Doctor profile · Federal record

Dr. Anna Andrzejczyk

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Stony Brook, NY

  • NPI 1275030231
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Dept. of Internal Medicine, Hsc Level 16-020, Suny Stony Brook
Stony Brook, NY 11794
(631) 444-2493

Credentials & registration

NPPES · NUCC
NPI registered
April 2018 — 8 yrs on file
Profile last updated
September 18, 2024
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
New York #318693-01

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275030231. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$474
Transactions
10
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 5 $233.91
Genentech, INC. 1 $139.63
Sobi, INC 1 $29.98
Merck Sharp & Dohme LLC 1 $29.25
Incyte Corporation 1 $26.07
Lilly USA, LLC 1 $14.73

By nature of payment

Food and Beverage
$474

Frequently asked questions

Auto-generated from federal data
What is Dr. Anna Andrzejczyk's medical specialty?
Dr. Anna Andrzejczyk practices Hematology & Oncology Physician in Stony Brook, NY.
Where does Dr. Anna Andrzejczyk practice?
Dr. Anna Andrzejczyk practices at Dept. of Internal Medicine, Stony Brook, NY 11794. Office phone: 6314442493.
What is Dr. Anna Andrzejczyk's NPI?
Dr. Anna Andrzejczyk's National Provider Identifier (NPI) is 1275030231, issued by NPPES.
Does Dr. Anna Andrzejczyk accept Medicare assignment?
Yes. Dr. Anna Andrzejczyk accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.