Jacob Michael Hamaker, DO

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

8214221 Issued in WI

Practice address

3076 Armory Dr
Indianapolis, IN 46208-5080

Phone

(815) 520-7470

NPI assigned

Apr 4, 2023

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in IN

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.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

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

{
    "created_epoch": "1680566400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788307200000",
    "number": "1194420422",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3076 ARMORY DR",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462085080",
            "telephone_number": "815-520-7470"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3076 ARMORY DR",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462085080",
            "telephone_number": "815-520-7470"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5605 E Rockton Rd",
            "address_purpose": "LOCATION",
            "city": "Roscoe",
            "state": "IL",
            "postal_code": "610737641",
            "country_code": "US",
            "telephone_number": "815-525-4500",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1905 E Huebbe Pkwy",
            "address_purpose": "LOCATION",
            "city": "Beloit",
            "state": "WI",
            "postal_code": "535111842",
            "country_code": "US",
            "telephone_number": "608-364-5011",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HAMAKER",
        "first_name": "JACOB",
        "middle_name": "MICHAEL",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-04-04",
        "last_updated": "2026-09-02",
        "certification_date": "2026-09-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IL",
            "license": "336133147",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WI",
            "license": "8214221",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "IN",
            "license": "11023127A",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE",
            "identifier": "11023127A",
            "state": "IN"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Isaac Henry Halvorson
• Betsy Faye Halwes, MS, ATC, LAT
• Zachary Ham, MD
• Judy Hamad, MD
• Nour Hamade, M.D.
• James B Hamaker, MD
• Ronda Alazan Hamaker, MD
• Andrea Elaine Hamann, PHARMD
• Aline Hamati, MD
• Denise Diane Hamblen, LCSW

• Family Medicine Physician in Indianapolis, IN
• Providers in Indianapolis, IN by specialty
• Family Medicine Physician in Indiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 2, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.