Shannon E O'mahar

Hematology

3200 E Racine St

Janesville, WI 53546 Directions

608-371-8000

www.getcare.ssmhealth.com

4.9 out of 5

148 verified ratings

148 Ratings, 56 Comments


The following ratings and reviews are based on verified feedback collected from independently administered patient experience surveys. The ratings and comments submitted by patients reflect their own views and opinions. Patient identities are withheld to ensure confidentiality and privacy.
Aug 21, 2026
Listens very carefully, Answers guestions wthout speaking over my level of understanding.. thank you

Aug 20, 2026
She listens

Aug 15, 2026
She's the best!

Aug 15, 2026
.Beside being very knowledgeable, she is one of the kindest doctors I have ever had.

Aug 15, 2026
She exudes quiet confidence and competence. I trust her.

Aug 14, 2026
She is incredibly knowledgeable and has handle my cancer diagnosis, with compassion.

Aug 12, 2026
she explained the pet scan i had in detail. decided i could wait a year to return.

Aug 11, 2026
As previously mentioned she was very thorough, compassionate, and with her engaging personality it put me at ease. I would highly recommend her.

Aug 11, 2026
Dr. O'mahar kindness and thorough explanation of lab results and answering my question tells me she really is concerned and cares on how I feel during my progression.

Aug 6, 2026
From the moment I met her she has been knowledgeable, caring, listens to my concerns, makes things happen that are best for me and she is delightful.

Aug 5, 2026
She is a very pleasant person.

Jul 17, 2026
She’s great!!

Jul 5, 2026
She was very thorough and explained everything. She took time for any concerns I had. And we discussed next steps.

Jul 3, 2026
She reviews everything with us, explains my lab readings and is genuinely invested in my treatment.

Jun 18, 2026
She's one of my favorite doctors ever!

Jun 5, 2026
She is the epitome of what is good in cancer care

Jun 5, 2026
I feel very comfortable with her. I was not rushed and confident she knew by history to best address next steps.

May 23, 2026
Very knowledgeable and kind

May 22, 2026
She doesn’t act like she is better than you.I’m relax when I see her

May 19, 2026
Good and caring Dr.

May 15, 2026
I feel I'm getting excellent care from a very professional,,smart doc who really cares about her patiebts and her work.

May 6, 2026
Dr. O'Mahar is kind, compassionate, and caring. She answers all my questions and is very up to date with the latest advances in treatments for myeloma. She really cares about how I feel.

May 2, 2026
Good Doctor!

May 2, 2026
I feel that she is doing everything she can to keep me healthy and when something doesn't seem right, she makes sure to find out why.

Apr 26, 2026
We love Shannon 💗

Apr 25, 2026
Dr O’mahar is always friendly and takes the time you need to ask questions and then explains it so you understand it.

Apr 24, 2026
I think she is concerned with all of her patients and feel very confident in her care.

Apr 23, 2026
Excellent on interpreting test data and relaying the info to me in understandable terms, plus she is just a nice caring person. I feel so fortunate to have her as my Dr.

Apr 21, 2026
Explains everything clearly. Listens to you. Always in a good mood

Apr 16, 2026
Very kind and concerned about your health.

Apr 7, 2026
Does not rush my appointment

Apr 7, 2026
Dr. listens very well and very supportive, that's in addition to knowing her "stuff".

Mar 26, 2026
I appreciate her honesty and her ability to not talk down to me.

Feb 13, 2026
Excellent doctor

Feb 10, 2026
She is the best!!

Feb 10, 2026
DR. O'mahar is a great doctor and takes time to explain procedures and checks so I understand the importance that they are monitored.

Feb 7, 2026
So nice to have a Doctor that cares so much about her patients

Jan 30, 2026
assured I could continue a productive life through her knowledge and expertise

Jan 21, 2026
Really like her!!

Jan 16, 2026
She always has answers for my questions and she has a pleasant demeanor.

Jan 8, 2026
She is very knowledgeable and extremely easy to understand along with her communication skills.

Jan 2, 2026
There aren't enough words to say how wonderful Dr. O'mahar is.

Dec 19, 2025
Professional, knowledgeable and caring.

Nov 28, 2025
This woman is amazing!!

Nov 22, 2025
Great to have a specialist with a great deal of knowledge and kindness

Nov 11, 2025
Super kind very knowledgeable awesome person

Nov 7, 2025
Dr. O'Mahar has my full confidence she is very knowledgeable.

Nov 6, 2025
She always cares

Oct 30, 2025
I won’t refer her to anyone I know because thankfully I don’t know anyone who has cancer.

Oct 26, 2025
I would suggest you do all you can to keep her.