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John A. Charlson, MD

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Medical Oncology
4.9 (62)
Associate Professor
Accepting New Patients
Offers Virtual Visits

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Cancer Center - Froedtert Hospital 414-805-6800
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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
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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. 62 ratings, 20 reviews
Dec. 22, 2020
Dr. Charlson has been the best oncologist anyone could ask for. He has been up front with me about everything and feel like we bonded and have a special bond. For me when you have your Dr. tells you he admires you and that I'm very noble i think that explains it all
Dec. 15, 2020
very understanding and good lister.
Nov. 4, 2020
He is the BEST
Sept. 18, 2020
empathylisteningeye contact
Sept. 11, 2020
Dr. Charlson and his team are outstanding! My continued care at the Breast Care Center is top notch - from the front desk through to scheduling my appointment for next year. Kudos to the team there.
Aug. 19, 2020
Dr. Charlson is so kind and compassionate, since I am struggling with some issues not related to the reason I saw him for this appt.
July 29, 2020
Dr. Charlson is so easy to talk with. He was prepared for my visit. He really is a fine doctor and a doctor I have complete confidence in.
July 22, 2020
My provider took the time to listen to the health problems I was experiencing, gave recommendations for things to do to help, and trusted my opinion and input in putting together a plan to move forward. We arrived at a treatment plan as a team, I felt heard and understood, and of course, respected. I always feel that my provider cares about my physical and emotional well-being.
July 22, 2020
Dr. Charlson is very smart, very kind, very thorough and his follow up is always excellent. he is the best doctor I have ever experienced.
July 22, 2020
Dr Charlson has been my oncologist for the past 7 yrs He has always spent time with me going over many issues concerning my tx.He always returns my phone calls in a timely manner.He spends time explaining and answering any questions my family has.I have a high reguard and deep respect for Dr Charleston He has helped me thru some very dark times I would highly recommend Dr Charleston to my friends and family.
July 17, 2020
He always has concern for how I'm doing and is trying to help with my medical needs.
July 15, 2020
Dr. Charlson is an excellent physician for my breast cancer after-care. Really listens and cares about me.I skipped 2 questions...My check-up appt was scheduled1 year in advance. And my test results were discussed at the appt. Better than a phone call.
July 2, 2020
concern wants to find out questions we had
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.
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