Thanh-Van Mai, MD
Family Medicine Physician · Camarillo, CA
Thanh-Van Mai, MD is a family medicine physician with a practice address in Camarillo, California, and NPI 1528552411, issued on Jun 14, 2018. Check the license (California A164565, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thanh-Van Mai
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- A164565 CA
69531 CT
Self-reported in NPPES; status is on the state search - Practice location
- 422 Arneill RD Ste B, Camarillo, CA 93010
- Phone
- (805) 482-1282
- Enumerated
- Jun 14, 2018
- Record last updated
- Mar 11, 2025
- Fax
- (805) 383-4511
- Medicaid ID
- 1528552411 CT
- Medicare enrollment
- Enrolled (PECOS I20210929000393); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 422 Arneill RD Ste B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dorothy Du Graff, D.O.Family Medicine Physician1699180935
- Catherine Kim, M.D.Family Medicine Physician1497819809
- Alicia Mouwen, PA-CFamily Medicine Physician1619524824
- Debra Ouyang, MDEndocrinology, Diabetes & Metabolism Physician1174753826
- Hoang-Anh Pham, M.D.Pediatrics Physician1790041267
- Patrick Siu, M.D.Internal Medicine Physician1629005475
Verify Thanh-Van Mai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A164565Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
81 Medicare Part D claims for 41 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of 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.
The MIPS final score for 2023 (Medicare payment program): 93.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- St. Vincents Urgent Care LLCStratford, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thanh-Van Mai among 17,133 family medicine physician records in California
Thanh-Van Mai, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2018 · median 2005 among the 10,652 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 family medicine physician records list a practice address in Camarillo
They are 24 of the 2,656 NPPES records with a practice address in Camarillo, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Camarillo → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Raphael Argueta, M.D.Camarillo, CA 930101174744072
- Christopher Arnold, DOCamarillo, CA 930101356499156
- James Carlson, MEDICAL DOCTORCamarillo, CA 930101336139450
- Maria Dickey, DOCamarillo, CA 930101013164136
- Dorothy Du Graff, D.O.Camarillo, CA 930101699180935
- Wilson Fung, MDCamarillo, CA 930101942282819
- Emily Jiang, M.D.Camarillo, CA 930101366702946
- Carl Jonokuchi, MDCamarillo, CA 930101528027497
Common questions
What is Thanh-Van Mai, MD's NPI number?
Thanh-Van Mai, MD's National Provider Identifier (NPI) is 1528552411, issued on Jun 14, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Thanh-Van Mai, MD located?
The NPPES record lists a practice address at 422 Arneill RD Ste B, Camarillo, CA, 93010. Phone: (805) 482-1282. Providers update this record themselves, so call before visiting.
How can I verify Thanh-Van Mai, MD's license?
NPPES lists California license number A164565, 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-Van Mai, MD prescribe under Medicare Part D?
In 2024, Thanh-Van Mai, MD had 81 Medicare Part D claims for 41 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Thanh-Van Mai, MD's MIPS final score?
The 2023 MIPS final score is 93.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.