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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. Shannon OMahar:

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Specialties & Research

Dr. Shannon OMahar, MD is board certified in Internal Medicine.

  • She has special expertise in 10 areas:
  • Acute Myeloid Leukemia
  • Breast Cancer
  • Chronic Myeloid Leukemia
  • Chronic Myelomonocytic Leukemia
  • Colorectal Cancer
  • Deep Vein Thrombosis
  • Hepatitis C
  • Leukemia
  • Metastatic Breast Cancer
  • Multiple Myeloma (Cancer of Plasma Cells)

Education & Awards


Affiliations

Dr. OMahar has 3 hospital affiliations:

  • St. Mary's Hospital Medical Center-Madison 
  • Fort Memorial Hospital 
  • St Mary'S Hospital 

Languages

  • English

> > > > Dr. Shannon OMahar, MD

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Additional Information
Dr. Shannon E OMahar MD is a female Internist, has 6 years of experience and practices in Internal Medicine and Hematology.
Where does Dr. Shannon E. OMahar practice?
Dr. Shannon OMahar has 2 office locations.
Dr. Shannon OMahar practices Internal Medicine and Hematology near Janesville, WI.
Additional practice locations include: Fort Atkinson, WI.
See Janesville Internists and Janesville Hematologists.