COVID-19 (Coronavirus) Update: Vaccine Updates | COVID-19 Information | Visitor Guidelines

James P. Thomas, MD, PhD

Remove | Saved Doctors ()
Hematology, Medical Oncology
4.9 (128)
Accepting New Patients
Offers Virtual Visits

Call for an appointment

Cancer Center - Froedtert Hospital 866-680-0505
View MoreLess
Established Patient Appointments 414-805-6800
New & Established Patients Call 414-805-0505
Call for an appointment


Dr. Thomas is a Professor of Medicine and Section Head of Solid Tumor Oncology at the Froedtert & the Medical College of Wisconsin Clinical Cancer Center. His research interests are in the development of new cancer therapies and he specializes in the treatment of gastrointestinal cancers.

Dr. Thomas emphasizes the partnership of the patient and the multi-disciplinary team in developing the treatment plan and he encourages access to cutting edge technology and clinical trials.


Diseases & Conditions

Biliary Cancer
Colon Cancer
Esophageal Cancer
Gastric Cancer
Gastrointestinal Cancer
Gastrointestinal Stromal Tumor (GIST)
Liver Cancer
Neuroendocrine Cancer
Pancreatic Cancer
Rectal Cancer

Treatment & Services

Virtual Visit

Ages Seen


Languages Spoken


Hospital Affiliations

Froedtert Hospital


Cancer Center - Froedtert Hospital
8800 West Doyne Ave.
Milwaukee, WI 53226
Get Directions

Education & Training

Medical College of Wisconsin - Milwaukee - Ph.D., Biochemistry - (1989)

Medical College of Wisconsin - Milwaukee - Doctor of Medicine - (1991)

Medical College of Wisconsin Affiliated Hospitals - Milwaukee - Residency, Internal Medicine - (1991-1995)

Medical College of Wisconsin Affiliated Hospitals - Milwaukee - Postdoctoral Research Fellow, Department of Biophysics - (1991-1995)

Board Certifications

Internal Medicine
Medical Oncology

Patient Reviews

The comments are submitted by patients (or their caregivers) and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of the Froedtert & the Medical College of Wisconsin health network. Learn more about our survey.

4.9 out of 5. 128 ratings, 27 reviews
Feb. 11, 2021
Dr. Thomas puts the patient first and that means a lot to me. He's incredible doctor with just the right demeanor I would do whatever you can to keep them on your staff
Feb. 11, 2021
very attentive!
Feb. 5, 2021
I feel I am receiving the best possible care for my condition.
Jan. 21, 2021
He listened to my concerns. advised me as to what actually was going on. His knowledge, is what makes me feel so well taken care of. I'm so confident having him as my manager for my health.
Jan. 14, 2021
excellent Doctor and staff saved my life
Jan. 12, 2021
Dr Thomas has a calming way about him. Also a fatherly way, which is a great combo for someone going thru cancer that needs hope and reassurance.
Dec. 29, 2020
Dr. Thomas as well his Physician's assistant have always given me excellent care!
Dec. 29, 2020
I love Dr. Thomas. He is kind and a thorough Dr.
Dec. 24, 2020
My first visit. It was the most knowledgeable and congenial medical professionals I have had. And I have had a lot.
Dec. 8, 2020
Dr. Thomas has treated both my son and me for a genetic colon cancer. My son was given weeks to months to live at another hospital, five years ago, but Dr. Thomas got him into a clinical drug trial, and he is very much alive today. I have survived two bouts of colon cancer in part due to Dr. Thomas' excellent and compassionate care.
Dec. 3, 2020
I believe the Dr has my best interest and is knowledgeable of NET
Nov. 11, 2020
he saved my life. 2014
Nov. 10, 2020
Dr. Thomas is solid, consistent and honest with everything. I am blessed to have him caring for me.
Nov. 5, 2020
Dr Thomas is an optimistic and comprehensive care giver.
Oct. 1, 2020
I was immediately comfortable with this provider. He was able to present and converse in a very calm, and reassuring way. Excellent bedside manner.
Sept. 13, 2020
I feel Dr. Thomas has always been the best possible provider I could have for my condition. I am extremely grateful for his excellent care.
Sept. 5, 2020
He is relatable and listens to my concerns. He put a cancer plan in place and seems very knowledgeable.
Aug. 15, 2020
Dr. Thomas is patient and thoroughly explains test results.
Aug. 4, 2020
Yes. Dr. Thomas and his staff are very good and honest. When I met Dr. Thomas and his team. it felt like the right fit for me.I knew that I was in the right place and felt confident and comfortable.
July 3, 2020
Dr. Thomas showed respect, throughout my addition, he was compassionate and showed knowledge about my condition. Excellent doctor.
June 29, 2020
very concerned about my health and current condition. open and ernest about my concerns
May 30, 2020
Dr. Thomas always discusses my Cancer diagnosis with honesty and compassion. He reviews labs, tumor markers, scans and F/U needed with clarity. I am fortunate to have him as my Oncologist!
May 17, 2020
Dr. Thomas always takes a very personal interest in me and my treatment. He is always confident and supportive when making treatment decisions. I feel I am receiving the best care possible. I have the utmost confidence in Dr. Thomas.
May 5, 2020
so knowledgeable and understanding very personable
April 22, 2020
everyone very helpful!
April 19, 2020
Always kind and caring
April 10, 2020
Dr. Thomas & his team are excellent.
Visit for videos, patients reviews and more.