Doctor profile · Federal record

Dr. David Greczek, PA-C

Physician Assistant · Brooklyn, NY

  • NPI 1649990060
  • Accepts Medicare
  • 4 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
800 Poly Pl
Brooklyn, NY 112097104
(718) 836-6600
Mailing address
3709 75Th St Apt 2L
Jackson Heights, NY 113726409

Credentials & registration

NPPES · NUCC
NPI registered
August 2022 — 4 yrs on file
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
New York #028743

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649990060. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$123
Transactions
6
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Sumitomo Pharma America, INC. 2 $43.80
Endo Pharmaceuticals INC. 2 $39.18
Bayer Healthcare Pharmaceuticals INC. 1 $20.85
Endo USA, INC. 1 $19.40

By nature of payment

Food and Beverage
$123

Frequently asked questions

Auto-generated from federal data
What is Dr. David Greczek's medical specialty?
Dr. David Greczek practices Physician Assistant in Brooklyn, NY.
Where does Dr. David Greczek practice?
Dr. David Greczek practices at 800 Poly Pl, Brooklyn, NY 112097104. Office phone: 7188366600.
What is Dr. David Greczek's NPI?
Dr. David Greczek's National Provider Identifier (NPI) is 1649990060, issued by NPPES.
Does Dr. David Greczek accept Medicare assignment?
Yes. Dr. David Greczek accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.