Mary K O'Callaghan DO PC

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

009391 Issued in MI

Legal business name

MARY K O'CALLAGHAN DO PC

Practice address

922 Lawndale St
Ludington, MI 49431-1928

Phone

(231) 845-7380

NPI assigned

Jul 10, 2007

Organization subpart

No

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

Authorized official

Name

Dr. Mary Keating O'Callaghan, D.O.

Title

Physician

Phone

(231) 845-7380

Specialties & licenses 1

Addresses

Other identifiers 4

Locations

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

{
    "created_epoch": "1184025600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1678147200000",
    "number": "1467650614",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "922 LAWNDALE ST",
            "city": "LUDINGTON",
            "state": "MI",
            "postal_code": "494311928",
            "telephone_number": "231-845-7380"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "922 LAWNDALE ST",
            "city": "LUDINGTON",
            "state": "MI",
            "postal_code": "494311928",
            "telephone_number": "231-845-7380"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MARY K O'CALLAGHAN DO PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-07-10",
        "last_updated": "2023-03-07",
        "status": "A",
        "authorized_official_last_name": "O'CALLAGHAN",
        "authorized_official_first_name": "MARY",
        "authorized_official_middle_name": "KEATING",
        "authorized_official_title_or_position": "PHYSICIAN",
        "authorized_official_telephone_number": "231-845-7380",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "D.O."
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "009391",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS #",
            "identifier": "5530004",
            "state": "MI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE RR GROUP",
            "identifier": "DG2738",
            "state": "MI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2736118",
            "state": "MI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BC GROUP",
            "identifier": "1155300045",
            "state": "MI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Keith Marcus, MD
• Margaret E Gustafson MD PC
• Alma Lynne Martin, PH.D.
• Jason Richard Martin, D.D.S.
• Rachel A Martz, CHW
• Alan L Mast, DPM
• Matthew D Smekar LPC LLC
• Jennifer Lyn May, FNP
• Darlene McCastle, RN
• Kylie McClellan

• Internal Medicine Physician in Ludington, MI
• Providers in Ludington, MI by specialty
• Internal Medicine Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 7, 2023; 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.