Skip to main content
  • Medent Patient Portal
  • Contact Us
  • Appointments
    • Schedule Office Appointment
    • Schedule Colonoscopy
  • Patients
    • Symptoms & Diseases
    • Online Payments
    • Patient Forms
    • Patient Portal
    • Bowel Prep
  • Providers
  • Services
  • Locations
  • About
    • About Us
    • Testimonials
    • Insurance Plans
    • Affiliations
    • Employment
    • COVID-19
  • Medent Patient Portal
  • Contact Us

Providers

Filter By:
Medical Offices
Williamsville Wheatfield Orchard Park
Centers
Endoscopy Center of WNY, LLC Endoscopy Center of Niagara, LLC
Other Centers
Center for Ambulatory Surgery Millard Fillmore Surgery Center
Clear Filter

Our Physicians

Elizabeth Gregory, M.D.

Elizabeth Gregory, M.D.

Craig Keller, M.D.

Craig Keller, M.D.

Natalie Penn, M.D.

Natalie Penn, M.D.

Benjamin Schaus, D.O.

Benjamin Schaus, D.O.

Our Advanced Practice Providers

Matthew Eich, PA-C

Matthew Eich, PA-C

Alexandria Galluzzi, PA-C

Alexandria Galluzzi, PA-C

Williamsville

Wheatfield

Orchard Park

Endoscopy Center of WNY, LLC

Endoscopy Center of Niagara, LLC

Privacy Notice

© 2025 Gastroenterology Associates, LLP
Site by Ingenious, Inc.