Timothy O'Brien, MD
Timothy O'Brien is a Hematology & Oncology specialist based in Cleveland, OH with over 37 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: MEDICAL ONCOLOGY
Timothy O'Brien, MD practices as part of a group hematology & oncology specialist practice in Cleveland, OH. Trained at University of Rochester School of Medicine and Dentistry (class of 1989), he has been practicing for over 37 years. An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders.
Older · 6897dNPPES updated 2007-07-08 · verify NPI on CMS · Verify license at State Medical Board of Ohio
Contact & Location
Practice Location
2500 Metrohealth Dr Mhmc-Medicine, Cleveland, OH 44109-1900
$41 received from industry
2 transactions reported in 2024 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Timothy O'Brien's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1989
University of Rochester School of Medicine and Dentistry
37 years in practice
Senior practitioner
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Taxonomy: 207RH0003X
Education & Training
University of Rochester School of Medicine and Dentistry (Class of 1989)
Virtual Hematology & Oncology Care With Timothy O'Brien
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Timothy O'Brien for follow-ups, medication reviews, and ongoing care — no travel to Cleveland required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Timothy O'Brien
Dr. O'Brien is listed as active in the NPI registry with telehealth listed in Cleveland, OH. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (216) 778-5802.
Sourced from CMS NPPES · OIG LEIE · CMS Open Payments 2024. See Data Methodology.
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Contact Timothy O'Brien
Practice Location
2500 Metrohealth Dr Mhmc-Medicine, Cleveland, OH 44109-1900
Mailing Address
2500 Metrohealth Dr Mhmc-Medicine, Cleveland, OH 44109-1900
This is a provider directory. Contact the office directly to schedule appointments.
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