Mary Ann O'Beirne, PA

Primary specialty

Medical Physician AssistantTaxonomy code 363AM0700X

License

055-0030498 Issued in VT

Practice address

21 Belmont Ave
Brattleboro, VT 05301-7110

Phone

(802) 258-3905

Fax

(802) 258-4903

NPI assigned

Apr 18, 2006

Last updated

Jul 13, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

Practice roles

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.

• Primary Care Health Partners - Vermont LLP

  • Family Medicine Physician
  • Williston, VT
  • NPI 1285687616
  NPD (past)
• Primary Care Health Partners - New York LLP

  • Family Medicine Physician
  • Plattsburgh, NY
  • NPI 1003861782
  NPD (past)

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

{
    "created_epoch": "1145318400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1356306963",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "600 BLAIR PARK RD",
            "address_2": "SUITE 190",
            "city": "WILLISTON",
            "state": "VT",
            "postal_code": "054957586",
            "telephone_number": "802-860-1145",
            "fax_number": "802-872-0282"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "21 BELMONT AVE",
            "city": "BRATTLEBORO",
            "state": "VT",
            "postal_code": "053017110",
            "telephone_number": "802-258-3905",
            "fax_number": "802-258-4903"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'BEIRNE",
        "first_name": "MARY",
        "middle_name": "ANN",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-04-18",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "VT",
            "license": "055-0030498",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "OVNP1782",
            "state": "VT"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Lisa L Nicholson, LICSW
• Robert E Nield, MSW LCSW LICSW
• Sarah Daoust Nohl, PH.D.
• Hannah Cressy North, CNM
• Leah Nussbaum, RN, IBCLC
• Crystal O'Brien, MAE
• Holly Rachel O'Brien
• Micah Adare Oconnor, LCMHC
• Luis Oles
• Kayla Oliver, MA

• Medical Physician Assistant in Brattleboro, VT
• Providers in Brattleboro, VT by specialty
• Medical Physician Assistant in Vermont

• 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.