Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Andrew An Trinh, MD

Individual provider Psychiatry Physician · NPI 1154905222

Andrew An Trinh, MD is a Psychiatry in Willimantic, Connecticut. Graduated from University of Connecticut School of Medicine in 2021, 5 years ago. Practices with Natchaug Hospital, Inc, a 34-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
5
Trained at
University of Connecticut School of Medicine
Licensed in
CT
In the registry since
2021
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

112 Mansfield Ave
Willimantic, CT 06226-2045
Phone: (860) 456-9116
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 189 Storrs Rd, Mansfield Center, CT 06250-1683 — (860) 456-1311
  • 326 Washington St, Norwich, CT 06360-2740 — (860) 889-8331

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 82481 (CT)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1154905222
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 5, 2021
Last updated in NPPESOctober 10, 2025
Certification dateOctober 10, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPSYCHIATRY
Medical schoolUNIVERSITY OF CONNECTICUT SCHOOL OF MEDICINE
Graduated 2021 (5 years in practice)
Group practice Natchaug Hospital, Inc — 34 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Willimantic