Kim M Winterhalter, MD

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

4301061605 Issued in MI

Practice address

100 Michigan St NE
MC 845
Grand Rapids, MI 49503-2560

Phone

(616) 267-0118

Fax

(616) 267-0090

NPI assigned

Feb 2, 2006

Last updated

Jun 30, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Other names 1

• Kim M Rzeszutko Former name

Electronic endpoints 2

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kwinterhalter6072@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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Spectrum Health Primary Care Partners

  dba Corewell Health Medical Group West

  • Internal Medicine Physician
  • Grand Rapids, MI
  • NPI 1235188673

  Pediatric Critical Care Medicine

  Medicare reassignment NPD
• Spectrum Health Primary Care Partners

  dba Corewell Health Medical Group West Adult Diabetes Education

  • Registered Dietitian
  • Grand Rapids, MI
  • NPI 1043655780
  NPD
• Spectrum Health Primary Care Partners

  dba Corewell Health Medical Group West

  • Internal Medicine Physician
  • Grand Rapids, MI
  • NPI 1689499667

  Anesthesiology

  NPD

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

{
    "created_epoch": "1138838400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782777600000",
    "number": "1730151952",
    "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"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 MICHIGAN ST NE",
            "address_2": "MC 845",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032560",
            "telephone_number": "616-267-0118",
            "fax_number": "616-267-0090"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WINTERHALTER",
        "first_name": "KIM",
        "middle_name": "M",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-02-02",
        "last_updated": "2026-06-30",
        "certification_date": "2026-06-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MI",
            "license": "4301061605",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MI",
            "license": "4301061605",
            "primary": true
        },
        {
            "code": "2080P0203X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Critical Care Medicine",
            "state": "MI",
            "license": "4301061605",
            "primary": false
        },
        {
            "code": "207LC0200X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Critical Care Medicine",
            "state": "MI",
            "license": "4301061605",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "kwinterhalter6072@epic00.shdirect.org",
            "affiliation": "N",
            "address_1": "100 Michigan St NE",
            "address_2": "MC 845",
            "city": "Grand Rapids",
            "state": "MI",
            "country_code": "US",
            "postal_code": "495032560",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicarr02.spectrumhealth.org/EpicFHIR/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "100 Michigan St NE",
            "address_2": "MC 845",
            "city": "Grand Rapids",
            "state": "MI",
            "country_code": "US",
            "postal_code": "495032560",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "KIM",
            "last_name": "RZESZUTKO",
            "middle_name": "M",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Scott Winsor, MD
• Sarah May Winston Bush, M.D.
• Lauren Winston
• Stephen Lee Winston, MD
• Phylisia Winter
• Abriana Lasha Winters
• Cheryl J Winters, PHD
• Gretchen Winters, RPH
• Jenny Winters
• John W Winters, MD

• Pediatrics Physician in Grand Rapids, MI
• Providers in Grand Rapids, MI by specialty
• Pediatrics Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 30, 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.