Srinivas Kalala, MD, FACG, AGAF

Mary C. Nading, PA-C is a Physician Assistant at Cedar Valley Digestive Health Center located on 1015 S Hackett Road in Waterloo, Iowa. She received her undergraduate education from the University of Northern Iowa in Cedar Falls, and she received her graduate education from the University of Iowa Carver College of Medicine in Iowa City. Her professional interests include orthopedics, sports injuries, bone health, and D.O.T Physicals.

Patients have trusted the specialists at Cedar Valley Digestive Health Center since 1989 for the treatment of digestive disorders and diseases. With a staff of nearly 50 professionals - including 4 gastroenterologists, 3 nurse practitioners, and multiple registered nurses, patient care coordinators, endoscopy technicians and other dedicated professionals - we have more than 12,000 office visits and perform more than 7,400 procedures each year! Patients commonly see us when irregular digestive symptoms arise including heartburn, constipation, abdominal pain, ulcers, or other stomach or bowel-related issues. Depending on the diagnosis and the patient, we develop a treatment plan that may include medication, therapies or sometimes surgeries. Common procedures performed include colonoscopies, endoscopies, and treatments for gallstones, reflux, irritable bowel syndrome (IBS), Crohn's, hemorrhoids, and Hepatitis C.

Richard Manfready, MD studied for his medical degree at Tufts University School of Medicine in Boston, Massachusetts and graduated in 2017. He completed his residency at Icahn School of Medicine in 2020 and his fellowship at Rush University in 2023. He is board certified in Internal Medicine and is board eligible for Gastroenterology from the American Board of Internal Medicine.