SSM Health Dean Medical Group
William Ranum, MD
Emergency Medicine, Family Medicine
SSM Health Dean Medical Group
1300 S. Century Ave. Waunakee, WI 53597
William Ranum is a board certified family medicine physician. He obtained his undergraduate degree from the University of Wisconsin-Madison and earned his medical degree from the University of Wisconsin School of Medicine and Public Health-Madison. He completed his internship and residency at the University of Wisconsin - SSM Health St. Mary's Hospital-Madison.
Ranum's practice is focused on continuity of care and obstetrical care. He provides low-risk prenatal care until 32 weeks - no deliveries.
Dr. Ranum is board certified by the American Board of Family Medicine.
Ranum's practice is focused on continuity of care and obstetrical care. He provides low-risk prenatal care until 32 weeks - no deliveries.
Dr. Ranum is board certified by the American Board of Family Medicine.
About Me
Specialties
Emergency Medicine
Family Medicine
Gender
Male
Education
UW Hospital Graduate Medical Education
Residency, 1990
UW Hospital Graduate Medical Education
Internship, 1988
University of Wisconsin School of Medicine and Public Health
Medical School, 1987
Hospital Affiliations
SSM Health St. Mary's Hospital - Madison
Certifications
Drug Enforcement Administration
Wisconsin Medical Examining Board
Medical Interests
Obstetrical care
Primary care
Reviews
Rating Breakdown
Reviews are measured on a scale of 1 to 5, with 5 being the best score.
Question Breakdown
4.9Overall Experience5.0Listened Carefully4.9Explained Things Clearly4.9Knew Medical History4.9Involved in Care Decisions5.0Showed Courtesy & Respect
Patient Reviews
SSM Health only displays patient satisfaction data for providers included in our survey process and who have a minimum of 30 returned surveys. The overall rating is an average of all responses to the survey questions listed below. The ratings and comments submitted by patients reflect their own views and opinions. Patient identities are withheld to ensure confidentiality and privacy. Learn more about our survey.
4.9 out of 5
180 ratings,
86 reviews
7/13/2026
Dr. Ranum is a very knowledgeable and compassionate doctor I would highly recommend him to friends and family.
7/10/2026
Dr Ranum has been my doc for 20 years. He is very nice, friendly, compassionate, and extremely knowledgeable!
7/9/2026
A good Doc. I wish it weren't so difficult to get an appt with him.
6/28/2026
HUMOROUS AND PRESENTED HIMSELF AS A VERY CARING DOC.
6/25/2026
Dr. Ranum is an outstanding physician, the best at what he does. His compassionate care, and professionalism are truly an asset that everyone who works with him, or a patient can enjoy.
Map & Directions
SSM Health Dean Medical Group
1300 S. Century Ave.Waunakee, WI 53597
Mon
8:00 am - 5:00 pm
Tue
8:00 am - 5:00 pm
Wed
8:00 am - 5:00 pm
Thu
8:00 am - 5:00 pm
Fri
8:00 am - 5:00 pm
Sat
Closed
Sun
Closed
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