Doctor profile · Federal record

Dr. John Cilnyk, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Student in an Organized Health Care Education/Training Program · Buffalo, NY

  • NPI 1003109000
  • Accepts Medicare
  • 15 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2157 Main St
Buffalo, NY 142142648
(716) 862-1000
Additional location
462 Grider St
Buffalo, NY 142153021
(716) 898-3000
Mailing address
36 Olcott Pl
Cheektowaga, NY 142253955

Credentials & registration

NPPES · NUCC
NPI registered
May 2011 — 15 yrs on file
Profile last updated
November 29, 2018
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
New York #279588

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003109000. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
76
Distinct HCPCS
3
Medicare allowed
$8,654
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 45 42 $115
00811 Anesthesia for other procedure on large bowel using an endoscope 20 20 $106
00813 Anesthesia for procedure on small and large bowel using an endoscope 11 11 $121

In context: peer comparison

Among 39 peers in Buffalo Anesthesiology Physician, average services per provider: 28. This provider delivers 2.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$77
Transactions
4
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 4 $76.90

By nature of payment

Food and Beverage
$77

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Cilnyk's medical specialty?
Dr. John Cilnyk practices Anesthesiology Physician in Buffalo, NY.
Where does Dr. John Cilnyk practice?
Dr. John Cilnyk practices at 2157 Main St, Buffalo, NY 142142648. Office phone: 7168621000.
What is Dr. John Cilnyk's NPI?
Dr. John Cilnyk's National Provider Identifier (NPI) is 1003109000, issued by NPPES.
Does Dr. John Cilnyk accept Medicare assignment?
Yes. Dr. John Cilnyk accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Cilnyk commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for procedure on small and large bowel using an endoscope (HCPCS 00813). Source: CMS Medicare Physician & Other Practitioners file.