Doctor profile · Federal record

Dr. Steven Gasiewicz, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medical Services (Emergency Medicine) Physician · Cheektowaga, NY

  • NPI 1457303521
  • Accepts Medicare
  • MIPS 82.3 / 100 · 2023
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2605 Harlem Road, St. Joseph's Hospital
Cheektowaga, NY 14225
(716) 204-4500
fax (716) 204-4501
Mailing address
6653 Main St
Williamsville, NY 142215906

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
August 16, 2018
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
New York #211527 · New York #211527-1
Medicaid (2)
NY #01908841 · NY #RA0570

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457303521. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
113
Distinct HCPCS
3
Medicare allowed
$14,268
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 79 73 $130
99283 Emergency department visit with low level of medical decision making 22 22 $78
99285 Emergency department visit with high level of medical decision making 12 12 $190

In context: peer comparison

Among 1 peers in Cheektowaga Emergency Medicine Physician, average services per provider: 37. This provider delivers 3.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
97
Patients
95
Total drug cost
$736
Drug Type Claims Patients Total cost
Prednisone Generic 28 26 $50
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 24 24 $332
Cephalexin Generic 17 17 $207
Ibuprofen Generic 15 15 $64
Azithromycin Generic 13 13 $83

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Steven Gasiewicz's medical specialty?
Dr. Steven Gasiewicz practices Emergency Medicine Physician in Cheektowaga, NY.
Where does Dr. Steven Gasiewicz practice?
Dr. Steven Gasiewicz practices at 2605 Harlem Road, Cheektowaga, NY 14225. Office phone: 7162044500.
What is Dr. Steven Gasiewicz's NPI?
Dr. Steven Gasiewicz's National Provider Identifier (NPI) is 1457303521, issued by NPPES.
Does Dr. Steven Gasiewicz accept Medicare assignment?
Yes. Dr. Steven Gasiewicz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Steven Gasiewicz commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.