 6 | 9 | 4 | |
Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
2 + 7 + 4 + 0 + 0 + 0 + 6 + 9 + 4 + 24 = 56 | |||||||||
Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
60 - 56 = 4 | 4 |
The NPI number 1720003924 is valid because the calculated check digit 4 using the Luhn validation algorithm matches the last digit of the original NPI number.
Other Providers at the Same Location
The following 20 providers are registered at the same or nearby location.
NPI | Name / Type | Taxonomy | Address |
---|---|---|---|
1043215502 | DR. ALFREDO B. TIU D.O. Individual | Internal Medicine (Nephrology) | 200 W ARBOR DR OWEN CLINIC SAN DIEGO, CA 92103 (619) 543-2415 |
1881691772 | DR. SIDNEY MERRITT MD Individual | Anesthesiology | 200 W ARBOR DR SAN DIEGO, CA 92103 (619) 543-5720 |
1689669863 | DR. NAVPARKASH SANDHU M.D. Individual | Anesthesiology | 200 W ARBOR DR UCSD MED CENTER SAN DIEGO, CA 92103 (619) 543-5742 |
1295721884 | JOHN T BESTOSO M.D. Individual | Internal Medicine (Nephrology) | 200 W ARBOR DR UCSD MEDICAL CENTER, SUITE 8781 SAN DIEGO, CA 92103 (619) 543-7310 |
1255301370 | DR. MICHAEL WARREN NIELSEN MD Individual | Emergency Medicine | 200 W ARBOR DR SAN DIEGO, CA 92103 (619) 543-6236 |
1356319891 | PAUL JOSEPH GIRARD M.D. Individual | Orthopaedic Surgery | 200 W ARBOR DR ORTHOPAEDIC SURGERY CLINIC, MAIL CODE 8670 SAN DIEGO, CA 92103 (619) 543-6312 |
1710944426 | DR. ROSALIND B DIETRICH MD Individual | Radiology (Diagnostic Radiology) | 200 W ARBOR DR MC 8756 SAN DIEGO, CA 92103 (619) 543-6766 |
1922065606 | DR. DAVID BUTLER HOYT M.D. Individual | Surgery | 200 W ARBOR DR SAN DIEGO, CA 92103 (619) 543-7200 |
1679530844 | DR. SANFORD J SHATTIL M.D. Individual | Internal Medicine | 200 W ARBOR DR UCSD MEDICAL CENTER SAN DIEGO, CA 92103 (888) 309-8273 |
1750349866 | DR. SVETLANA KATSEV M.D. Individual | Internal Medicine (Cardiovascular Disease) | 200 W ARBOR DR SAN DIEGO, CA 92103 (619) 543-7230 |
1154389328 | MS. CHRISTINE ELIZABETH ROBINSON APRN, BC Individual | Nurse Practitioner (Primary Care) | 200 W ARBOR DR SAN DIEGO, CA 92103 (619) 294-3777 |
1831157122 | DR. ASHOK R PARAMESWARAN MD Individual | Psychiatry & Neurology (Psychiatry) | 200 W ARBOR DR SAN DIEGO, CA 92103 (619) 543-3995 |
1841258050 | ROBERT TERKELTAUB M.D. Individual | Internal Medicine | 200 W ARBOR DR SAN DIEGO, CA 92103 (858) 657-6110 |
1477501450 | DR. KARL YODER HOSTETLER M.D. Individual | Internal Medicine | 200 W ARBOR DR UCSD MEDICAL CENTER SAN DIEGO, CA 92103 (858) 657-8440 |
1073561072 | JARDENA GARNER PA Individual | Physician Assistant | 200 W ARBOR DR UCSD MEDICAL CENTER - DEPARTMENT OF ORTHOPEDICS SAN DIEGO, CA 92103 (619) 543-2539 |
1144278805 | DR. NIKHIL KANSAL M.D. Individual | Surgery | 200 W ARBOR DR MC 8201 SAN DIEGO, CA 92103 (619) 543-1899 |
1366491474 | DR. HOWARD L TARAS MD Individual | Pediatrics | 200 W ARBOR DR UCSD MEDICAL CENTER MC-8201 SAN DIEGO, CA 92103 (858) 657-8333 |
1982654927 | DR. TONY T YANG M.D., PH.D. Individual | Psychiatry & Neurology (Psychiatry) | 200 W ARBOR DR UCSD MEDICAL CENTER SAN DIEGO, CA 92103 (858) 966-5832 |
1861443681 | MS. CAROL A MATTHEWS FNP Individual | Nurse Practitioner (Family) | 200 W ARBOR DR MC 8201 SAN DIEGO, CA 92103 (858) 822-4332 |
1396796124 | HEATHER MARY PATTON M.D. Individual | Internal Medicine | 200 W ARBOR DR MC 8413 SAN DIEGO, CA 92103 (619) 543-7544 |
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1720003924, enumerated in the NPI registry as an "individual" on July 12, 2006
The provider is located at 200 W Arbor Dr San Diego, Ca 92103 and the phone number is (858) 657-8530
The provider's speciality is Internal Medicine with taxonomy code 207RC0001X with a focus in Clinical Cardiac Electrophysiology
The provider has more than 49 years of experience. He graduated from Geisel School Of Medicine At Dartmouth in 1977.
The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to make sure your health plan is currently accepted.
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, Comprehensive electrophysiologic evaluation with catheter destruction of abnormality of lower chamber of heart causing ventricular tachycardia (rapid heart rate) or ventricular ectopy (irregular heartbeat), Electrocardiogram (ecg) 2-day continuous with review by health care professional, Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional, Established patient office or other outpatient visit, 20-29 minutes, Established patient office or other outpatient visit, 20-29 minutes, Established patient office or other outpatient visit, 30-39 minutes, Established patient office or other outpatient visit, 40-54 minutes, 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, remote up to 90 days, External shock to heart to regulate heart beat, Follow-up hospital inpatient care per day, typically 35 minutes, Heart rhythm review and interpretation of continous external ekg over 8-15 days, Initial hospital inpatient care per day, typically 70 minutes, New patient office or other outpatient visit, 60-74 minutes, Pacemaker insertion or repair, Programming of dual lead implantable defibrillator system, Programming of dual lead pacemaker system, Programming of heart rhythm stimulation after drug infusion, Programming of multiple lead implantable defibrillator system and Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only.
This NPI record was last updated on July 12, 2006. 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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