Individual provider Active NPI

Will Sihang Kurtz, MD

  • Anesthesiology Physician
  • Grand Rapids, MI
National Provider Identifier
1982085361
Registry record updated Oct 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
4301502602 Issued in MI
Practice address
100 Michigan St NE
Grand Rapids, MI 49503-2560
Phone
(616) 391-1510
NPI assigned
Jun 11, 2015
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 3, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 4301502602 MI Primary

Addresses

Primary practice location

100 Michigan St NE
Grand Rapids, MI 49503-2560

Mailing address

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

Electronic endpoints 2

TypeEndpointUseAffiliation
FHIR URL https://epicarr02.spectrumhealth.org/EpicFHIR/api/FHIR/R4/
Direct Messaging Address wkurtz266227@epic00.corewelldirect.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MI, IA2 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

Enrollment IDStateProvider typePAC IDDetails
I20200731001661 MI Practitioner - Anesthesiology 9436482452 Reassigns benefits to 1 organization
I20251009000777 IA Practitioner - Anesthesiology 9436482452 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
University of Michigan Medical School, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

100 Michigan Ave NE
Grand Rapids, MI 49503-2560

100 Michigan St NE RM
280 Corewell Health Medical Group West
Grand Rapids, MI 49503-2560
Phone (616) 267-0115

1840 Wealthy St SE
Corewell Health Medical Group West
Grand Rapids, MI 49506-2921
Phone (616) 885-5000

2720 Stone Park Blvd
Sioux City, IA 51104-3734
Phone (712) 279-3500

4444 Kalamazoo Ave SE
200 Corewell Health Medical Group West
Kentwood, MI 49508-4600
Phone (616) 391-5600

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
4301502602MIMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Spectrum Health Primary Care Partners Anesthesiology CurrentSince Oct 6, 2025 Accepting new patients
St Luke'S Methodist Hospital Current Accepting new patients
Spectrum Health Primary Care Partners Current Accepting new patients
Northwest Iowa Hospital Corporation CurrentSince Sep 1, 2025 Accepting new patients

Locations

801 5th St
Sioux City, IA 51101
Phone (712) 279-2010

2720 Stone Park Blvd
Sioux City, IA 51104
Phone (712) 259-3000

100 Michigan St NE
#845
Grand Rapids, MI 49503
Phone (616) 391-8242

100 Michigan St NE
Grand Rapids, MI 49503
Phone (616) 391-1680

80 68th St SE
Kentwood, MI 49548
Phone (616) 391-8220

4444 Kalamazoo Ave SE
Ste 200
Kentwood, MI 49508
Phone (616) 391-5600

5900 Byron Center Ave SW
Wyoming, MI 49519
Phone (616) 252-3243

Interoperability endpoints

  • Direct secure messaging: wkurtz1216681@direct.unitypoint.org

Organizations & group practices 4

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.

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1433980800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759449600000",
    "number": "1982085361",
    "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",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032560",
            "telephone_number": "616-391-1510"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KURTZ",
        "first_name": "WILL",
        "middle_name": "SIHANG",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-06-11",
        "last_updated": "2025-10-03",
        "certification_date": "2025-10-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MI",
            "license": "4301502602",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicarr02.spectrumhealth.org/EpicFHIR/api/FHIR/R4/",
            "affiliation": "N",
            "address_1": "100 Michigan St NE",
            "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": "wkurtz266227@epic00.corewelldirect.org",
            "affiliation": "N",
            "address_1": "100 Michigan St NE",
            "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.