Gastroenterology in Williamsport, PA - ProviderMatch - Geisinger
Gastroenterology • Williamsport, PA • Since 1915
Information from public sources; not independently verified. Confirm hours, insurance and appointment availability with the clinic.
Last gathered July 11, 2026. How our information is sourced · Report incorrect information
About
Geisinger Williamsport offers gastroenterology services as part of the Geisinger health system. While the page summary does not provide detailed provider listings for Williamsport, Geisinger is a major, value-based care system with multiple gastroenterology specialists and comprehensive GI care across its network, including 10 hospital campuses, Geisinger Health Plan, and extensive clinical research.
Services Offered
Not published.
Team
Insurance & Payment
Not published.
Languages Spoken
Not published.
Social Media
Photos
Photos published by Gastroenterology in Williamsport, PA - ProviderMatch - Geisinger showing the gastroenterology practice in Williamsport, PA.
What Patients Say
Overall sentiment across review platforms: positive
- Geisinger ProviderMatch (Dr. Marika Bergenstock): 4.9/5 (30 ratings)
- Geisinger ProviderMatch (Dr. Christine Shinyoung Hanna): 4.4/5 (52 ratings, 5 reviews)
- UPMC Provider Profile (Dr. Heather J. Gerst): 4.7/5 (189 ratings, 44 reviews)
Patients praise
- Compassionate and caring bedside manner
- Thorough explanations of conditions and treatments
- Knowledgeable and professional medical staff
- Good listener who addresses patient concerns
Common complaints
- Billing and cost concerns
- Communication issues with medication management
- Scheduling or surgical cancellation problems
"After my first visit she made me feel comfortable with my care being provided which is alot being said because since ive been diagnosed with cerohsis of the liver 3 years ago, ive been so scared. Dr Gerst made sure i understood everything i needed to regarding the info that we had at that time."
- WebMD (Dr. Heather J. Gerst)"This very sick gal had a wonderful experience with Dr Kumar & his team at UPMC Williamsport. Everyone was knowledgeable, kind & compassionate. I highly recommend Dr Kumar & his team."
- WebMD (Dr. Vivek Kumar)"So total cost of this 2 hour exam plus Colonoscopy proceedure is $ 17, 962.95...Insurance and I have paid $ 4, 474.16. Question? does this pass the Washington Post test I think they are a bit greedy."
- ComplaintsBoard (Geisinger Health System)Synthesized from public review platforms as of Jul 11, 2026 - sources: [1][2][3][4].
In the News
- Dr. Heather J. Gerst, DO - Lock Haven, PA - Find a UPMC Provider - Aug 19, 2025
- Ashley P. Knight, PA-C - Lewisburg, PA - Gastroenterology - Book Appointment - May 5, 2026
- Kyle Curtis Maza, PA-C - Danville, PA - Gastroenterology - May 19, 2026
- Gastroenterology in Montoursville, PA' - ProviderMatch - Geisinger - Feb 27, 2026
- Theresa A Palko, CRNP - Danville, PA - Gastroenterology Nutrition - May 6, 2026
Information sourced from the clinic's website as of July 11, 2026.
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