Chinh Mai, MD
Internal Medicine Physician · Westminster, CA
Chinh Mai, MD is an internal medicine physician with a practice address in Westminster, California, and NPI 1992017636, issued on Jul 10, 2010. Check the license (California A126013, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Chinh Mai
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- A126013 CA
07051659 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8251 Westminster Blvd Ste 110, Westminster, CA 92683
- Phone
- (714) 839-5898
- Enumerated
- Jul 10, 2010
- Record last updated
- Apr 1, 2022
- Fax
- (855) 227-7512
- Medicare enrollment
- Enrolled (PECOS I20131104000704); accepts Medicare assignment
- Medical or professional school
- University College Of Medicine, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 8251 Westminster Blvd Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andy Luong, MFTIMarriage & Family Therapist1285159210
- Kim Xuyen NgoMental Health Counselor1235402116
- Hong Nhung NguyenCase Manager/Care Coordinator1679051130
- Kyle NguyenCase Manager/Care Coordinator1841622651
- Phuong Anh Nguyen, PA-CPhysician Assistant1295420685
- Tai NguyenCounselor1134534100
Verify Chinh Mai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A126013Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13.5 times the Medicare Part D claims of the average internal medicine physician in 2024
42,998 Medicare Part D claims for 635 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims. 110 claims were for opioids.
Most prescribed
- Atorvastatin Calcium2,326 claims
- Metformin Hcl1,768 claims
- Amlodipine Besylate1,753 claims
- Calcitriol1,627 claims
- Vascepa1,415 claims
- Carvedilol1,402 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: $2,547.14
104 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
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
- VM Medical GroupWestminster, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chinh Mai among 17,696 internal medicine physician records in California
Chinh Mai, MD 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 2010, is newer than 63% of them.
- NPI issued2010 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2000 · median 2004 among the 11,065 with a school on file
- Record last updated2022 · 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).
43 internal medicine physician records list a practice address in Westminster
They are 43 of the 1,306 NPPES records with a practice address in Westminster, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Westminster → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Loc Bui, M.D.Westminster, CA 926831023081387
- Andy Ho, M.D.Westminster, CA 926831801850821
- Vu Le, M.D.Westminster, CA 926831013992791
- Dean Ngo, MDWestminster, CA 926831982690582
- Loan Ngo, M.D.Westminster, CA 926831386696144
- Phuc Nguyen, M.D.Westminster, CA 926831134123961
- Vuong Nguyen, M.D.Westminster, CA 926831093701690
- Hoa Nguyen, M.DWestminster, CA 926831619931763
Common questions
What is Chinh Mai, MD's NPI number?
Chinh Mai, MD's National Provider Identifier (NPI) is 1992017636, issued on Jul 10, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Chinh Mai, MD located?
The NPPES record lists a practice address at 8251 Westminster Blvd Ste 110, Westminster, CA, 92683. Phone: (714) 839-5898. Providers update this record themselves, so call before visiting.
How can I verify Chinh Mai, MD's license?
NPPES lists California license number A126013, 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 Chinh Mai, MD prescribe under Medicare Part D?
In 2024, Chinh Mai, MD had 42,998 Medicare Part D claims for 635 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.