Ann Maureen O'Connor, PA C

Primary specialty

Medical Physician AssistantTaxonomy code 363AM0700X

License

60020 Issued in MT

Practice address

401 Railroad St W
Missoula, MT 59802-4109

Phone

(406) 258-4789

Fax

(406) 258-4732

NPI assigned

Mar 30, 2006

Last updated

Apr 16, 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 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

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.

• University of Wisconsin Medical Foundation, Inc

  • Health Educator
  • Madison, WI
  • NPI 1487414082
  NPD
• University of Wisconsin Medical Foundation, Inc

  • Multi-Specialty Clinic/Center
  • Middleton, WI
  • NPI 1598784555
  NPD

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

{
    "created_epoch": "1143676800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776297600000",
    "number": "1033170964",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "401 RAILROAD ST W",
            "city": "MISSOULA",
            "state": "MT",
            "postal_code": "598024178",
            "telephone_number": "406-258-4789"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "401 RAILROAD ST W",
            "city": "MISSOULA",
            "state": "MT",
            "postal_code": "598024109",
            "telephone_number": "406-258-4789",
            "fax_number": "406-258-4732"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'CONNOR",
        "first_name": "ANN",
        "middle_name": "MAUREEN",
        "credential": "PA C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-03-30",
        "last_updated": "2026-04-16",
        "certification_date": "2026-04-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "MT",
            "license": "60020",
            "primary": true
        },
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "WI",
            "license": "1021",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• O Therapy Services, LLC
• David Miles O'Briant, M.D.
• Patrick Joshua O'Brien, MD
• Tara O'Brien, MD
• Mary Michelle O'Connell, PT
• Theresa O'Keefe, MS, MSW
• Oak Creek Canyon Psychotherapy PLLC
• Luke Obenrader, AUD
• Karen Margaret Oberg, OTR/L
• Ann Oberlander

• Medical Physician Assistant in Missoula, MT
• Providers in Missoula, MT by specialty
• Medical Physician Assistant in Montana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 16, 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.