DR. DAVID TAEHYUNG AHN MD
NPI 1184949570
Internal Medicine - Endocrinology, Diabetes & Metabolism in Newport Beach, CA

NPI Status: Active since March 29, 2010

Contact Information

520 SUPERIOR AVE STE 150
NEWPORT BEACH, CA
ZIP 92663
Phone: (949) 764-7366
Fax: (949) 642-7703

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  • Individual
  • Male
  • Years of Experience 16
  • Internal Medicine
  • Endocrinology, Diabetes & Metabolism
  • Accepts Medicare Approved Payment
  • PECOS Enrolled
  • Medicare Quality Reporting

About DAVID AHN

This page provides the complete NPI Profile along with additional information for David Ahn, an internist established in Newport Beach, California with a medical specialization in Internal Medicine, focusing in endocrinology, diabetes & metabolism and more than 16 years of experience. He graduated from University Of California, San Diego School Of Medicine in 2010. The healthcare provider is registered in the NPI registry with number 1184949570 assigned on March 2010. The practitioner's primary taxonomy code is 207RE0101X with license number A117662 (CA). The provider is registered as an individual and his NPI record was last updated 7 years ago.

NPI
1184949570
Provider Name
DR. DAVID TAEHYUNG AHN MD
Gender
Male
Entity Type
Individual
Location Address
520 SUPERIOR AVE STE 150 NEWPORT BEACH, CA 92663
Location Phone
(949) 764-7366
Location Fax
(949) 642-7703
Mailing Address
1771 LA LOMA DR SANTA ANA, CA 92705
Medical School Name
UNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE
Graduation Year
2010
Is Sole Proprietor?
Yes
Enumeration Date
03-29-2010
Last Update Date
09-25-2018
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An internist like David Ahn 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.

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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 Endocrinology, Diabetes & Metabolism

Taxonomy Code
207RE0101X
Type
Allopathic & Osteopathic Physicians
License No.
A117662
License State
CA
Taxonomy Description
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

Medicare Participation & PECOS Enrollment Status

David Ahn 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.

David Ahn 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: 2567774946

    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: I20150629001684

    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

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Durable Medical Equipment

  • DME-Other DME (DE017N)

    Supplies for maintenance of insulin infusion catheter, per week (HCPCS:A4224)

    3 DME suppliers used 21 Medicare Claims 259 Services Paid

  • DME-Other DME (DE017N)

    Supplies for external insulin infusion pump, syringe type cartridge, sterile, each (HCPCS:A4225)

    3 DME suppliers used 22 Medicare Claims 720 Services Paid

  • DME-Other DME (DE017N)

    Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips (HCPCS:A4253)

    22 DME suppliers used 69 Medicare Claims 230 Services Paid

  • DME-Medical/Surgical Supplies (DA000N)

    Lancets, per box of 100 (HCPCS:A4259)

    11 DME suppliers used 24 Medicare Claims 44 Services Paid

  • DME-Other DME (DE017N)

    External ambulatory infusion pump, insulin (HCPCS:E0784)

    2 DME suppliers used 13 Medicare Claims 13 Services Paid

  • DME-Other DME (DE017N)

    Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service (HCPCS:K0553)

    15 DME suppliers used 555 Medicare Claims 556 Services Paid

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.

Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report

This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.

This service was performed 154 times for 74 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 384 times for 201 patients

New patient office or other outpatient visit, 45-59 minutes

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

This service was performed 71 times for 71 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 17 times for 17 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $35.59 for a new patient copayment and $27.49 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 92663 ZIP code area.

New Patients Visit Costs *

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

  • Average New Patient Price $142.39
  • Minimum New Patient Price $62.96
  • Maximum New Patient Price $187.6
  • Average New Patient Copayment $35.59
  • Minimum New Patient Copayment $15.74
  • Maximum New Patient Copayment $46.9

Established Patients Visit Costs *

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

  • Average Established Patient Price $109.96
  • Minimum Established Patient Price $20.84
  • Maximum Established Patient Price $153.61
  • Average Established Patient Copayment $27.49
  • Minimum Established Patient Copayment $5.21
  • Maximum Established Patient Copayment $38.4

* 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.

MIPS Quality Measures

The following performance measures were reported under the Merit-Based Incentive Payment System (MIPS) and Qualified Clinical Data Registry (QCDR) quality measures program.

