Individual provider Active NPI

Andrew An Trinh, MD

  • Psychiatry Physician
  • Willimantic, CT
National Provider Identifier
1154905222
Registry record updated Oct 10, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
82481 Issued in CT
Practice address
112 Mansfield Ave
Willimantic, CT 06226-2045
Phone
(860) 456-9116
NPI assigned
May 5, 2021
Last updated
Oct 10, 2025By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 10, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X NU
Psychiatry Physician 2084P0800X 82481 CT Primary

Addresses

Primary practice location

112 Mansfield Ave
Willimantic, CT 06226-2045

Mailing address

660 Stoneleigh Ave
Carmel, NY 10512-2466

Other practice location 1

189 Storrs Rd
Mansfield Center, CT 06250-1683
Phone (860) 456-1311

Other practice location 2

326 Washington St
Norwich, CT 06360-2740
Phone (860) 889-8331

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20251016000716 CT Practitioner - Psychiatry 1850888579 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Psychiatry
Education
University of Connecticut School of Medicine, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Natchaug Hospital, IncGroup PAC ID 5395648737, 34 clinicians

Practice addresses (Care Compare)

189 Storrs Rd
Mansfield Center, CT 06250-1683
Phone (860) 456-1311

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
82481CTMDPsychiatry Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Windham Community Memorial Hospital, Inc. Single Specialty CurrentSince Oct 1, 2025 Accepting new patients
Natchaug Hospital, Inc. Single Specialty CurrentSince Oct 1, 2025 Accepting new patients
The William W Backus Hospital Single Specialty Current Accepting new patients
William W Backus Hospital CurrentSince Oct 1, 2025 Accepting new patients

Locations

189 Storrs Rd
Mansfield Ctr, CT 06250
Phone (860) 456-1311

326 Washington St
Norwich, CT 06360
Phone (860) 701-0140

112 Mansfield Ave
Willimantic, CT 06226
Phone (830) 423-6410

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1620172800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760054400000",
    "number": "1154905222",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "660 STONELEIGH AVE",
            "city": "CARMEL",
            "state": "NY",
            "postal_code": "105122466"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "112 MANSFIELD AVE",
            "city": "WILLIMANTIC",
            "state": "CT",
            "postal_code": "062262045",
            "telephone_number": "860-456-9116"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "189 Storrs Rd",
            "address_purpose": "LOCATION",
            "city": "Mansfield Center",
            "state": "CT",
            "postal_code": "062501683",
            "country_code": "US",
            "telephone_number": "860-456-1311",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "326 Washington St",
            "address_purpose": "LOCATION",
            "city": "Norwich",
            "state": "CT",
            "postal_code": "063602740",
            "country_code": "US",
            "telephone_number": "860-889-8331",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TRINH",
        "first_name": "ANDREW",
        "middle_name": "AN",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-05-05",
        "last_updated": "2025-10-10",
        "certification_date": "2025-10-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CT",
            "license": "82481",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Willimantic, CT

Sources for this page

Verify at the official NPI Registry.