Doctor profile · Federal record

Dr. Nicholas Winiarski, PA-C

Medical Physician Assistant · Grand Rapids, MI

  • NPI 1770145542
  • MIPS 89.7 / 100 · 2023
  • 7 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4100 Embassy Dr Se
Grand Rapids, MI 495462416
(616) 957-7706

Credentials & registration

NPPES · NUCC
NPI registered
July 2019 — 7 yrs on file
Specialty taxonomy
363AM0700X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770145542. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
109
Distinct HCPCS
2
Medicare allowed
$13,821
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 60 60 $147
99284 Emergency department visit with moderate level of medical decision making 49 48 $102

In context: peer comparison

Among 19 peers in Grand Rapids Medical Physician Assistant, average services per provider: 58. This provider delivers 1.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
17
Patients
16
Total drug cost
$38
Drug Type Claims Patients Total cost
Prednisone Generic 17 16 $38

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Winiarski's medical specialty?
Dr. Nicholas Winiarski practices Medical Physician Assistant in Grand Rapids, MI.
Where does Dr. Nicholas Winiarski practice?
Dr. Nicholas Winiarski practices at 4100 Embassy Dr Se, Grand Rapids, MI 495462416. Office phone: 6169577706.
What is Dr. Nicholas Winiarski's NPI?
Dr. Nicholas Winiarski's National Provider Identifier (NPI) is 1770145542, issued by NPPES.
What procedures does Dr. Nicholas Winiarski commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.