Doctor profile · Federal record

Dr. Nicholas Chapin

Emergency Medicine Physician (CMS: Emergency Medicine) · Grand Rapids, MI

  • NPI 1790118560
  • Accepts Medicare
  • MIPS 89.7 / 100 · 2023
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Michigan St Ne, Mc 49
Grand Rapids, MI 495032560
(616) 391-1680
Mailing address
4100 Embassy Dr Se Ste 400
Grand Rapids, MI 495462416

Credentials & registration

NPPES · NUCC
NPI registered
August 2013 — 13 yrs on file
Profile last updated
June 28, 2019
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Michigan #4301110546

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790118560. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
113
Distinct HCPCS
3
Medicare allowed
$17,443
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 51 51 $173
99284 Emergency department visit with moderate level of medical decision making 49 49 $120
99291 Critical care, first 30-74 minutes 13 13 $210

In context: peer comparison

Among 50 peers in this city , average services per provider: 100. This provider delivers 1.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
30
Patients
30
Total drug cost
$124
Drug Type Claims Patients Total cost
Prednisone Generic 19 19 $34
Cephalexin Generic 11 11 $90

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Chapin's medical specialty?
Dr. Nicholas Chapin practices Emergency Medicine Physician in Grand Rapids, MI.
Where does Dr. Nicholas Chapin practice?
Dr. Nicholas Chapin practices at 100 Michigan St Ne, Grand Rapids, MI 495032560. Office phone: 6163911680.
What is Dr. Nicholas Chapin's NPI?
Dr. Nicholas Chapin's National Provider Identifier (NPI) is 1790118560, issued by NPPES.
Does Dr. Nicholas Chapin accept Medicare assignment?
Yes. Dr. Nicholas Chapin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Chapin 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); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.