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Dr. Gary L. Gerstner, MD


  • (262) 544-8622

Dr. Gerstner's Overview

Dr. Gary L. Gerstner graduated from the University of Wisconsin Medical School in 1976. He works in Brookfield, WI and specializes in Gastroenterology. Dr. Gerstner is affiliated with Waukesha Memorial Hospital and Wheaton Franciscan-Elmbrook Memorial Hospital.

Dr. Gerstner's Experience

Years in Practice: 39

Dr. Gerstner's Specialties


Dr. Gerstner's Education & Training

Medical School: University of Wisconsin Medical School; Graduated 1976

Dr. Gerstner's Rating

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Overall Rating


  • Explains conditions & treatments
  • Takes time to answer my questions
  • Provides follow-up as needed
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Dr. Gerstner's Accepted Insurance

  • Aetna Choice POS II
  • Aetna Managed Choice POS Open Access
  • Aetna Signature Administrators PPO
  • Anthem Blue Access PPO
  • Anthem Blue Priority X/Indiv DirectAccess WI
  • BCBS Blue Card PPO
  • CIGNA Open Access Plus
  • First Health PPO
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Dr. Gerstner's Office Information & Appointments

Office Locations

Gastroenterology Specialists
Gastroenterology Specialists SC

17000 W North Ave Ste 103E
Brookfield, WI 53005
(262) 544-8622


Office Hours and Information

Fax: (262) 544-8630

Practice Website:

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: Yes

Monday 9:00 AM - 5:00 PM
Tuesday 9:00 AM - 5:00 PM
Wednesday 9:00 AM - 5:00 PM
Thursday 9:00 AM - 5:00 PM
Friday 9:00 AM - 4:00 PM
Saturday Closed
Sunday Closed

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