Doctor profile · Federal record

Dr. Gregory Czajka, RPA C

Physician Assistant · Williamsville, NY

  • NPI 1740265537
  • MIPS 88.3 / 100 · 2023
  • 21 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
180 Park Club Ln, Ste 100
Williamsville, NY 142215263
(716) 839-9402
fax (716) 839-3570
Mailing address
3085 Harlem RD, Ste 350
Cheektowaga, NY 142252591

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
January 18, 2017
Specialty taxonomy
363A00000X — NUCC code
Medicaid
NY #01412591

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740265537. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$599
Transactions
5
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Alexion Pharmaceuticals, INC. 1 $124.99
Grifols USA, LLC 1 $124.99
Tg Therapeutics, INC. 1 $124.99
Gilead Sciences, INC. 1 $112.79
Teva Pharmaceuticals USA, INC. 1 $111.15

By nature of payment

Food and Beverage
$599

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Czajka's medical specialty?
Dr. Gregory Czajka practices Physician Assistant in Williamsville, NY.
Where does Dr. Gregory Czajka practice?
Dr. Gregory Czajka practices at 180 Park Club Ln, Williamsville, NY 142215263. Office phone: 7168399402.
What is Dr. Gregory Czajka's NPI?
Dr. Gregory Czajka's National Provider Identifier (NPI) is 1740265537, issued by NPPES.