Troy Gastroenterology, P.C.

Center for Digestive Health, P.C.

Troy Gastroenterology, PC.
Also known as: Center for Digestive Health

4600 Investment Drive
Suite 380
Troy, MI 48098


(248) 844-9710


(248) 267-5026

Visit the Center for Digestive Health Website


Sante D. Bologna, MD, FACP
John R. Weber, MD
Richard T. Willie, MD
Partha S. Nandi, MD, FACP
Emin Donat, MD, FRCPC
Leonard G. Quallich, MD
Anezi E. Bakken, MD, MS
Amir Abadir, MD, FRCPC
Jack Tocco, DO
Ihab Hammond, MD, FACG

Other Locations

Research Department of Troy Gastroenterology, P.C.
4550 Investment Drive, Suite 260
Troy, MI 48098

For more information, please contact us at or call (248) 267-8485.

We also offer infusion services at our Wellpointe location:

Infusion Centers of Michigan
1701 E. South Blvd, Ste 310
Rochester Hills, MI 48307
For more information on our infusion services, call (248) 844-9710 ext. 8890

About Troy Gastroenterology, P.C.

Our Vision: Improve our patient’s health by providing the highest quality gastroenterology care in Southeast Michigan.

Our Mission: To be recognized as a premier practice of gastroenterology services. We will strive to be known for our extensive medical expertise, effective medical solutions and compassionate, patient-centered digestive care.

Our Physicians, Physician Assistants and Nurse Practitioners specialize in the evaluation, diagnosis, and management of all diseases and disorders affecting the digestive system. This includes diseases of the esophagus, stomach, small intestine, colon, anus, liver, gallbladder, bile ducts, and pancreas. We offer in-office consultation, hospital care and a full range of diagnostic and therapeutic procedures.