Andrew An Trinh, MD
Psychiatry Physician · Willimantic, CT
Andrew An Trinh, MD is a psychiatry physician with a practice address in Willimantic, Connecticut, and NPI 1154905222, issued on May 5, 2021. Check the license (Connecticut 82481, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Andrew An Trinh
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 82481 CT
Self-reported in NPPES; status is on the state search - Practice location
- 112 Mansfield Ave, Willimantic, CT 06226
- Phone
- (860) 456-9116
- Enumerated
- May 5, 2021
- Record last updated
- Oct 10, 2025
- Medicare enrollment
- Enrolled (PECOS I20251016000716); accepts Medicare assignment
- Medical or professional school
- University Of Connecticut School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,174 in Connecticut → Look up another NPI →
Also registered at 112 Mansfield Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Melissa Bohan-Hallenbeck, APRNNurse Practitioner1174931687
- Bevan Bonhomme, MDEmergency Medicine Physician1598386468
Verify Andrew An Trinh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 82481Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average psychiatry physician in 2024
583 Medicare Part D claims for 48 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
- Duloxetine Hcl74 claims
- Sertraline Hcl70 claims
- Mirtazapine55 claims
- Bupropion Xl42 claims
- Trazodone Hcl42 claims
- Fluoxetine Hcl32 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.
Bills Medicare through one group practice
- Natchaug Hospital, IncMansfield Center, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew An Trinh among 1,174 psychiatry physician records in Connecticut
Andrew An Trinh, MD is one of 1,174 psychiatry physician records with a practice address in Connecticut. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 93% of them.
- NPI issued2021 · 93% of these records are older, 4% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2021 · median 2003 among the 503 with a school on file
- Record last updated2025 · 63% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Connecticut
There are 1,174 psychiatry physician records in Connecticut.
All 1,174 in Connecticut → Every provider in Willimantic → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Tia Maria Acosta, M.D.Willimantic, CT 062261679582167
- Jayantkumar Patel, M.D.Willimantic, CT 062261396779658
- Jayaprakash Shetty, MDWillimantic, CT 062261700844271
- Alexander Miano, M.D.Dayville, CT 062411932211612
- Ibrahim Sabri, MDDayville, CT 062411588284202
- Karen Daly, M.D.Mansfield Center, CT 062501477530665
- Stanley Dugan, M.D.Mansfield Center, CT 062501396938619
- Silvia Fernandez, MDMansfield Center, CT 062501740447358
Common questions
What is Andrew An Trinh, MD's NPI number?
Andrew An Trinh, MD's National Provider Identifier (NPI) is 1154905222, issued on May 5, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Andrew An Trinh, MD located?
The NPPES record lists a practice address at 112 Mansfield Ave, Willimantic, CT, 06226. Phone: (860) 456-9116. Providers update this record themselves, so call before visiting.
How can I verify Andrew An Trinh, MD's license?
NPPES lists Connecticut license number 82481, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Andrew An Trinh, MD prescribe under Medicare Part D?
In 2024, Andrew An Trinh, MD had 583 Medicare Part D claims for 48 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.