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Dr. Shannon E O'Mahar MD 
General Practice - Female
SSM Health Dean Medical Group
1211 Fish Hatchery Road
Madison, WI 53715
 (608) 410-2700
 Is Accepting New Patients
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DOCTOR SUMMARY
 Specialties
 Certifications
American Board of IM/Hematology
American Board of IM/Medical Oncology
American Board of Internal Medicine
Drug Enforcement Administration
Wisconsin Medical Examining Board
 Degrees
Medical Doctor - MD
 Spoken Languages
English
 Years of Experience
N/A
 Location Hours
Mon: 8:00 AM  -  5:00 PM
Tue: 8:00 AM  -  5:00 PM
Wed: 8:00 AM  -  5:00 PM
Thu: 8:00 AM  -  5:00 PM
Fri: 8:00 AM  -  5:00 PM
Sat: closed
Sun: closed
 Twitter Handle
 Message
Dr. O’Mahar is a board certified oncologist. She obtained her undergraduate degree from Stanford University and earned her medical degree from the Washington University School of Medicine in St. Louis. She completed her internship at Barnes-Jewish Hospital in St. Louis and her fellowship at the University of Wisconsin - Madison.

Her area of expertise is the treatment of multiple myeloma, myelodysplastic syndromes, monoclonal gammopathy, melanoma and acute and chronic leukemia.

In her free time, Dr. O’Mahar enjoys baking and writing sort stories and poetry.

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Dr. Shannon E O'Mahar MD
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