Vinh Q. Thai, MD
Psychiatry Physician · Milpitas, CA
Vinh Q. Thai, MD is a psychiatry physician with a practice address in Milpitas, California, and NPI 1205859758, issued on Jul 25, 2006. Check the license (California G74820, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Vinh Q. Thai
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- G74820 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1636 Watson CT, Milpitas, CA 95035
- Phone
- (650) 714-7595
- Enumerated
- Jul 25, 2006
- Record last updated
- Jan 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (669) 235-8105
- Medicare enrollment
- Enrolled (PECOS I20050120000652); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 1991
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Verify Vinh Q. Thai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G74820Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average psychiatry physician in 2024
674 Medicare Part D claims for 41 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Olanzapine76 claims
- Duloxetine Hcl70 claims
- Fluoxetine Hcl61 claims
- Quetiapine Fumarate53 claims
- Mirtazapine48 claims
- Lithium Carbonate Er47 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 practice group's MIPS final score for 2023 (Medicare payment program): 80.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- County OF Santa ClaraMilpitas, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Vinh Q. Thai among 8,673 psychiatry physician records in California
Vinh Q. Thai, MD is one of 8,673 psychiatry physician records with a practice address in California. 67% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated1991 · median 2005 among the 3,295 with a school on file
- Record last updated2021 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Milpitas → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Anjum Ahmed, M.D.Milpitas, CA 950351730520636
- E. Annie Lee, MDMilpitas, CA 950351275685075
- Harry Shin, MDMilpitas, CA 950351396822235
- Ricki-Leigh Brampton, M.D.Morgan Hill, CA 950371487964755
- Matthew Lilly, MDMorgan Hill, CA 950371346571643
- David Ly, DOMorgan Hill, CA 950371598159741
- Paul Michaels, M.D.Morgan Hill, CA 950371649548264
- Ruth Mondolfi, D.O.Morgan Hill, CA 950371568704641
Common questions
What is Vinh Q. Thai, MD's NPI number?
Vinh Q. Thai, MD's National Provider Identifier (NPI) is 1205859758, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Vinh Q. Thai, MD located?
The NPPES record lists a practice address at 1636 Watson CT, Milpitas, CA, 95035. Phone: (650) 714-7595. Providers update this record themselves, so call before visiting.
How can I verify Vinh Q. Thai, MD's license?
NPPES lists California license number G74820, 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 Vinh Q. Thai, MD prescribe under Medicare Part D?
In 2024, Vinh Q. Thai, MD had 674 Medicare Part D claims for 41 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Vinh Q. Thai, MD's MIPS final score?
The 2023 MIPS final score is 80.6 of 100, reported for the practice group. 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.