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Due to inclement weather, all GSI Offices and Endoscopy Centers will be closed on Monday, 1/26/2026. 

We will be opening at 11am on Tuesday, 1/27/2026. Outpatient procedures and office appointments scheduled before 11am are being rescheduled. Please call our office at 804-285-8206 to schedule or reschedule your appointment as needed.

Utah Gastroenterology: St. Marks

Utah Gastroenterology: St. Marks

Monday – Thursday
8:30AM – 5:00PM

Friday
8:00AM – 4:00PM

Request An Appointment

Request An Appointment

If you are experiencing a medical emergency, please call 9-1-1. This form is intended for non-urgent appointment requests only. Our office will handle non-emergency requests within 48 hours.

Utah Gastroenterology: St. Marks
1187 East 3900 South, , Salt Lake City, UT 84124
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Our Providers

Robert S. Bridge Jr., M.D.

Gastroenterologist
 in Salt Lake City, UT
Meet Dr. Bridge

Nathan Kwak, M.D.

Gastroenterologist
 in Salt Lake City, UT
Meet Dr. Kwak

Christopher I. Maxwell, M.D.

Gastroenterologist
 in Salt Lake City, UT
Meet Dr. Maxwell

Pratishtha Singh, M.D.

Gastroenterologist
 in Draper, UT
Meet Dr. Singh

D. Brad Trowbridge, M.D.

GastroenterologistGovernor of West Division (UG-Utah)
 in Salt Lake City, UT
Meet Dr. Trowbridge

Rebecca Voaklander, M.D.

Gastroenterologist
 in Salt Lake City, UT
Meet Dr. Voaklander

Jason C. Wills, M.D.

Gastroenterologist
 in Salt Lake City, UT
Meet Dr. Wills

Valerie Charlton, P.A.-C

Physician Assistant
 in Salt Lake City, UT
Meet Valerie

Stephanie Glenn, N.P.

Nurse Practitioner
 in Salt Lake City, UT
Meet Stephanie

Allison Sabin, P.A.-C

Physician Assistant
 in Salt Lake City, UT
Meet Allison

Request An Appointment

If you are experiencing a medical emergency, please call 9-1-1. This form is intended for non-urgent appointment requests only. Our office will handle non-emergency requests within 48 hours.