Doctor profile · Federal record

Dr. Changtai Tian, MD

Hematology & Oncology Physician · Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Stony Brook, NY

  • NPI 1871171561
  • 5 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
101 Nicolls RD
Stony Brook, NY 117943806
(631) 689-8333
Additional location
600 S Paulina St Ste 403
Chicago, IL 606123806
(312) 942-7100

Credentials & registration

NPPES · NUCC
NPI registered
April 2021 — 5 yrs on file
Profile last updated
June 19, 2024
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
Illinois #125-077594 · Illinois #125.077594

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871171561. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$237
Transactions
9
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 2 $54.71
Sobi, INC 2 $54.27
SpringWorks Therapeutics, INC. 1 $33.10
AstraZeneca Pharmaceuticals Lp 1 $30.70
Eisai INC. 1 $27.14
TerSera Therapeutics LLC 1 $22.02
Merck Sharp & Dohme LLC 1 $15.00

By nature of payment

Food and Beverage
$237

Frequently asked questions

Auto-generated from federal data
What is Dr. Changtai Tian's medical specialty?
Dr. Changtai Tian practices Hematology & Oncology Physician in Stony Brook, NY.
Where does Dr. Changtai Tian practice?
Dr. Changtai Tian practices at 101 Nicolls RD, Stony Brook, NY 117943806. Office phone: 6316898333.
What is Dr. Changtai Tian's NPI?
Dr. Changtai Tian's National Provider Identifier (NPI) is 1871171561, issued by NPPES.