NPPES file of Aug 9, 2026

Thaibinh Tran Phan, M.D.

Adult Medicine Physician · Garden Grove, CA

Thaibinh Tran Phan, M.D. is an adult medicine physician with a practice address in Garden Grove, California, and NPI 1891957718, issued on Jul 1, 2008. Check the license (California A115702, 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
1891957718
Name
Thaibinh Tran Phan
Credential
M.D.
Primary taxonomy
Adult Medicine Physician 207QA0505X
License number
A115702 CA
Self-reported in NPPES; status is on the state search
Practice location
10691 Westminster Ave # 100, Garden Grove, CA 92843
Phone
(714) 539-4900
Enumerated
Jul 1, 2008
Record last updated
Sep 26, 2024
Fax
(714) 539-4902
Medicare enrollment
Enrolled (PECOS I20110902000456); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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.
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Verify Thaibinh Tran Phan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A115702
    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

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18% more Medicare Part D claims than the average adult medicine physician in 2024

3,531 Medicare Part D claims for 210 beneficiaries, against an average of 3,002 among the 1,307 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 19 claims were for opioids.

  1. Thaibinh Phan3,531
  2. Specialty average3,002

Most prescribed

  1. Atorvastatin Calcium306 claims
  2. Amlodipine Besylate209 claims
  3. Losartan Potassium176 claims
  4. Metformin Hcl167 claims
  5. Famotidine119 claims
  6. Alendronate Sodium113 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: $363.52

7 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 664 providers of this specialty with any payment received $1,405.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thaibinh Phan$363.52
  2. Specialty average$1,405.95

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

Bills Medicare through one group practice

  1. Family Choice Aco IncWestminster, CA

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

Thaibinh Tran Phan among 386 adult medicine physician records in California

Thaibinh Tran Phan, M.D. is one of 386 adult medicine physician records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 51% of them.

  • NPI issued2008 · 51% of these records are older, 45% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated2007 · median 2005 among the 187 with a school on file
  • Record last updated2024 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0505X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Medicine Physician providers in California

There are 386 adult medicine physician records in California.

The 8 adult medicine physician records with the nearest ZIP codes

  1. Julian LeonGarden Grove, CA 928451518847151
  2. Charles Myung, M.D.Garden Grove, CA 928411205387743
  3. Amarjit Sohi, M.D.Narco, CA 928601659579340
  4. Harry EisenbachVilla Park, CA 928611619597671
  5. Kathryn Gibbs, M.D.Villa Park, CA 928611124238308
  6. Albert CooperBrea, CA 928211134522279
  7. Dawn Vollmann, PABrea, CA 928211104335934
  8. William Nuesse, M.D.Orange, CA 928661952360729

Common questions

What is Thaibinh Tran Phan, M.D.'s NPI number?

Thaibinh Tran Phan, M.D.'s National Provider Identifier (NPI) is 1891957718, issued on Jul 1, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Thaibinh Tran Phan, M.D. located?

The NPPES record lists a practice address at 10691 Westminster Ave # 100, Garden Grove, CA, 92843. Phone: (714) 539-4900. Providers update this record themselves, so call before visiting.

How can I verify Thaibinh Tran Phan, M.D.'s license?

NPPES lists California license number A115702, 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 Thaibinh Tran Phan, M.D. prescribe under Medicare Part D?

In 2024, Thaibinh Tran Phan, M.D. had 3,531 Medicare Part D claims for 210 beneficiaries; the average among adult medicine physician prescribers was 3,002. 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.