Changtai Tian, MD
Hematology & Oncology Physician · Stony Brook, NY
Changtai Tian, MD is a hematology & oncology physician with a practice address in Stony Brook, New York, and NPI 1871171561, issued on Apr 1, 2021. Check the license on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Changtai Tian
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- 125-077594 IL
125.077594 IL
Self-reported in NPPES; status is on the state search - Practice location
- 101 Nicolls RD, Stony Brook, NY 11794
- Phone
- (631) 689-8333
- Enumerated
- Apr 1, 2021
- Record last updated
- Jun 19, 2024
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,163 in New York → Look up another NPI →
Also registered at 101 Nicolls RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rula Abdulrahman, M.D.Nephrology Physician1790180776
- Dua AbedeenStudent in an Organized Health Care Education/Training Program1457153934
Verify Changtai Tian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $236.94
9 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Changtai Tian among 1,163 hematology & oncology physician records in New York
Changtai Tian, MD is one of 1,163 hematology & oncology physician records with a practice address in New York. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 97% of them.
- NPI issued2021 · 97% of these records are older, 3% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2024 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 hematology & oncology physician records list a practice address in Stony Brook
They are 24 of the 3,053 NPPES records with a practice address in Stony Brook, and 1,163 hematology & oncology physician records in New York.
All 1,163 in New York → Every provider in Stony Brook → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Crystal Antoine Pepeljugoski, M.D.Stony Brook, NY 117941073856357
- Lea Baer, MDStony Brook, NY 117941609037514
- Harold Bien, PH.D., M.D.Stony Brook, NY 117941902049257
- Jules Cohen, M.D.Stony Brook, NY 117941215112289
- Theodore Gabig, M.D.Stony Brook, NY 117941538194360
- Julie Anne Gemmill, DO, MSStony Brook, NY 117941619313160
- Achuta Guddati, MDStony Brook, NY 117941457639312
- Yusuf Hannun, M.D.Stony Brook, NY 117941336413319
Common questions
What is Changtai Tian, MD's NPI number?
Changtai Tian, MD's National Provider Identifier (NPI) is 1871171561, issued on Apr 1, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Changtai Tian, MD located?
The NPPES record lists a practice address at 101 Nicolls RD, Stony Brook, NY, 11794. Phone: (631) 689-8333. Providers update this record themselves, so call before visiting.
How can I verify Changtai Tian, MD's license?
Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.