Grant Robert Whitmer, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

036172718 Issued in IL

Practice address

251 E Huron St
Chicago, IL 60611-2908

Phone

(312) 503-7975

NPI assigned

Sep 12, 2018

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

Enrolled in IL, NC2 enrollments

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 2

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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

{
    "created_epoch": "1536710400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1738195200000",
    "number": "1225511678",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "240 E HURON ST STE 1-200",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112909",
            "telephone_number": "312-503-7975"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "251 E HURON ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112908",
            "telephone_number": "312-503-7975"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WHITMER",
        "first_name": "GRANT",
        "middle_name": "ROBERT",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-09-12",
        "last_updated": "2025-01-30",
        "certification_date": "2025-01-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036172718",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joy S. Whitman, PH.D.
• Karen Hazel Whitman, APN
• Stephanie Whitman, LMFT
• Victoria Whitman
• Meghan Aileen Whitmarsh-Brown, M.D.
• Laura Whitmore
• Stephen Whitmore, MD
• Audrey Shae Whitnah
• Jessica Whitney-Johnson
• Elena Whitney

• Internal Medicine Physician in Chicago, IL
• Providers in Chicago, IL by specialty
• Internal Medicine Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 30, 2025; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.