NPPES file of Aug 9, 2026

Quynh Quoc Ai Dang, M.D.

Internal Medicine Physician · Bakersfield, CA

Quynh Quoc Ai Dang, M.D. is an internal medicine physician with a practice address in Bakersfield, California, and NPI 1487949343, issued on Jun 17, 2011. Check the license (California A128820, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1487949343
Name
Quynh Quoc Ai Dang
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A128820 CA
Self-reported in NPPES; status is on the state search
Practice location
2615 Chester Ave, Bakersfield, CA 93301
Phone
(661) 869-6227
Enumerated
Jun 17, 2011
Record last updated
Dec 30, 2024
Medicare enrollment
Enrolled (PECOS I20140919000004); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 2615 Chester Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jenny Agyeman, CRNACertified Registered Nurse Anesthetist1538589106
  2. Wafa AhmedPhysician Assistant1194376152
  3. Christopher Alix, AGACNP-BC, FNP-BCNurse Practitioner1093220998
  4. Brittany Ambrose, DOEmergency Medicine Physician1205530664
  5. Arabella Ancheta, ACNP-BCAcute Care Nurse Practitioner1588011357
  6. Lindsey Anspach, L-305882Lactation Consultant (Registered Nurse)1740920040

Verify Quynh Quoc Ai Dang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A128820
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

90% fewer Medicare Part D claims than the average internal medicine physician in 2024

325 Medicare Part D claims for 108 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 11 claims were for opioids.

  1. Quynh Dang325
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium24 claims
  2. Carvedilol13 claims
  3. Clopidogrel12 claims
  4. Eliquis12 claims
  5. Famotidine12 claims
  6. Doxycycline Hyclate11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $214.76

9 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Quynh Dang$214.76
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Galen Inpatient Physicians PCHanford, CA
  2. Southern California Permanente Medical GroupAnaheim, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Quynh Quoc Ai Dang among 17,696 internal medicine physician records in California

Quynh Quoc Ai Dang, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 66% of them.

  • NPI issued2011 · 66% of these records are older, 32% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2002 · median 2004 among the 11,065 with a school on file
  • Record last updated2024 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

214 internal medicine physician records list a practice address in Bakersfield

They are 214 of the 11,539 NPPES records with a practice address in Bakersfield, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Jennifer Abraham, MDBakersfield, CA 933011285650259
  2. Pritam Badesha, MDBakersfield, CA 933011972532679
  3. Rosie Boparai, MDBakersfield, CA 933011740226398
  4. Kevork Bouldoukian, M.D.Bakersfield, CA 933011720020464
  5. Chung- Kwang Chen, MDBakersfield, CA 933011083610273
  6. David Dougherty, M.D.Bakersfield, CA 933011205858917
  7. Jeffery Freesemann, MDBakersfield, CA 933011336156488
  8. Fakhruddin Hasta, M.D.Bakersfield, CA 933011316974694

Common questions

What is Quynh Quoc Ai Dang, M.D.'s NPI number?

Quynh Quoc Ai Dang, M.D.'s National Provider Identifier (NPI) is 1487949343, issued on Jun 17, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Quynh Quoc Ai Dang, M.D. located?

The NPPES record lists a practice address at 2615 Chester Ave, Bakersfield, CA, 93301. Phone: (661) 869-6227. Providers update this record themselves, so call before visiting.

How can I verify Quynh Quoc Ai Dang, M.D.'s license?

NPPES lists California license number A128820, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Quynh Quoc Ai Dang, M.D. prescribe under Medicare Part D?

In 2024, Quynh Quoc Ai Dang, M.D. had 325 Medicare Part D claims for 108 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.