Summary

Dr. Gary Gerstner specializes in gastroenterology and internal medicine, bringing more than five decades of medical expertise to patient care. He earned his medical degree from the University of Wisconsin School of Medicine & Public Health and completed his residency at the Medical College of Wisconsin. With 54 years of experience treating digestive health conditions, Dr. Gerstner serves patients who speak both English and Spanish.

Dr. Gerstner practices at multiple locations throughout Wisconsin, including Franklin, Mount Pleasant, and Waukesha. He is affiliated with HSHS Saint Clare Memorial Hospital and provides care through various Ascension Medical Group locations. His clinical focus includes treating ulcerative colitis, acid reflux, and GERD. Patients have given him an average rating of 3.3 out of 5 on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.3
  • 54 years of experience
  • 4 insurance plans accepted
  • speaks English, Spanish
  • Medical College Of Wisconsin
  • 4 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 7 office locations
  • Male

Office Locations

Dr. Gary Lee Gerstner has 7 locations

Ascension Medical Group At Franklin Medical Office Building Internal Medicine

9969 S 27th StFranklin, WI 53132
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Wheaton Franciscan Medical Group

9969 S 27th St Fl 2Franklin, WI 53132
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Ascension All Saints Specialty Care Center Gastroenterology

3811 Spring St Ste 202Mount Pleasant, WI 53405
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Gi Associates

1111 Delafield St Ste 212Waukesha, WI 53188

Ascension All Saints Hospital Spring Street Campus

3801 Spring StMount Pleasant, WI 53405

Ascension Wisconsin Hospital Waukesha Campus

2325 Fox Run Blvd Ste 100Waukesha, WI 53188

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Dr. Gary Lee Gerstner, MDDr. Amin Rmeileh, MDDr. Pedro Daniel Salinas, MDDr. Ashima Synghal Sahni, MD
GastroenterologyInterventional CardiologyCritical Care MedicineCritical Care Medicine
Accepts New Patients Accepts New Patients
3.3 
54 Years of Experience 12 Years of Experience 24 Years of Experience 19 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks Spanish, English
Franklin , WIPleasant Prairie , WIMilwaukee , WIChicago , IL
Med School: University Of Wisconsin School Of Medicine & Public Health Med School: Nova Southeastern University College Of Osteopathic Med School: Universidad De Monterrey Facultad De Medicina Med School: Government Medical College Chandigarh
Current Profile
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Insurance Plans Accepted by Dr. Gary Lee Gerstner

  • Blue Cross Blue Shield
  • Medicare
  • Medicare - Medicare
  • Molina Healthcare

Medical Specialties

Dr. Gary Lee Gerstner has the following 2 specialties

Specialty Expertise

Dr. Gary Lee Gerstner has the following 11 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

54 Years Experience

EDUCATION & TRAINING

Residency

Medical College Of Wisconsin

Medical School

University Of Wisconsin School Of Medicine & Public HealthGraduated in 1976
University Of Wisconsin School Of Medicine And Public HealthGraduated in 1972

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Frequently Asked Questions

Where is Dr. Gary Gerstner's office located?
Dr. Gary Gerstner's office is located at 9969 S 27th St, Franklin, WI, 53132.
What languages does Dr. Gary Gerstner speak?
Dr. Gary Gerstner speaks English and Spanish.
Is Dr. Gary Gerstner accepting new patients?
Dr. Gary Gerstner is accepting new patients on Vitals. View Dr. Gary Gerstner's profile on Vitals to make an appointment.
How can I make an appointment with Dr. Gary Gerstner?
You can find contact information for Dr. Gary Gerstner here on Vitals.
Which hospitals is Dr. Gary Gerstner affiliated with?
Dr. Gary Gerstner is affiliated with Hshs Saint Clare Memorial Hospital.

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