Thanh-Mai Trinh, MD
Obstetrics & Gynecology Physician · Garden Grove, CA
Thanh-Mai Trinh, MD is an obstetrics & gynecology physician with a practice address in Garden Grove, California, and NPI 1578589560, issued on Jul 14, 2006. Check the license (California A60206, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thanh-Mai Trinh
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A60206 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10212 Westminster Ave, Garden Grove, CA 92843
- Phone
- (714) 638-1864
- Enumerated
- Jul 14, 2006
- Record last updated
- Feb 25, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (714) 638-1964
- Medicaid ID
- 00A602060 CA
- Medicare enrollment
- Enrolled (PECOS I20100726000187); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 10212 Westminster Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steve Hwang, M.D.Specialist1952412470
Verify Thanh-Mai Trinh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A60206Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
181 Medicare Part D claims for 116 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Clotrimazole-Betamethasone32 claims
- Fluconazole30 claims
- Doxycycline Hyclate24 claims
- Ciprofloxacin Hcl21 claims
- Estradiol15 claims
- Metronidazole11 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: $122.82
2 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Thanh-Mai Trinh among 5,088 obstetrics & gynecology physician records in California
Thanh-Mai Trinh, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1994 · median 2004 among the 2,700 with a school on file
- Record last updated2010 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Garden Grove → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Mehrdad Forghani-Arani, D.O.Garden Grove, CA 928431457373342
- Ha Nguyen, M.D.Garden Grove, CA 928431447275631
- Christopher Winkle, MDGarden Grove, CA 928431437221561
- Thuc Tran, M.D.Garden Grove, CA 928441669580064
- Tuong Van Nguyen, M.D.Garden Grove, CA 928401851719132
- Mary Washburn, M.D.Garden Grove, CA 928401225203169
- Christina Borsari, MDFullerton, CA 928351356308704
- Christina BuchananFullerton, CA 928351750818357
Common questions
What is Thanh-Mai Trinh, MD's NPI number?
Thanh-Mai Trinh, MD's National Provider Identifier (NPI) is 1578589560, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thanh-Mai Trinh, MD located?
The NPPES record lists a practice address at 10212 Westminster Ave, Garden Grove, CA, 92843. Phone: (714) 638-1864. Providers update this record themselves, so call before visiting.
How can I verify Thanh-Mai Trinh, MD's license?
NPPES lists California license number A60206, 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 Thanh-Mai Trinh, MD prescribe under Medicare Part D?
In 2024, Thanh-Mai Trinh, MD had 181 Medicare Part D claims for 116 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.