Quality Measure Performance Number of Patients
Breast Cancer Screening 62% 370
Cervical Cancer Screening 9% 491
Diabetes: Eye Exam 1% 874
Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%) 54% "Inverse Quality Measure"
This is an inverse quality measure, a lower rate means the provider is rated better.
874
Diabetes: Medical Attention for Nephropathy 66% 874
Documentation of Current Medications in the Medical Record 63% 5828
e-Prescribing 99% 2667
Falls: Screening for Future Fall Risk 36% 553
HIV Screening 14% 1028
Pneumococcal Vaccination Status for Older Adults 25% 514
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan 31% 2323
Preventive Care and Screening: Influenza Immunization 6% 977
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention 6% 31
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention 98% 1046
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention 96% 1046
Provide Patients Electronic Access to Their Health Information 100% 3093
Use of High-Risk Medications in Older Adults 4% "Inverse Quality Measure"
This is an inverse quality measure, a lower rate means the provider is rated better.
553
Use of High-Risk Medications in Older Adults 5% "Inverse Quality Measure"
This is an inverse quality measure, a lower rate means the provider is rated better.
553
Use of High-Risk Medications in Older Adults 5% "Inverse Quality Measure"
This is an inverse quality measure, a lower rate means the provider is rated better.
553

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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.
1184949570
Step 1: Double the value of the alternate digits, beginning with the rightmost digit.
2116418418514
Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24.
2 + 1 + 1 + 6 + 4 + 1 + 8 + 4 + 1 + 8 + 5 + 1 + 4 + 24 = 70
Step 3: because the number obtained in step 2 ends in zero, the check digit is zero.
0

The NPI number 1184949570 is valid because the calculated check digit 0 using the Luhn validation algorithm matches the last digit of the original NPI number.

Other Providers at the Same Location


The following 7 providers are registered at the same or nearby location.

NPI Name / Type Taxonomy Address
1366535684 KRIS V IYER M.D.
Individual
Internal Medicine (Endocrinology, Diabetes & Metabolism)520 SUPERIOR AVE STE 150
NEWPORT BEACH, CA 92663
(949) 764-6204
1730207564KRIS V IYER MD INC
Organization
Internal Medicine (Endocrinology, Diabetes & Metabolism)520 SUPERIOR AVE STE 150
NEWPORT BEACH, CA 92663
(949) 764-6204
1124578992MRS. KELLY ANN TAYLOR NURSE PRACTITIONER
Individual
Nurse Practitioner520 SUPERIOR AVE STE 150
NEWPORT BEACH, CA 92663
(949) 764-6240
1114501848DAVID AHN, M.D., INC
Organization
Internal Medicine (Endocrinology, Diabetes & Metabolism)520 SUPERIOR AVE STE 150
NEWPORT BEACH, CA 92663
(949) 764-7366
1992390272DR. AMANDA TRAN PHARMD
Individual
Pharmacist (Ambulatory Care)520 SUPERIOR AVE STE 150
NEWPORT BEACH, CA 92663
(949) 764-8065
1619566726 JULIA MURPHY
Individual
Physician Assistant (Medical)520 SUPERIOR AVE STE 150
NEWPORT BEACH, CA 92663
(949) 764-8065
1295199768 DIANA W ZHAO MD
Individual
Internal Medicine520 SUPERIOR AVE STE 150
NEWPORT BEACH, CA 92663
(949) 764-8065

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1184949570, enumerated in the NPI registry as an "individual" on March 29, 2010

The provider is located at 520 Superior Ave Ste 150 Newport Beach, Ca 92663 and the phone number is (949) 764-7366

The provider's speciality is Internal Medicine with taxonomy code 207RE0101X with a focus in Endocrinology, Diabetes & Metabolism

The provider has more than 16 years of experience. He graduated from University Of California, San Diego School Of Medicine in 2010.

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.

The provider obtained a high score in the following performance measures: e-Prescribing, Provide Patients Electronic Access to Their Health Information , Use of High-Risk Medications in Older Adults. The quality ratings are based on unbiased reviews and reported submissions to Medicare's Quality Payment Program.

Medicare beneficiaries should expect a typical cost of $142.39 with an average copayment of $35.59 for new patient appointments. Established patients should expect a typical charge of $109.96 and an average copayment of 27.49. 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: Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report, Established patient office or other outpatient visit, 30-39 minutes, New patient office or other outpatient visit, 45-59 minutes and New patient office or other outpatient visit, 60-74 minutes.

This NPI record was last updated on March 29, 2010. 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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