Individual provider Active NPI

Annie W Yang, MD

  • Internal Medicine Physician
  • Hartford, CT
National Provider Identifier
1326625120
Registry record updated Sep 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
79835 Issued in CT
Practice address
80 Seymour St BLDG 502
Hartford, CT 06102-8000
Phone
(860) 972-0549
NPI assigned
Mar 26, 2021
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 16, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 79835 CT Primary
Hospitalist Physician 208M00000X 347429 NY

Addresses

Primary practice location

80 Seymour St BLDG 502
Hartford, CT 06102-8000

Mailing address

1290 Silas Deane Hwy
HHC-Cvo
Wethersfield, CT 06109-4337

Other practice location 1

757 Westwood Plz
Los Angeles, CA 90095-7419
Phone (310) 825-7375

Other practice location 2

1111 Amsterdam Ave
New York, NY 10025-1716
Phone (212) 523-2900

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
I20250211002044 CT Practitioner - Internal Medicine 6901336619 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Hartford Healthcare Medical Group Specialists PLLCGroup PAC ID 3173866241, 1,555 clinicians

Practice addresses (Care Compare)

80 Seymour St
Hartford, CT 06102-8000
Phone (860) 972-0549

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
79835CTMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Hartford Healthcare Medical Group Specialists, PLLC CurrentSince Feb 1, 2025 Accepting new patients
Hartford Healthcare Medical Group Specialists LLC CurrentSince Feb 1, 2025 Accepting new patients

Locations

1244 Storrs Rd
Storrs Mansfield, CT 06268
Phone (860) 724-2579

1290 Silas Deane Hwy
Wethersfield, CT 06109
Phone (860) 972-6977

Interoperability endpoints

  • Direct secure messaging: annie.yang@xdr.hhchealthdirect.org

Organizations & group practices 2

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

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1616716800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789516800000",
    "number": "1326625120",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1290 SILAS DEANE HWY",
            "address_2": "HHC-CVO",
            "city": "WETHERSFIELD",
            "state": "CT",
            "postal_code": "061094337"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "80 SEYMOUR ST BLDG 502",
            "city": "HARTFORD",
            "state": "CT",
            "postal_code": "061028000",
            "telephone_number": "860-972-0549"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "757 Westwood Plz",
            "address_purpose": "LOCATION",
            "city": "Los Angeles",
            "state": "CA",
            "postal_code": "900957419",
            "country_code": "US",
            "telephone_number": "310-825-7375",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1111 Amsterdam Ave",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100251716",
            "country_code": "US",
            "telephone_number": "212-523-2900",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "YANG",
        "first_name": "ANNIE",
        "middle_name": "W",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-03-26",
        "last_updated": "2026-09-16",
        "certification_date": "2026-09-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CT",
            "license": "79835",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "NY",
            "license": "347429",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Hartford, CT

Sources for this page

Verify at the official NPI Registry.