Individual provider Active NPI

Amy Marie Olinzock, NP

  • Nurse Practitioner
  • Grand Rapids, MI
National Provider Identifier
1922573369
Registry record updated Sep 1, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
4704297334 Issued in MI
Practice address
275 Michigan St NE
Grand Rapids, MI 49503-2531
Phone
(616) 267-7900
NPI assigned
Oct 12, 2018
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 1, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 4704297334 MI Primary

Addresses

Primary practice location

275 Michigan St NE
Grand Rapids, MI 49503-2531

Mailing address

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

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address aolinzock156417@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
I20181113000796 MI Practitioner - Nurse Practitioner 5294089108 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
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
Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Spectrum Health Primary Care Partners CurrentSince Dec 16, 2018 Accepting new patients
Spectrum Health Primary Care Partners CurrentSince Dec 16, 2018 Accepting new patients

Locations

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

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: aolinzock156417@epic00.shdirect.org
  • Direct secure messaging: aolinzock156417@epic00.corewelldirect.org

Organizations & group practices 2

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": "1539302400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788220800000",
    "number": "1922573369",
    "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": "275 MICHIGAN ST NE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032531",
            "telephone_number": "616-267-7900"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OLINZOCK",
        "first_name": "AMY",
        "middle_name": "MARIE",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-10-12",
        "last_updated": "2026-09-01",
        "certification_date": "2026-09-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MI",
            "license": "4704297334",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "aolinzock156417@epic00.shdirect.org",
            "affiliation": "N",
            "address_1": "221 Michigan St NE Ste 400",
            "city": "Grand Rapids",
            "state": "MI",
            "country_code": "US",
            "postal_code": "495032543",
            "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": "221 Michigan St NE Ste 400",
            "city": "Grand Rapids",
            "state": "MI",
            "country_code": "US",
            "postal_code": "495032543",
            "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.