discover the digestive system

About Us

Buffalo Gastroenterology Associates, LLP was formed in 1995. The practice has grown from a small office to a 7 physician group. We provide a wide range of GI services and participate in most health insurance plans.

The Physicians of Buffalo Gastroenterology:

  • Albert Diaz-Ordaz, M.D.
  • Ronald J. Eckert, M.D.
  • Mark St. Marie, M.D.
  • Kevin T. Robillard, M.D.
  • Dorothy L. Trubish, M.D.
  • Timothy R. Wacker, M.D.
  • Michael W. Wood, M.D.

Physician Extenders:

  • Tara Brewer, P.A.
  • Mary Ciechoski, N.P.
  • Susan Kreppel, N.P.
  • Janice McNaughton, N.P.
  • Marcia Roth, N.P.
  • Anthony Stockus, P.A.

Procedures are performed at the following locations:

WNY Ambulatory Surgery Center
550 Orchard Park Road, Suite A102
West Seneca, NY 14224
Phone: (716) 677-6501
Fax: (716) 677-4706
Sterling Medical Park
303 Sterling Avenue
Orchard Park, NY 14127
Phone: (716) 712-0600
Fax: (716) 712-0601

Hospital Affiliations:

South Buffalo Mercy Hospital
565 Abbott Road
West Seneca, NY 14224
Phone: (716) 826-7000