Individual provider Active NPI

Alan S. Armstrong, P.A.

  • Physician Assistant
  • Hartford, CT
National Provider Identifier
1790761898
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
000304 Issued in CT
Practice address
85 Seymour St
Suite 200
Hartford, CT 06106-5501
Phone
(860) 246-6589
Fax
(860) 560-2849
NPI assigned
Dec 20, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 000304 CT Primary

Addresses

Primary practice location

85 Seymour St
Suite 200
Hartford, CT 06106-5501

Mailing address

111 Founders PLZ
Suite 400
East Hartford, CT 06108-3212
Phone (860) 291-6554

Other identifiers 2

IdentifierTypeStateIssuer
A2516306OtherCTOXFORD
290000304CT02OtherCTANTHEM BC/BS

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
000304CTMDPodiatrist

Practice roles

OrganizationSpecialtyStatusNew patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc Past Accepting new patients

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1135036800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1790761898",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "111 FOUNDERS PLZ",
            "address_2": "SUITE 400",
            "city": "EAST HARTFORD",
            "state": "CT",
            "postal_code": "061083212",
            "telephone_number": "860-291-6554",
            "fax_number": "860-528-0778"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "85 SEYMOUR ST",
            "address_2": "SUITE 200",
            "city": "HARTFORD",
            "state": "CT",
            "postal_code": "061065501",
            "telephone_number": "860-246-6589",
            "fax_number": "860-560-2849"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ARMSTRONG",
        "first_name": "ALAN",
        "middle_name": "S.",
        "credential": "P.A.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-20",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CT",
            "license": "000304",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "OXFORD",
            "identifier": "A2516306",
            "state": "CT"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM BC/BS",
            "identifier": "290000304CT02",
            "state": "CT"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Hartford, CT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.