John A. Charlson, MD

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Medical Oncology
4.9 (60)
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Associate Professor
Accepting New Patients
Offers Virtual Visits

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Cancer Center - Froedtert Hospital (414) 805-6800


Diseases & Conditions

Solid Malignancies

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 Affiliated Hospitals - Milwaukee - Fellowship in Oncology - (2005-2007)

Medical College of Wisconsin Affiliated Hospitals - Milwaukee - Residency in Internal Medicine - (1999-2002)

Medical College of Wisconsin Affiliated Hospitals - Milwaukee - Chief Resident - (2002-2003)

University of Iowa - Iowa City - Doctor of Medicine - (1999)

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. 60 ratings, 15 reviews
June 29, 2020
He knows his stuff!!
June 18, 2020
Dr Charlson and his staff our phenomenal.
May 29, 2020
They have always been sincere and caring.
May 27, 2020
Dr. Charlson is a knowledgeable, dedicated and compassionate physician.
April 9, 2020
He knows my history and always take the time to go over and explain treatment options He has been my oncologist for the past 8 years and I wouldn't want anyone else directing my care He is the Best
April 7, 2020
Has been with me every step in my cancer journey. More than I every imagined. His office is part of my family.
Jan. 29, 2020
Provider was up to date with my medical Provider was up to date with my medical condition and lab results. Provider listened to my issues was upbeat and encouraging. I felt very comfortable talking with this provider and that I could call or use MyChart at anytime if something bothered or came up with my medical condition.
Jan. 21, 2020
Dr. Charleson is an excellent doctor; he's knowledgeable and caring.
Jan. 10, 2020
dr and nurse practitioners excellent
Jan. 8, 2020
best Dr and staffing have ever worked with
Dec. 25, 2019
Very caring doctor who helped rid my body of cancer. out 5 years now.
Dec. 22, 2019
honest and professional; listens well; very present
Nov. 6, 2019
I always appreciate the concern and care I receive.Dr. Charlson, Julie and Jan are very helpful and make me feel comfortable during appointments. I am blessed to have them on my team!
Oct. 9, 2019
have always experienced exceptional care from this provider and his staff
Sept. 30, 2019
I have called several times with questions s about health issues and they always get me to see me and care for me.