Doctor profile · Federal record

Dr. Jason Gonsky, M.D., PH.D.

Hematology & Oncology Physician · Brooklyn, NY

  • NPI 1184835035
  • 19 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
451 Clarkson Ave Building A Fl 7, Kings County Hospital Center
Brooklyn, NY 112032054
(718) 245-2770
fax (718) 245-3808
Mailing address
451 Clarkson Ave Fl 7 A Bldg, Kings County Hospital Center
Brooklyn, NY 112032054

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
August 14, 2009
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
New York #236096

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184835035. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$183
Transactions
9
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
TAIHO ONCOLOGY, INC. 3 $62.48
RECORDATI_RARE_DISEASES_INC. 1 $24.16
Daiichi Sankyo Inc. 1 $24.08
Celgene Corporation 1 $21.16
E.R. Squibb & Sons, L.L.C. 1 $20.29
Lilly USA, LLC 1 $17.23
Astellas Pharma US Inc 1 $13.28

By nature of payment

Food and Beverage
$183

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
283
Patients
44
Total drug cost
$518,711
Drug Type Claims Patients Total cost
Anastrozole Generic 214 44 $4,201
Lenalidomide Generic 18 0 $253,343
Xtandi (Enzalutamide) Brand 18 0 $260,341
Hydroxyurea Generic 17 0 $679
Letrozole Generic 16 0 $147

Frequently asked questions

Auto-generated from federal data
What is Dr. Jason Gonsky's medical specialty?
Dr. Jason Gonsky practices Hematology & Oncology Physician in Brooklyn, NY.
Where does Dr. Jason Gonsky practice?
Dr. Jason Gonsky practices at 451 Clarkson Ave Building A Fl 7, Brooklyn, NY 112032054. Office phone: 7182452770.
What is Dr. Jason Gonsky's NPI?
Dr. Jason Gonsky's National Provider Identifier (NPI) is 1184835035, issued by NPPES.