Marissa Claire Niemeyer, MSN, AGPCNP-C

Primary specialty

Gerontology Nurse PractitionerTaxonomy code 363LG0600X

License

4704330088 Issued in MI

Practice address

145 Michigan St NE Ste 3410
Grand Rapids, MI 49503-2563

Phone

(616) 391-9945

NPI assigned

Jun 22, 2021

Last updated

Jan 31, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Electronic endpoints 2

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

Specialty

Nurse Practitioner

Education

Other, 2021

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)

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science - Nursing, Nurse Practitioner

State licenses

Practice roles

Locations

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.

• Spectrum Health Primary Care Partners

  dba Corewell Health Medical Group West

  • Internal Medicine Physician
  • Grand Rapids, MI
  • NPI 1235188673
  Medicare reassignment Care Compare group NPD
• Theoria Medical

  • Internal Medicine Physician
  • Novi, MI
  • NPI 1609362375
  Medicare reassignment NPD
• Spectrum Health Primary Care Partners

  dba Corewell Health Medical Group West

  • Internal Medicine Physician
  • Grand Rapids, MI
  • NPI 1689499667
  NPD
• Wellbridge of Clarkston, LLC

  • Skilled Nursing Facility
  • Independence Township, MI
  • NPI 1669965299
  NPD (past)
• Quality Healthcare Family Medicine PLLC

  • Family Medicine Physician
  • Laredo, TX
  • NPI 1194359877
  NPD (past)

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

{
    "created_epoch": "1624320000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1738281600000",
    "number": "1003485194",
    "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": "145 MICHIGAN ST NE STE 3410",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032563",
            "telephone_number": "616-391-9945"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NIEMEYER",
        "first_name": "MARISSA",
        "middle_name": "CLAIRE",
        "name_prefix": "Ms.",
        "credential": "MSN, AGPCNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-06-22",
        "last_updated": "2025-01-31",
        "certification_date": "2025-01-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LG0600X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "MI",
            "license": "4704330088",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mcorder178225@epic00.shdirect.org",
            "affiliation": "N",
            "address_1": "145 Michigan St NE Ste 3410",
            "city": "Grand Rapids",
            "state": "MI",
            "country_code": "US",
            "postal_code": "495032563",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicarr02.spectrumhealth.org/EpicFHIR/api/FHIR/R4/",
            "affiliation": "N",
            "address_1": "145 Michigan St NE Ste 3410",
            "city": "Grand Rapids",
            "state": "MI",
            "country_code": "US",
            "postal_code": "495032563",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Elizabeth Maitner Nielsen, LMSW
• Michele A Nielsen, MA, LLP, LLPC
• Nancy Norma Nielsen I
• Rebecca Jo Nielsen, NP
• Kristine Marie Niemeyer, MSN, NP
• Amanda Lynn Nienhaus, PA
• Megan Elizabeth Niergarth, PA-C
• Stacey Niesen
• Morgan Louise Nieto
• Catherine Ann Nietupski, M.S.W.

• Gerontology Nurse Practitioner in Grand Rapids, MI
• Providers in Grand Rapids, MI by specialty
• Gerontology Nurse Practitioner in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 31, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.