Internal Medicine in Madison, WI - Find a Physician or Specialist

Internal Medicine • Madison, WI

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About

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Clinic Type

Internal Medicine

Address

345 West Washington Avenue, Suite 100, Madison, WI 53703

Phone

5152418199

Email

UPH_CentralIAPrivacyOfficer@unitypoint.org

Opening Hours

Not published — contact the clinic to confirm hours.

Website

https://doctors.unitypoint.org/specialty/Internal%20Medicine/near/Madison%2C%20WI?page=1

Services Offered

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Team

Rebecca Kellum, MD — Internal Medicine physician
Robert B. Hegeman, MD — Physician
Shannon O. Smith, MD — Physician
Elizabeth George, MBBS — Physician
Philip N. Zimmermann, MD — Physician
Jason A. Dambach, MD — Physician
Deborah K. Boushea, MD — Physician
Daniel E. Cole, MD — Physician
Deborah B. Ehrenthal, MD — Physician
Sana M. Salih, MBBS — Physician
Christine M. Nardi, DO — Physician
Gloria U. Song, MD — Physician

Insurance & Payment

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Languages Spoken

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Social Media

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Photos

What Patients Say

Overall sentiment across review platforms: mixed

Ratings.MD (Peggy J Simpson, MD): 4.9/5 (177 ratings)
Ratings.MD (Orest I Kostelyna, MD): 4.9/5 (189 ratings)
Ratings.MD (Margaret J Punt, MD): 4.9/5 (176 ratings)
Ratings.MD / SSM Health (Nancy Y Huang, MD): 4.9/5 (256 ratings)
SSM Health (David Cooper, MD): 4.8/5 (195 ratings)
Healthgrades (Dr. Deborah Williams, MD): 5.0/5 (7 ratings)
Vitals (Dr. Elizabeth George, MD): 2.0/5 (33 reviews)

Patients praise

Highly knowledgeable, thorough, and professional physicians
Strong patient-provider communication, including active listening and shared decision-making
Compassionate, caring, and trustworthy care
Efficient, friendly, and helpful support staff in specific practices

Common complaints

Difficulty or long wait times for appointments
Perceived lack of concern, poor communication, or dismissive attitudes from some providers
Frustration with medical billing, coding issues, and administrative processes
Inconsistency in quality of care and staff professionalism

"He is the best internal medicine physician I have worked with in my 60+ years. He is caring, smart, and professional, while also being relatable."

— Ratings.MD (Orest I Kostelyna, MD)

"I felt embarrassed asking her things as her answers always seemed almost defensive and condescending. Only appointment with her felt very rushed and felt like she didn’t care."

— Vitals (Dr. Elizabeth George, MD)

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026. Own this clinic? Claim or correct this listing.