Tuan-Anh T. Nguyen, M.D.
Psychiatry Physician · San Diego, CA
Tuan-Anh T. Nguyen, M.D. is a psychiatry physician with a practice address in San Diego, California, and NPI 1225292378, issued on Jul 17, 2008. Check the license (California A109378, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tuan-Anh T. Nguyen
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- A109378 CA
R70949 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 3420 Kenyon St, San Diego, CA 92110
- Phone
- (619) 458-6717
- Enumerated
- Jul 17, 2008
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 3420 Kenyon St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Awalt, PSY.D. AND LCSWPsychologist1790980829
- Gene Batalia, MSW, LCSWClinical Social Worker1336345826
- Janine Becker, L.C.S.W.Clinical Social Worker1952507113
- Khadijah Bhutto Ramirez, M.A., LMFTMarriage & Family Therapist1407196413
- Mayra BonillaMarriage & Family Therapist1376071381
- Janice Brookes, LCSWClinical Social Worker1538364161
Verify Tuan-Anh T. Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A109378Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average psychiatry physician in 2024
120 Medicare Part D claims for 36 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
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.
Tuan-Anh T. Nguyen among 8,673 psychiatry physician records in California
Tuan-Anh T. Nguyen, M.D. 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 2008, is newer than 52% of them.
- NPI issued2008 · 52% of these records are older, 43% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- 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 San Diego → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Gurpreet Ahluwalia, M.D.San Diego, CA 921101164452272
- Scott Bunner, M.D.San Diego, CA 921101720115090
- Olga Caplin, MDSan Diego, CA 921101134249014
- Ronit Chernobelsky, MDSan Diego, CA 921101154468684
- Vanessa Greenwood, M.D.San Diego, CA 921101134281934
- H. Kower, M.D.San Diego, CA 921101841329653
- Lana Lee, MDSan Diego, CA 921101194803130
- Luckvin Manuel, M.D.San Diego, CA 921101699857813
Common questions
What is Tuan-Anh T. Nguyen, M.D.'s NPI number?
Tuan-Anh T. Nguyen, M.D.'s National Provider Identifier (NPI) is 1225292378, issued on Jul 17, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Tuan-Anh T. Nguyen, M.D. located?
The NPPES record lists a practice address at 3420 Kenyon St, San Diego, CA, 92110. Phone: (619) 458-6717. Providers update this record themselves, so call before visiting.
How can I verify Tuan-Anh T. Nguyen, M.D.'s license?
NPPES lists California license number A109378, 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 Tuan-Anh T. Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Tuan-Anh T. Nguyen, M.D. had 120 Medicare Part D claims for 36 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.