Addie Loftus-Olgac, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

4301517824 Issued in MI

Practice address

200 Jefferson Ave SE
Grand Rapids, MI 49503-4502

Phone

(616) 685-5000

NPI assigned

Mar 20, 2023

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)

Not enrolled

Credentials

Doctor of Medicine

State licenses

Interoperability endpoints

• Direct secure messaging: aloftusolgac4248197@direct.trinity-health.org

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

{
    "created_epoch": "1679270400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782518400000",
    "number": "1033811591",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 JEFFERSON AVE SE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495034502",
            "telephone_number": "616-685-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 JEFFERSON AVE SE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495034502",
            "telephone_number": "616-685-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LOFTUS-OLGAC",
        "first_name": "ADDIE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-03-20",
        "last_updated": "2026-06-27",
        "certification_date": "2026-06-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MI",
            "license": "4301517824",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "MI",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Elsa Lockman, L.M.S.W.
• Kurt Michael Lockman, DPT
• James Lockwood, D.D.S.
• Kyra Lockwood
• Virginia G Lodge, MSW
• Diane M Loftus
• Denice Marie Logan, DO
• Kristen Logan, CRNA
• Nicole R Logie
• Paul Loh, PA-C

• Family Medicine Physician in Grand Rapids, MI
• Providers in Grand Rapids, MI by specialty
• Family Medicine Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 27, 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.