Michael Harrison, MD

Primary specialty

Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X

License

4301056333 Issued in MI

Practice address

4100 Lake Dr SE
Suite 200
Grand Rapids, MI 49546-8292

Phone

(616) 267-8244

Fax

(616) 267-7272

NPI assigned

Jun 7, 2006

Sex

Male

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

Eligible to order & refer

• Part B services: No
• Medical equipment: Yes
• Home health: No
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Specialty

Pulmonary DiseaseAlso: Critical Care (Intensivists), Internal Medicine

Education

Wayne State University School of Medicine, 1990

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Interoperability endpoints

• Direct secure messaging: mharrison8017@epic00.corewelldirect.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Michigan Medical Patient Care

  • Durable Medical Equipment & Medical Supplies
  • Holland, MI
  • NPI 1871741652
  NPD (past)

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

{
    "created_epoch": "1149638400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769644800000",
    "number": "1528008554",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 MICHIGAN ST NE",
            "address_2": "MC 845",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032560",
            "telephone_number": "616-486-6790",
            "fax_number": "616-486-6702"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4100 LAKE DR SE",
            "address_2": "SUITE 200",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495468292",
            "telephone_number": "616-267-8244",
            "fax_number": "616-267-7272"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HARRISON",
        "first_name": "MICHAEL",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-07",
        "last_updated": "2026-01-29",
        "certification_date": "2026-01-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "MI",
            "license": "4301056333",
            "primary": true
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "MI",
            "license": "4301056333",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Dana Harrison
• David K Harrison, DC
• David Samuel Harrison
• Emily Harrison
• Jerrod Harrison, LAT, ATC
• Michael Debre' Harrison, M.D.
• Thomas Patrick Harrison, LPN
• Jenny Harrod
• Jordan Taylor Harroun
• Dana Harshbarger, PHARMD

• Critical Care Medicine (Internal Medicine) Physician in Grand Rapids, MI
• Providers in Grand Rapids, MI by specialty
• Critical Care Medicine (Internal Medicine) Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 29, 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.