NPPES file of Aug 9, 2026

Sarah Grohowski, AGNP

Gerontology Nurse Practitioner · Grand Rapids, MI

Sarah Grohowski, AGNP is a gerontology nurse practitioner with a practice address in Grand Rapids, Michigan, and NPI 1225405822, issued on Aug 31, 2015. Check the license (Michigan 4704276779, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225405822
Name
Sarah Grohowski
Credential
AGNP
Primary taxonomy
Gerontology Nurse Practitioner 363LG0600X
License number
4704276779 MI
Self-reported in NPPES; status is on the state search
Practice location
145 Michigan St NE, Grand Rapids, MI 49503
Phone
(616) 391-9945
Enumerated
Aug 31, 2015
Record last updated
Mar 4, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 145 Michigan St NE

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Syed Muneer Abidi, MDHematology (Internal Medicine) Physician1922045525
  2. Amy Amash, M.S., C.G.C.Genetic Counselor (M.S.)1629001268
  3. Murwarid Assifi, MDSurgical Oncology Physician1548416563
  4. Lisa Berger, P.A.Physician Assistant1497729172
  5. Jamie Bray, PA-CMedical Physician Assistant1609964691
  6. Kristin Brown, CNSOncology Registered Nurse1033923149

Verify Sarah Grohowski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 4704276779
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Michigan license search

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99% fewer Medicare Part D claims than the average gerontology nurse practitioner in 2024

19 Medicare Part D claims, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Sarah Grohowski19
  2. Specialty average1,369

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.

The MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score87.5
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $179.28

2 payments; by number, the most common kind was education; the largest payer was Boehringer Ingelheim Pharmaceuticals, 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.

  1. Sarah Grohowski$179.28
  2. Specialty average$742.05

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Sarah Grohowski among 409 gerontology nurse practitioner records in Michigan

Sarah Grohowski, AGNP 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 2015, is newer than 18% of them.

  • NPI issued2015 · 18% of these records are older, 74% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2021 · 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.

The 8 gerontology nurse practitioner records with the nearest ZIP codes

  1. Lara Dengerink-Vantil, NPGrand Rapids, MI 495031679023501
  2. Laura Goodwin, AGPCNP-BCGrand Rapids, MI 495031063818326
  3. Emily Keen, NPGrand Rapids, MI 495031588064638
  4. Jane Kotarski, CNPGrand Rapids, MI 495031922046374
  5. Courtney Lane, CNPGrand Rapids, MI 495031720410400
  6. Jill Paauwe, N.P.Grand Rapids, MI 495031669544078
  7. Margaret Perec, NP-CGrand Rapids, MI 495031366899718
  8. Sarah Rich, NPGrand Rapids, MI 495031346644861

Common questions

What is Sarah Grohowski, AGNP's NPI number?

Sarah Grohowski, AGNP's National Provider Identifier (NPI) is 1225405822, issued on Aug 31, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Grohowski, AGNP located?

The NPPES record lists a practice address at 145 Michigan St NE, Grand Rapids, MI, 49503. Phone: (616) 391-9945. Providers update this record themselves, so call before visiting.

How can I verify Sarah Grohowski, AGNP's license?

NPPES lists Michigan license number 4704276779, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Sarah Grohowski, AGNP prescribe under Medicare Part D?

In 2024, Sarah Grohowski, AGNP had 19 Medicare Part D claims; the average among gerontology nurse practitioner prescribers was 1,369. Part D covers Medicare prescriptions only.

What is Sarah Grohowski, AGNP's MIPS final score?

The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.