Individual provider Active NPI

Chad Howard Hohnstein, PA-C

  • Physician Assistant
  • Grand Rapids, MI
National Provider Identifier
1689813743
Registry record updated May 19, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
5601005468 Issued in MI
Practice address
221 Michigan St NE Ste 400
Grand Rapids, MI 49503-2538
Phone
(616) 486-9600
NPI assigned
Feb 13, 2009
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 19, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 5601005468 MI Primary

Addresses

Primary practice location

221 Michigan St NE Ste 400
Grand Rapids, MI 49503-2538

Mailing address

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

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address chohnsteinpac8105@epic00.shdirect.org
FHIR URL https://epicarr02.spectrumhealth.org/EpicFHIR/api/FHIR/DSTU2/

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20090306000080 MI Practitioner - Physician Assistant 5395801906 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2004
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Spectrum Health Primary Care PartnersGroup PAC ID 4587568647, 2,283 clinicians

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

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

Hospital & facility affiliations

  • Spectrum Health Hospital, Grand Rapids, MI, CCN 230038

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
5601005468MIMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Spectrum Health Primary Care Partners CurrentSince Jan 1, 2011 Accepting new patients
Spectrum Health Primary Care Partners Current Accepting new patients
Spectrum Health Primary Care Partners CurrentSince Jan 1, 2011 Accepting new patients
Michigan Medical Patient Care Past Accepting new patients
Michigan Medical Patient Care Past Accepting new patients

Locations

230 W Oak St
Fremont, MI 49412
Phone (231) 924-1305

1300 Michigan St NE
Ste 103
Grand Rapids, MI 49503
Phone (616) 459-8338

25 Michigan St NE
Ste 6100
Grand Rapids, MI 49503
Phone (616) 267-7900

35 Michigan St NE
Ste 3003
Grand Rapids, MI 49503
Phone (616) 267-2200

221 Michigan St NE
Ste 400
Grand Rapids, MI 49503
Phone (616) 486-9600

4100 Lake Dr SE
Ste 202
Grand Rapids, MI 49546
Phone (616) 974-4400

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

4085 Burton St SE
Ste 200
Grand Rapids, MI 49546

221 Michigan St NE
Ste 300
Grand Rapids, MI 49503
Phone (616) 459-7258

2249 Wealthy St SE
Ste 110
Grand Rapids, MI 49506
Phone (616) 391-4600

275 Michigan St NE
Grand Rapids, MI 49503
Phone (616) 267-7900

615 S Bower St
Greenville, MI 48838
Phone (616) 754-4341

705 S Greenville West Dr
Ste 202
Greenville, MI 48838
Phone (616) 267-9823

588 E Lakewood Blvd
Fl 1
Holland, MI 49424
Phone (616) 494-5800

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

225 N State St
Reed City, MI 49677
Phone (231) 832-7108

Interoperability endpoints

  • Direct secure messaging: chohnstein8105@epic00.corewelldirect.org

Organizations & group practices 5

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": "1234483200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747612800000",
    "number": "1689813743",
    "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": "221 MICHIGAN ST NE STE 400",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032538",
            "telephone_number": "616-486-9600"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOHNSTEIN",
        "first_name": "CHAD",
        "middle_name": "HOWARD",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-02-13",
        "last_updated": "2025-05-19",
        "certification_date": "2025-05-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MI",
            "license": "5601005468",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "chohnsteinpac8105@epic00.shdirect.org",
            "affiliation": "N",
            "address_1": "25 Michigan St NE Ste 6100",
            "city": "Grand Rapids",
            "state": "MI",
            "country_code": "US",
            "postal_code": "495032561",
            "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": "25 Michigan St NE Ste 6100",
            "city": "Grand Rapids",
            "state": "MI",
            "country_code": "US",
            "postal_code": "495032561",
            "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.