Individual provider Active NPI

Bradd G Hemker, M.D.

  • Pediatrics Physician
  • Grand Rapids, MI
National Provider Identifier
1366632408
Registry record updated Apr 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
4301101630 Issued in MI
Practice address
25 Michigan St NE Ste 2100
Grand Rapids, MI 49503-2526
Phone
(616) 391-8842
Fax
(616) 391-2978
NPI assigned
Jul 25, 2007
Last updated
Apr 3, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 3, 2026

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

Specialties & licenses 5

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 5153720 WI
Pediatrics Physician 208000000X 5153720 WI
Pediatrics Physician 208000000X 4301101630 MI Primary
Pediatric Hematology & Oncology Physician 2080P0207X 4301101630 MI
Pediatric Hospice and Palliative Medicine Physician 2080H0002X 5153720 WI

Addresses

Primary practice location

25 Michigan St NE Ste 2100
Grand Rapids, MI 49503-2526

Mailing address

100 Michigan St NE # Mc845
Grand Rapids, MI 49503-2560

Other identifiers 1

IdentifierTypeStateIssuer
1366632408MedicaidMI

Electronic endpoints 2

TypeEndpointUseAffiliation
FHIR URL https://epicarr02.spectrumhealth.org/EpicFHIR/api/FHIR/DSTU2/
Direct Messaging Address bhemker76141@epic00.shdirect.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MI
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

Enrollment IDStateProvider typePAC IDDetails
I20121106000248 MI Practitioner - Hematology/OncologyPractitioner - Pediatric Medicine 5799953865 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
5153720WIMDInternal Medicine Physician
4301101630MIMDPediatrics Physician

Interoperability endpoints

  • Direct secure messaging: bhemker76141@epic00.corewelldirect.org

Organizations & group practices 1

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

NPI Registry JSON

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

{
    "created_epoch": "1185321600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775174400000",
    "number": "1366632408",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 MICHIGAN ST NE # MC845",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032560"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "25 MICHIGAN ST NE STE 2100",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032526",
            "telephone_number": "616-391-8842",
            "fax_number": "616-391-2978"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HEMKER",
        "first_name": "BRADD",
        "middle_name": "G",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-07-25",
        "last_updated": "2026-04-03",
        "certification_date": "2026-04-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WI",
            "license": "5153720",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "WI",
            "license": "5153720",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MI",
            "license": "4301101630",
            "primary": true
        },
        {
            "code": "2080P0207X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Hematology-Oncology",
            "state": "MI",
            "license": "4301101630",
            "primary": false
        },
        {
            "code": "2080H0002X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Hospice and Palliative Medicine",
            "state": "WI",
            "license": "5153720",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1366632408",
            "state": "MI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicarr02.spectrumhealth.org/EpicFHIR/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "100 Michigan St NE",
            "address_2": "10th Floor",
            "city": "Grand Rapids",
            "state": "MI",
            "country_code": "US",
            "postal_code": "495032560",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "bhemker76141@epic00.shdirect.org",
            "affiliation": "N",
            "address_1": "100 Michigan St NE",
            "address_2": "10th Floor",
            "city": "Grand Rapids",
            "state": "MI",
            "country_code": "US",
            "postal_code": "495032560",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Grand Rapids, MI

Sources for this page

Verify at the official NPI Registry.