Marissa Claire Niemeyer, MSN, AGPCNP-C
Gerontology Nurse Practitioner · Grand Rapids, MI
Marissa Claire Niemeyer, MSN, AGPCNP-C is a gerontology nurse practitioner with a practice address in Grand Rapids, Michigan, and NPI 1003485194, issued on Jun 22, 2021. Check the license (Michigan 4704330088, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marissa Claire Niemeyer
- Credential
- MSN, AGPCNP-C
- Primary taxonomy
- Gerontology Nurse Practitioner 363LG0600X
- License number
- 4704330088 MI
Self-reported in NPPES; status is on the state search - Practice location
- 145 Michigan St NE Ste 3410, Grand Rapids, MI 49503
- Phone
- (616) 391-9945
- Enumerated
- Jun 22, 2021
- Record last updated
- Jan 31, 2025
- Medicare enrollment
- Enrolled (PECOS I20221029000138); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gerontology nurse practitioner records → All 409 in Michigan → Look up another NPI →
Also registered at 145 Michigan St NE Ste 3410
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jonathan Abraham, M.D.Hospice and Palliative Medicine (Internal Medicine) Physician1679953848
- Dominic Abuya, FNP-BCFamily Nurse Practitioner1053984609
- Kayla Andres, MDHospice and Palliative Medicine (Internal Medicine) Physician1992155824
- Abigail Antonides, NPGerontology Nurse Practitioner1093596819
- Kiva Bauswell, A-GNPGerontology Nurse Practitioner1508531088
- Simin Beg, MDHospice and Palliative Medicine (Internal Medicine) Physician1003853987
Verify Marissa Claire Niemeyer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 4704330088Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average gerontology nurse practitioner in 2024
4,196 Medicare Part D claims for 171 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. 94 claims were for opioids.
Most prescribed
- Jardiance220 claims
- Atorvastatin Calcium212 claims
- Famotidine176 claims
- Januvia173 claims
- Eliquis132 claims
- Levothyroxine Sodium117 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $457.41
10 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 3,903 providers of this specialty with any payment received $742.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Spectrum Health Primary Care PartnersGrand Rapids, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marissa Claire Niemeyer among 409 gerontology nurse practitioner records in Michigan
Marissa Claire Niemeyer, MSN, AGPCNP-C is one of 409 gerontology nurse practitioner records with a practice address in Michigan. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 61% of them.
- NPI issued2021 · 61% of these records are older, 29% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2021 · median 2019 among the 269 with a school on file
- Record last updated2025 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gerontology Nurse Practitioner providers in Michigan
There are 409 gerontology nurse practitioner records in Michigan.
All 409 in Michigan → Every provider in Grand Rapids → Gerontology Nurse Practitioner nationwide →
The 8 gerontology nurse practitioner records with the nearest ZIP codes
- Lara Dengerink-Vantil, NPGrand Rapids, MI 495031679023501
- Laura Goodwin, AGPCNP-BCGrand Rapids, MI 495031063818326
- Sarah Grohowski, AGNPGrand Rapids, MI 495031225405822
- Emily Keen, NPGrand Rapids, MI 495031588064638
- Jane Kotarski, CNPGrand Rapids, MI 495031922046374
- Courtney Lane, CNPGrand Rapids, MI 495031720410400
- Jill Paauwe, N.P.Grand Rapids, MI 495031669544078
- Margaret Perec, NP-CGrand Rapids, MI 495031366899718
Common questions
What is Marissa Claire Niemeyer, MSN, AGPCNP-C's NPI number?
Marissa Claire Niemeyer, MSN, AGPCNP-C's National Provider Identifier (NPI) is 1003485194, issued on Jun 22, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Marissa Claire Niemeyer, MSN, AGPCNP-C located?
The NPPES record lists a practice address at 145 Michigan St NE Ste 3410, Grand Rapids, MI, 49503. Phone: (616) 391-9945. Providers update this record themselves, so call before visiting.
How can I verify Marissa Claire Niemeyer, MSN, AGPCNP-C's license?
NPPES lists Michigan license number 4704330088, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Marissa Claire Niemeyer, MSN, AGPCNP-C prescribe under Medicare Part D?
In 2024, Marissa Claire Niemeyer, MSN, AGPCNP-C had 4,196 Medicare Part D claims for 171 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.