Alexander Thanh Nguyen, M.D., M.P.H.
Psychiatry Physician · Torrance, CA
Alexander Thanh Nguyen, M.D., M.P.H. is a psychiatry physician with a practice address in Torrance, California, and NPI 1821330069, issued on Mar 26, 2013. Check the license (California A143656, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alexander Thanh Nguyen
- Credential
- M.D., M.P.H.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A143656 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 W Carson St # 8, Torrance, CA 90502
- Phone
- (310) 222-3137
- Enumerated
- Mar 26, 2013
- Record last updated
- Jul 13, 2018 (not updated in 8 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 1000 W Carson St # 8
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sumedha SinhaPsychiatry Physician1609338177
- Kimberly Su, MDPsychiatry Physician1538962212
- Vivian Tang, MDPsychiatry Physician1013275148
- Michelle TawaPsychiatry Physician1124263108
Verify Alexander Thanh Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A143656Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average psychiatry physician in 2024
629 Medicare Part D claims for 20 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Olanzapine95 claims
- Invega Sustenna66 claims
- Buspirone Hcl51 claims
- Haloperidol Decanoate48 claims
- Benztropine Mesylate38 claims
- Clozapine36 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.
Alexander Thanh Nguyen among 8,673 psychiatry physician records in California
Alexander Thanh Nguyen, M.D., M.P.H. 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 2013, is newer than 69% of them.
- NPI issued2013 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2018 · 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).
150 psychiatry physician records list a practice address in Torrance
They are 150 of the 8,901 NPPES records with a practice address in Torrance, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Torrance → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Karl Burgoyne, M.D.Torrance, CA 905021518028943
- Andrea Caldwell, M.D.Torrance, CA 905021205907037
- Samson Cho, M.D.Torrance, CA 905021659448645
- Deborah Flores, M.D.Torrance, CA 905021306819586
- Benjamin Furst, MDTorrance, CA 905021033214010
- Charles Grob, M.D.Torrance, CA 905021396710307
- Andrew Ho, M.D.Torrance, CA 905021962465096
- Ira Lesser, M.D.Torrance, CA 905021477500460
Common questions
What is Alexander Thanh Nguyen, M.D., M.P.H.'s NPI number?
Alexander Thanh Nguyen, M.D., M.P.H.'s National Provider Identifier (NPI) is 1821330069, issued on Mar 26, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Thanh Nguyen, M.D., M.P.H. located?
The NPPES record lists a practice address at 1000 W Carson St # 8, Torrance, CA, 90502. Phone: (310) 222-3137. Providers update this record themselves, so call before visiting.
How can I verify Alexander Thanh Nguyen, M.D., M.P.H.'s license?
NPPES lists California license number A143656, 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 Alexander Thanh Nguyen, M.D., M.P.H. prescribe under Medicare Part D?
In 2024, Alexander Thanh Nguyen, M.D., M.P.H. had 629 Medicare Part D claims for 20 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.