NPPES file of Aug 9, 2026

Nicholas Matthew Winiarski, PA-C

Medical Physician Assistant · Grand Rapids, MI

Nicholas Matthew Winiarski, PA-C is a medical physician assistant with a practice address in Grand Rapids, Michigan, and NPI 1770145542, issued on Jul 2, 2019. Check the license 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
1770145542
Name
Nicholas Matthew Winiarski
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
Practice location
4100 Embassy Dr SE, Grand Rapids, MI 49546
Phone
(616) 957-7706
Enumerated
Jul 2, 2019
Record last updated
Jul 2, 2019 (not updated in 7 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 4100 Embassy Dr SE

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

  1. Jonathan Corley, PA-CPhysician Assistant1356696280
  2. Kristin Gustaf, PAMedical Physician Assistant1740994466
  3. Jennifer Newton, PA-CPhysician Assistant1295018125
  4. Andreas Roiniotis, M.D.Emergency Medicine Physician1851731715
  5. Matthew Singh, M.D.Emergency Medicine Physician1942649462

Verify Nicholas Matthew Winiarski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this professionCheck 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
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89% fewer Medicare Part D claims than the average medical physician assistant in 2024

124 Medicare Part D claims for 90 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 12 claims were for opioids.

  1. Nicholas Winiarski124
  2. Specialty average1,148

Most prescribed

  1. Cefuroxime13 claims
  2. Prednisone12 claims
  3. Methocarbamol11 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 96.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score87.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

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

Nicholas Matthew Winiarski among 1,140 medical physician assistant records in Michigan

Nicholas Matthew Winiarski, PA-C is one of 1,140 medical physician assistant records with a practice address in Michigan. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 78% of them.

  • NPI issued2019 · 78% of these records are older, 19% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 54% of these records are
  • Record last updated2019 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in Michigan

There are 1,140 medical physician assistant records in Michigan.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Jeffrey Anderson, PA-CGrand Rapids, MI 495461326371212
  2. Brittany Babiak, PA-CGrand Rapids, MI 495461568864353
  3. Kelsey Crawford, MPAS, PA-CGrand Rapids, MI 495461740799295
  4. Stephanie Cunningham, PA-CGrand Rapids, MI 495461659623593
  5. John Kearney, PACGrand Rapids, MI 495461518016930
  6. Christopher Laflure, PA-CGrand Rapids, MI 495461518070663
  7. Nisha McKenzie, PA-CGrand Rapids, MI 495461770578676
  8. Kelly Mikail, PA-CGrand Rapids, MI 495461497075766

Common questions

What is Nicholas Matthew Winiarski, PA-C's NPI number?

Nicholas Matthew Winiarski, PA-C's National Provider Identifier (NPI) is 1770145542, issued on Jul 2, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Nicholas Matthew Winiarski, PA-C located?

The NPPES record lists a practice address at 4100 Embassy Dr SE, Grand Rapids, MI, 49546. Phone: (616) 957-7706. Providers update this record themselves, so call before visiting.

How can I verify Nicholas Matthew Winiarski, PA-C's license?

Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Nicholas Matthew Winiarski, PA-C prescribe under Medicare Part D?

In 2024, Nicholas Matthew Winiarski, PA-C had 124 Medicare Part D claims for 90 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.

What is Nicholas Matthew Winiarski, PA-C's MIPS final score?

The 2023 MIPS final score is 96.3 of 100, reported for the practice group. 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.