Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Timothy O'Brien, MD

Individual provider Hematology & Oncology Physician · NPI 1487728937

Timothy O'Brien, MD is a Hematology/Oncology in Cleveland, Ohio. Graduated from University of Rochester School of Medicine and Dentistry in 1989, 37 years ago. Practices with University Hospitals Medical Group Inc, a 2,242-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Ohio.

Years since qualifying
37
Trained at
University of Rochester School of Medicine and Dentistry
Licensed in
OH
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2500 Metrohealth Dr Mhmc-Medicine
Cleveland, OH 44109-1900
Phone: (216) 778-5802
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 35063278 (OH)

Record details

NPI number1487728937
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 17, 2006
Last updated in NPPESJuly 8, 2007
Mailing address2500 Metrohealth Dr, Mhmc-Medicine, Cleveland, OH 44109-1900

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesMEDICAL ONCOLOGY
Medical schoolUNIVERSITY OF ROCHESTER SCHOOL OF MEDICINE AND DENTISTRY
Graduated 1989 (37 years in practice)
Group practice University Hospitals Medical Group Inc — 2242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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