Hematology

Shannon O'Mahar, MD

Dr. Shannon O'Mahar, MD is an Internist who practices in Madison, WI. She is 49 years old and has been practicing for 21 years.

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Credentials

Years in Practice

21+ years

Peer Recognition

Castle Connolly — Top Doctor
2022-2026 (5 years)
Healthgrades — Healthgrades Honor Roll

Clinical Focus

Subspecialties

Hematology & Oncology

Conditions & Treatments

Hematologic MalignanciesLeukemiaLymphomaMultiple Myeloma

Insurance(s) Accepted

Please verify your coverage with the provider — plan participation can change.

Practice Details

Hospital Affiliations

Edgerton Hospital And Health Services
Southwest Health Center
Upland Hills Health
St Marys Hospital Superior
Stoughton Hospital

Conditions Dr. O'Mahar treats

Insurance accepted

Frequently asked

Does Dr. O'Mahar accept Aetna insurance?

Shannon O'Mahar's public profile lists Aetna, Anthem Blue Cross Blue Shield, and Blue Cross Blue Shield plus 2 more health plans as accepted plans. Plan participation can change — confirm directly with the practice before your visit.

Where does Dr. O'Mahar practice?

Shannon O'Mahar practices in Madison, WI with hospital affiliations including Edgerton Hospital And Health Services, Southwest Health Center, and Upland Hills Health.

What does Dr. O'Mahar specialize in?

Shannon O'Mahar is a board-certified hematology specialist with focus areas in Hematology & Oncology.

How long has Dr. O'Mahar been practicing?

Shannon O'Mahar has 21+ years of clinical experience in hematology.