Dr. Shannon O'Mahar, MD

Medical Oncology  |  
Female  |  
Age 39
(1)
Insurances AcceptedSave
Dr. Shannon O'Mahar, MD
Dr. Shannon O'Mahar, MD is a medical oncology doctor who practices in Madison, WI. She is 39 years old and has been practicing for 12 years. Dr. O'Mahar is affiliated with Saint Mary's Hospital and Saint Mary's Janesville Hospital.

1200 John Q Hammons Dr Ste 400

Madison, WI 53717

Contact Information

(608) 410-2700

Dr. Shannon O'Mahar, MD

Dr. Shannon O'Mahar, MD

Accepted insurance

  • Aetna
  • AvMed
  • Cigna
  • Dean Health Plan, Inc.
  • MultiPlan
  • UnitedHealthCare

*Please verify this information when scheduling an appointment.

Learn about Dr. O'Mahar

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you

Top Care Areas

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See how frequently Dr. O'Mahar performs your care needs compared to other doctors.

Blood Disorders
very high
more than 99% of peers
Anemia
very high
more than 97% of peers
Myelodysplastic Syndromes
very high
more than 93% of peers

Dr. O'Mahar's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

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3

Specialties

  • Medical Oncology
  • Hematology
  • Internal Medicine
3

Board Certifications

  • Hematology
    Accredited by: American Board of Internal Medicine*
  • Internal Medicine
    Accredited by: American Board of Internal Medicine*
  • Medical Oncology
    Accredited by: American Board of Internal Medicine*
74

Conditions Treated

  • Acute Leukemia
  • Acute Myeloid Leukemia
  • All Lymphoma
  • Anal and Rectal Cancer
  • Anemia
  • Bladder Cancer
  • Bleeding Disorders
  • Blood Disorders
  • Bone Cancer
  • Bone Disorders
  • Brain Cancer
  • Brain and Nervous System Cancer (incl. Gliomas, Astrocytoma, Schwannoma, Medulloblastoma, Chordoma)
  • Breast Cancer
  • Cancer
  • Carcinoma in Situ
  • Cervical Cancer
  • Chronic Myeloid Leukemia (CML)
  • Colorectal Cancer
  • Deep Vein Thrombosis (DVT)
  • ENT Cancer
  • Esophageal Cancer
  • Gallbladder and Biliary Tract Cancer
  • Gynecologic Cancer
  • Head and Neck Cancer
  • Hodgkin's Disease
  • Immune Thrombocytopenic Purpura (ITP)
  • Kidney Cancer
  • Leukocytosis
  • Liver Cancer
  • Lung Cancer
  • Lymphocytosis
  • Lymphoma
  • Lymphoma, Large-Cell
  • Lymphosarcoma
  • Macroglobulinemia (incl. Waldenstrom's )
  • Mantle Cell Lymphoma
  • Marginal Zone Lymphoma
  • Melanoma
  • Merkel Cell Carcinoma
  • Myelodysplastic Syndromes
  • Myeloma
  • Myeloproliferative Disorders
  • Neuroendocrine Tumors
  • Neutropenia
  • Nodular Lymphoma
  • Non-Hodgkin's Lymphoma
  • Oral Cancer
  • Osteosarcoma
  • Ovarian Cancer
  • Pancreatic Cancer
  • Pancytopenia
  • Pleura Cancer
  • Pleural Cancer
  • Polycythemia Rubra Vera
  • Prostate Cancer
  • Purpura
  • Reticulosarcoma
  • Retina Diseases
  • Secondary Malignancies
  • Skin Cancer
  • Small Intestine Cancer
  • Soft Tissue Sarcoma
  • Squamous Cell Carcinoma
  • Stomach Cancer
  • Stomach and Small Intestine Cancer
  • Testicular Cancer
  • Throat Cancer (Hypopharyngeal)
  • Throat Cancer (Oropharyngeal)
  • Thrombocytosis
  • Thrombosis
  • Thyroid Cancer
  • Uterine Cancer
  • Uterine Diseases
  • Venous Embolism and Thrombosis

More

Read More
1

Procedures

  • Bone Marrow Biopsy

Background Check

Malpractice Claims not available

Healthgrades does not collect malpractice information for Wisconsin.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.

Education

  • Stanford U
    Undergraduate School | Graduated 2000
  • Washington Univ Sch Of Med
    Medical School | Graduated 2005
  • Barnes-Jewish Hospital
    Internship Hospital | Completed
  • Barnes-Jewish Hospital
    Residency Hospital | Completed 2008
  • University Of Wisconsin Hospital and Clinics
    Fellowship Hospital | Completed 2012

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. O'Mahar has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. O'Mahar does not have any memberships or affiliations listed. If you are Dr. O'Mahar and would like to add memberships or affiliations, please update your profile.

Dr. O'Mahar's Reviews

Likelihood of recommending Dr. O'Mahar to family and friends
5.0
based on 1 review
Dr. O'Mahar's Performance
  • Trustworthiness
    EXCELLENT
  • Explains condition(s) well
    EXCELLENT
  • Answers Questions
    EXCELLENT
  • Time well spent
    EXCELLENT
Office & Staff Performance
  • Scheduling
    EXCELLENT
  • Office environment
    EXCELLENT
  • Staff friendliness
    EXCELLENT
  • Average wait time
    Under 10 minutes
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Visit Dr. O'Mahar

Now Accepting New Patients
Dr. O'Mahar accepts 6 insurance carriers
  • Aetna
    Choice Plus POS II
  • AvMed
    Open Access
  • Cigna
    Cigna HMO
    Cigna PPO
    Great West Healthcare-Cigna PPO
  • Dean Health Plan, Inc.
  • MultiPlan
    MultiPlan PPO
  • UnitedHealthCare
    Choice Plus POS
    Navigate HMO
    Navigate POS
    Options PPO

*Please verify this information when scheduling an appointment.

Hospitals where Dr. O'Mahar has admitting privileges

Saint Mary's Hospital
700 S Park St
Madison, WI 53715
View Hospital Profile
Saint Mary's Janesville Hospital
3400 E Racine St
Janesville, WI 53546
View Hospital Profile

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