Individual provider Active NPI

Hillary Maxine Ottenbaker, FNP-C

  • Family Nurse Practitioner
  • Grand Rapids, MI
National Provider Identifier
1689281396
Registry record updated Aug 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
4704316318 Issued in MI
Practice address
2750 E Beltline Ave NE
Grand Rapids, MI 49525-8614
Phone
(616) 267-7104
NPI assigned
Sep 26, 2020
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 10, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 4704316318 MI Primary

Addresses

Primary practice location

2750 E Beltline Ave NE
Grand Rapids, MI 49525-8614

Mailing address

100 Michigan St NE # Mc845
Grand Rapids, MI 49503-2560
Phone (616) 486-6790

Electronic endpoints 2

TypeEndpointUseAffiliation
FHIR URL https://epicarr02.spectrumhealth.org/EpicFHIR/api/FHIR/DSTU2/
Direct Messaging Address hcolbry178108@epic00.shdirect.org

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
I20201125001897 MI Practitioner - Nurse Practitioner 4486065398 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Michigan State University College of Human Medicine, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

15100 Whittaker Way
Grand Haven, MI 49417-8696
Phone (616) 772-4644

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

State licenses

LicenseStateTypeSpecialty
4704316318MIMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Spectrum Health Primary Care Partners CurrentSince Jan 1, 2022 Accepting new patients
Spectrum Health Primary Care Partners CurrentSince Jan 1, 2022 Accepting new patients

Locations

15100 Whittaker Way
Grand Haven, MI 49417
Phone (616) 935-6200

2750 E Beltline Ave NE
Grand Rapids, MI 49525
Phone (616) 267-7015

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: hcolbry178108@epic00.shdirect.org
  • Direct secure messaging: hottenbaker178108@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 4

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": "1601078400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786320000000",
    "number": "1689281396",
    "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",
            "telephone_number": "616-486-6790"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2750 E BELTLINE AVE NE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495258614",
            "telephone_number": "616-267-7104"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OTTENBAKER",
        "first_name": "HILLARY",
        "middle_name": "MAXINE",
        "credential": "FNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-09-26",
        "last_updated": "2026-08-10",
        "certification_date": "2026-08-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MI",
            "license": "4704316318",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicarr02.spectrumhealth.org/EpicFHIR/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "15100 Whittaker Way",
            "city": "Grand Haven",
            "state": "MI",
            "country_code": "US",
            "postal_code": "494178696",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "hcolbry178108@epic00.shdirect.org",
            "affiliation": "N",
            "address_1": "15100 Whittaker Way",
            "city": "Grand Haven",
            "state": "MI",
            "country_code": "US",
            "postal_code": "494178696",
            "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.