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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.

Abbie Siebenhaar

, P.A.-C

Physician Assistant

About Abbie Siebenhaar, P.A.-C

UNDERGRADUATE EDUCATION
Brigham Young University

MASTER’S DEGREE
A.T. Still University, Mesa, Arizona

BOARD-CERTIFIED
Physician Assistant – Certified, National Commission on Certification of Physician Assistants

SPECIAL INTERESTS
Liver, Hepatitis C, Cirrhosis, Gastroesophageal Reflux Disease, Inflammatory Bowel Disease

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.