5
2 Ratings
Summary
Dr. Shannon Omahar is a board-certified oncologist with expertise in internal medicine and hospital medicine. She earned her medical degree from Washington University in St. Louis School of Medicine and brings 21 years of clinical experience to her practice. Dr. Omahar provides comprehensive cancer care with a focus on blood cancers and related conditions. She speaks English fluently with her patients.
Dr. Omahar practices at multiple SSM Health locations throughout Madison and Janesville, Wisconsin, including Saint Mary's Hospital Madison, Saint Mary's Hospital Janesville, and Edgerton Hospital and Health Services. She specializes in treating complex blood disorders such as multiple myeloma and acute myeloid leukemia. Her clinical expertise includes performing complete blood counts and specialized protein tests to diagnose and monitor various blood conditions. Patients consistently rate Dr. Omahar highly, giving her an average rating of 5.0 out of 5 stars.
Dr. Omahar practices at multiple SSM Health locations throughout Madison and Janesville, Wisconsin, including Saint Mary's Hospital Madison, Saint Mary's Hospital Janesville, and Edgerton Hospital and Health Services. She specializes in treating complex blood disorders such as multiple myeloma and acute myeloid leukemia. Her clinical expertise includes performing complete blood counts and specialized protein tests to diagnose and monitor various blood conditions. Patients consistently rate Dr. Omahar highly, giving her an average rating of 5.0 out of 5 stars.
AI-generated from data on this provider profile.
Quick Facts
- accepting new patients
- 21 years of experience
- speaks English
- Washington University In St Louis School Of Medicine
- 2 specialties
- 15 areas of expertise
- 3 board certifications
- 3 hospital affiliations
- 2 office locations
- Female
Office Locations
Dr. Shannon E O'mahar has 2 locationsSSM Health Cancer Care
1211 Fish Hatchery RdMadison, WI 53715 Tel: (608) 410-2700
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
SSM Health Cancer Care
3200 E Racine StJanesville, WI 53546 Tel: (608) 410-2700
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Shannon E O'mahar, MD | Sara K Mistretta, APN, CNP | Dr. Matthew William Wood | Dr. Bridget Bellissimo |
| Oncology | Oncology | Oncology | Oncology |
| Accepts New Patients | Accepts New Patients | ||
| 21 Years of Experience | 7 Years of Experience | ||
| Virtual Visit Available | Virtual Visit Available | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | |||
| Madison , WI | Madison , WI | Madison , WI | Madison , WI |
| Med School: Washington University In St Louis School Of Medicine | Med School: Lewis Katz School Of Medicine At Temple University | ||
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Shannon E O'mahar
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Shannon E O'mahar has the following 2 specialties
Specialty Expertise
Dr. Shannon E O'mahar has the following 15 areas of expertise
Certifications, License, & Education
21 Years Experience
MEDICAL LICENSE
Medical Doctor, Wisconsin, 2025, Expired
EDUCATION & TRAINING
Medical School
Washington University In St Louis School Of MedicineGraduated in 2005
Similar doctors
Frequently Asked Questions
- Is Dr. Shannon O'mahar accepting new patients?
- Dr. Shannon O'mahar is accepting new patients on Vitals. View Dr. Shannon O'mahar's profile on Vitals to make an appointment.
- Does Dr. Shannon O'mahar accept my insurance?
- You can see the insurance plans that Dr. Shannon O'mahar accepts on their Vitals profile.
- Which hospitals is Dr. Shannon O'mahar affiliated with?
- Dr. Shannon O'mahar is affiliated with Ssm Health Saint Marys Hospital Madison, Edgerton Hospital And Health Services, and Ssm Health Saint Marys Hospital Janesville.
- Where is Dr. Shannon O'mahar's office located?
- Dr. Shannon O'mahar's office is located at 1211 Fish Hatchery Rd, Madison, WI, 53715.
- Does Dr. Shannon O'mahar accept virtual/telehealth appointments?
- Yes, Dr. Shannon O'mahar accepts virtual/telehealth appointments. Click the virtual visit button on their Vitals profile.
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.
