James P. Thomas, MD, PhD

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Hematology, Medical Oncology
4.9 (132)
Accepting New Patients
Offers Virtual Visits

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Cancer Center - Froedtert Hospital (866) 680-0505
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Established Patient Appointments (414) 805-6800
New & Established Patients Call (414) 805-0505


Dr. Thomas is a Professor of Medicine and Section Head of Solid Tumor Oncology at the Froedtert & 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
(866) 680-0505
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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. 132 ratings, 31 reviews
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.
March 28, 2020
Dr. Thomas saved my life
March 14, 2020
All questions were answered in an understandable way.
Feb. 29, 2020
My husband and I are so very grateful for the wonderful, expert care I received.
Feb. 28, 2020
Dr Thomas and his PA is the best. I have been a patient for four years and they always are so kind. They spend time with me and listen to my health needs and concerns.
Feb. 15, 2020
Dr Thomas is always thorough. He explains my test results, asks pertinent questions and makes appropriate recommendations.
Feb. 12, 2020
Could not believe how well this visit went.
Feb. 5, 2020
In comparison to the prior oncologist I saw, it was a extremely different (positive) experience.
Feb. 4, 2020
the entire staff of nurses, MA's, schedulers, physicians assistant and physician are all compassionate and are very knowledgeable they have many patients but all make each of us patients feel special
Jan. 28, 2020
Dr. Thomas and his team are very good at what they do. He always listen to me and gives me the truth on what will give me a chance to live better. I would recommend him to anyone.
Jan. 23, 2020
I was very impressed and amazed at how my appointment went. They all were very thorough in their expectations and answered my questions without leaving me doubt any of their findings. Thank you for the chance to give me a second opinion. Great experience.
Jan. 16, 2020
very friendly and helpful
Dec. 26, 2019
Dr. Thomas and the entire staff of the Faith clinic at the Froedert Cancer Center are the best. My visits there are always done with care and professionalism.
Dec. 19, 2019
Often, office appointments were made far in advance and then had to be changed to another date.
Dec. 11, 2019
Nov. 16, 2019
he saved my life
Nov. 1, 2019
always caring about my needs. the best!!!
Oct. 24, 2019
I absolutely love Froedtert and the care that I receive there.
Oct. 16, 2019
information to another clinic for medications always falls through the cracks. not sure which provider is at fault
Oct. 16, 2019
he is very empathetic towards me and I can tell that he has my best interest in mind to fight my cancer.
Oct. 13, 2019
Dr. Thomas is the Best! I always enjoy my time with him. I feel he treats me like a friend .
Sept. 28, 2019
Dr. Thomas, PA. and staff are wonderful, and caring
Sept. 26, 2019
At this time I feel I am receiving the best possible care.
Sept. 18, 2019
Dr. Thomas and his entire staff are wonderful. They saved my life!
Aug. 20, 2019
excellent doctor and staff