Michael Garrett Hermsen, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

85006-20 Issued in WI

Practice address

7102 Mineral Point Rd
Madison, WI 53717-1706

Phone

(608) 828-7676

NPI assigned

Apr 6, 2023

Last updated

May 11, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in WI

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Internal Medicine

Education

University of Chicago, Pritzker School of Medicine, 2023

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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

{
    "created_epoch": "1680739200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778457600000",
    "number": "1518652593",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7974 UW HEALTH CT",
            "city": "MIDDLETON",
            "state": "WI",
            "postal_code": "535625531"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7102 MINERAL POINT RD",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537171706",
            "telephone_number": "608-828-7676"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HERMSEN",
        "first_name": "MICHAEL",
        "middle_name": "GARRETT",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-04-06",
        "last_updated": "2026-05-11",
        "certification_date": "2026-05-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WI",
            "license": "85006-20",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sarah T Hermsdorf, PA-C
• Claire Noelle Hermsen, MD
• Joan C Hermsen, APNP
• Joshua L Hermsen, M.D.
• Kurt Hermsen, CSAC
• Sara T Hermsen, PA-C
• Russell J Hermus, MD
• Pedro R Hernandez Acosta, MD
• Armando Hernandez Morales, PHD
• Jamie Loren Hernandez Perry

• Internal Medicine Physician in Madison, WI
• Providers in Madison, WI by specialty
• Internal Medicine Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 11, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.