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Advocate Medical Group Endocrinology - Wheaton, IL - 60187

EndocrinologyWheaton, IL

★★★★☆4.0/5116 reviews across 4 platforms

Ratings by platform

  • US News Health (for Dr. Zeller): 4/5 (46 reviews)
  • WebMD (for Dr. Zeller): 4.5/5 (28 ratings)
  • Vitals (for Dr. Zeller): 3.8/5 (25 ratings)
  • Healthgrades (for Dr. Zeller): 3.7/5 (17 ratings)

What patients say

Patients praise

  • kind, patient, and friendly bedside manner from certain providers like Dr. Zeller
  • thorough explanations of medical conditions and treatments
  • effective communication with both adult and pediatric patients

Common complaints

  • long wait times for appointments
  • scheduling and administrative issues, including appointment changes and difficulty reaching the office by phone
  • some patients reported negative bedside manner or feeling dismissed by providers
  • concerns about insurance acceptance and communication regarding coverage

In patients' words

"Dr. Zeller is kind and patient. He took the time to explain things to myself and my child (the patient). The hype is correct. He is worth it. Highly recommend."

WebMD User Review (2023)

"This is the worst office experience I have ever had in my life. They changed my daughter’s appointment 2 times due to their staffing issues. As a result, my daughter was 8 weeks late from her original appointment time and then a day before we were finally set for our appointment I received a letter in the mail saying they no longer accept our insurance and couldn’t help us out."

WebMD User Review (2022)

"When Dr. Stein came into the room he told me he didn't know why I was there... When I asked him what the modules were and if they needed treatment he said that this was "a waste of time" that he "didn't have." With that he left the room. The whole visit was <5 min. He didn't even examine me."

Vitals User Review (2013)

How these reviews were compiled

Synthesized from public patient-review platforms as of Jul 11, 2026 — sources: [1][2][3][4][5].

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