Mary Jozwiak, MD

Primary specialty

Physical Medicine & Rehabilitation PhysicianTaxonomy code 208100000X

License

MT8391 Issued in MT

Practice address

2900 12TH Avenue North
Suite 4E
Billings, MT 59101-0162

Phone

(406) 237-5554

Fax

(406) 245-2345

NPI assigned

Nov 3, 2006

Last updated

Sep 11, 2025By 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

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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.

• Mary Jozwiak MD PC

  • Internal Medicine Physician
  • Billings, MT
  • NPI 1467641266
  Authorized official Same address or phone
• Frances Mahon Deaconess Hospital

  • Critical Access Hospital
  • Glasgow, MT
  • NPI 1689685323
  NPD (past)

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

{
    "created_epoch": "1162512000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1922187749",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2900 12TH AVENUE NORTH",
            "address_2": "SUITE 4E",
            "city": "BILLINGS",
            "state": "MT",
            "postal_code": "591010162",
            "telephone_number": "406-237-5554",
            "fax_number": "406-245-2345"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2900 12TH AVENUE NORTH",
            "address_2": "SUITE 4E",
            "city": "BILLINGS",
            "state": "MT",
            "postal_code": "591010162",
            "telephone_number": "406-237-5554",
            "fax_number": "406-245-2345"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOZWIAK",
        "first_name": "MARY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-11-03",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MT",
            "license": "MT8391",
            "primary": false
        },
        {
            "code": "208100000X",
            "taxonomy_group": "",
            "desc": "Physical Medicine & Rehabilitation",
            "state": "MT",
            "license": "MT8391",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0083470",
            "state": "MT"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Sheila L. Jorgenson, RPH
• Joseph Yeretsian, PC (OptiMindHealth)
• Journey to Healing Psychotherapy and Consulting
• Journey to Healing, PLLC
• Kale Edwin Joyce, LICENSED ADDICTION C
• Ronnie Jeanne Judge, RN
• Erin Elizabeth Juedeman, RPH
• Donna Juhl, LCPC
• Julia Chandler Holistic Wellness LLC
• Mikel Julian, DPT

• Physical Medicine & Rehabilitation Physician in Billings, MT
• Providers in Billings, MT by specialty
• Physical Medicine & Rehabilitation Physician in Montana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.