Doctor profile · Federal record

Dr. Timothy O'Brien, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Cleveland, OH

  • NPI 1487728937
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2500 Metrohealth Dr, Mhmc-Medicine
Cleveland, OH 441091900
(216) 778-5802

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Ohio #35063278
Medicaid
OH #0931586

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487728937. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$41
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Daiichi Sankyo INC. 1 $20.78
Pfizer INC. 1 $19.74

By nature of payment

Food and Beverage
$41

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy O'Brien's medical specialty?
Dr. Timothy O'Brien practices Hematology & Oncology Physician in Cleveland, OH.
Where does Dr. Timothy O'Brien practice?
Dr. Timothy O'Brien practices at 2500 Metrohealth Dr, Cleveland, OH 441091900. Office phone: 2167785802.
What is Dr. Timothy O'Brien's NPI?
Dr. Timothy O'Brien's National Provider Identifier (NPI) is 1487728937, issued by NPPES.
Does Dr. Timothy O'Brien accept Medicare assignment?
Yes. Dr. Timothy O'Brien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.