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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Timothy O'Leary:

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Specialties & Research

Dr. Timothy O'Leary, MD, PHD is board certified in Anatomic Pathology and Pathology - Molecular Genetic Pathology.

  • He has special expertise in 8 areas:
  • AIDS/HIV (Acquired Immunodeficiency Syndrome)
  • Adenoma (Warthin's tumor)
  • Connective Tissue Cancer
  • Fibrocystic Breast Disease
  • Gastrointestinal Cancer
  • Glandular Cancer (Adenocarcinoma)
  • Hodgkin Disease
  • Smooth Muscle Tumor

Education & Awards

Dr. O'Leary graduated from University of Michigan Medical School, Ann Arbor. He has 1 awards.

One of America's Leading Experts on:
Gastrointestinal Cancer (Gastrointestinal Neoplasm)

> > > > Dr. Timothy O'Leary, MD, PHD

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Additional Information
Dr. Timothy Joseph O'Leary MD and PHD is a male Pathologist, has 32 years of experience and practices in Pathology, Anatomic Pathology, and Molecular Genetic Pathology.
Where does Dr. Timothy J. O'Leary practice?
Dr. Timothy O'Leary has 1 office location.
Dr. Timothy O'Leary practices Pathology, Anatomic Pathology, and Molecular Genetic Pathology near Washington, DC.
See Washington Pathologists.