Thuy-Huynh Trinh Nguyen, M.D.
Psychiatry Physician · San Bernardino, CA
Thuy-Huynh Trinh Nguyen, M.D. is a psychiatry physician with a practice address in San Bernardino, California, and NPI 1356488290, issued on Jan 31, 2007. Check the license (California A67394, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thuy-Huynh Trinh Nguyen
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A67394 CA
Self-reported in NPPES; status is on the state search - Practice location
- 303 E Vanderbilt Way, San Bernardino, CA 92408
- Phone
- (909) 388-0810
- Enumerated
- Jan 31, 2007
- Record last updated
- Nov 3, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (909) 890-0281
- Medicare enrollment
- Enrolled (PECOS I20090626000256); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 303 E Vanderbilt Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Irmeli Aus, RNPsychiatric/Mental Health Registered Nurse1851567838
- Clarence Chung, PHARM.D.Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1902184864
- Robert Fusco, LMFTMarriage & Family Therapist1821455338
- Bradley Gilbert, M.D.Public Health & General Preventive Medicine Physician1114074465
- Steven Hale, LCSWClinical Social Worker1124398938
- William Henning, D.O.Family Medicine Physician1730158098
Verify Thuy-Huynh Trinh Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A67394Check 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
121 Medicare Part D claims for 14 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Allopurinol13 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: $122.31
3 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 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
- County OF San BernardinoRialto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thuy-Huynh Trinh Nguyen among 8,673 psychiatry physician records in California
Thuy-Huynh Trinh 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 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 48% 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 updated2014 · 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).
56 psychiatry physician records list a practice address in San Bernardino
They are 56 of the 5,645 NPPES records with a practice address in San Bernardino, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in San Bernardino → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Mekabiz Abaian, MDSan Bernardino, CA 924081891090163
- Gillian Friedman, MDSan Bernandino, CA 924081336282052
- Juan Gonzalez, M.D.San Bernardino, CA 924081013263193
- Tapeesh Kansal, MDSan Bernardino, CA 924081841291408
- Ayodeji Okusanya, M.D.San Bernardino, CA 924081700230844
- Michael Quines, M.D.San Bernardino, CA 924081689870420
- Christopher Schreur, M.D.San Bernardino, CA 924081407029424
- Jyotila Singh, M.D.San Bernardino, CA 924081215096920
Common questions
What is Thuy-Huynh Trinh Nguyen, M.D.'s NPI number?
Thuy-Huynh Trinh Nguyen, M.D.'s National Provider Identifier (NPI) is 1356488290, issued on Jan 31, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Thuy-Huynh Trinh Nguyen, M.D. located?
The NPPES record lists a practice address at 303 E Vanderbilt Way, San Bernardino, CA, 92408. Phone: (909) 388-0810. Providers update this record themselves, so call before visiting.
How can I verify Thuy-Huynh Trinh Nguyen, M.D.'s license?
NPPES lists California license number A67394, 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 Thuy-Huynh Trinh Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Thuy-Huynh Trinh Nguyen, M.D. had 121 Medicare Part D claims for 14 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.