Individual provider Active NPI

John P Giroux

  • Gerontology Nurse Practitioner
  • Fremont, MI
National Provider Identifier
1871304477
Registry record updated Sep 8, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gerontology Nurse PractitionerTaxonomy code 363LG0600X
License
4704302500 Issued in MI
Practice address
212 S Sullivan Ave
Fremont, MI 49412-1548
Phone
(616) 391-3139
NPI assigned
Jan 14, 2025
Last updated
Sep 8, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 8, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gerontology Nurse Practitioner 363LG0600X 4704302500 MI Primary

Addresses

Primary practice location

212 S Sullivan Ave
Fremont, MI 49412-1548

Mailing address

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

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
I20250818002089 MI Practitioner - Nurse Practitioner 6305345257 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

212 S Sullivan Ave
Corewell Health Medical Group West
Fremont, MI 49412-1548
Phone (616) 391-3139

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
Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Spectrum Health Primary Care Partners Current Accepting new patients
Spectrum Health Primary Care Partners CurrentSince Sep 1, 2025 Accepting new patients
Spectrum Health Primary Care Partners CurrentSince Sep 1, 2025 Accepting new patients

Locations

212 S Sullivan Ave
Fremont, MI 49412
Phone (231) 924-1212

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

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

Interoperability endpoints

  • Direct secure messaging: jgiroux179643@epic00.corewelldirect.org

Organizations & group practices 3

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.

Hospital & facility affiliations 1

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": "1736812800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757289600000",
    "number": "1871304477",
    "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": "212 S SULLIVAN AVE",
            "city": "FREMONT",
            "state": "MI",
            "postal_code": "494121548",
            "telephone_number": "616-391-3139"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GIROUX",
        "first_name": "JOHN",
        "middle_name": "P",
        "name_prefix": "Mr.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-01-14",
        "last_updated": "2025-09-08",
        "certification_date": "2025-09-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LG0600X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "MI",
            "license": "4704302500",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fremont, MI

Sources for this page

Verify at the official NPI Registry.