Doctor profile · Federal record

Dr. Peter Antkowiak, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Springfield, MA

  • NPI 1700249273
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
759 Chestnut Street, # S6538
Springfield, MA 011071619
(413) 794-3233
fax (413) 794-9060
Mailing address
280 Chestnut Street, 2Nd Floor
Springfield, MA 011991001

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
September 19, 2024
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Massachusetts #277924

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700249273. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
829
Distinct HCPCS
7
Medicare allowed
$98,511
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 352 342 $179
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 261 211 $9
99284 Emergency department visit with moderate level of medical decision making 99 96 $121
99291 Critical care, first 30-74 minutes 71 69 $220
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 17 17 $183
99292 Critical care, each additional 30 minutes 16 12 $110
99283 Emergency department visit with low level of medical decision making 13 13 $72

In context: peer comparison

Among 39 peers in Springfield Emergency Medicine Physician, average services per provider: 85. This provider delivers 9.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
12
Patients
11
Total drug cost
$88
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 12 11 $88

Frequently asked questions

Auto-generated from federal data
What is Dr. Peter Antkowiak's medical specialty?
Dr. Peter Antkowiak practices Emergency Medicine Physician in Springfield, MA.
Where does Dr. Peter Antkowiak practice?
Dr. Peter Antkowiak practices at 759 Chestnut Street, Springfield, MA 011071619. Office phone: 4137943233.
What is Dr. Peter Antkowiak's NPI?
Dr. Peter Antkowiak's National Provider Identifier (NPI) is 1700249273, issued by NPPES.
Does Dr. Peter Antkowiak accept Medicare assignment?
Yes. Dr. Peter Antkowiak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Antkowiak commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.