Our Providers

Digestive Disease Consultants offers patients and their referring physicians in the greater Orlando area the highest quality in state-of-the-art care for digestive and liver disorders in a comfortable, safe, and efficient environment. We provide specialized care using the latest in technology. Our team of highly skilled and board-certified doctors are award winning professionals in their field.

Barry R. Katz, M.D.

Dr. Katz received his Medical Doctorate from Case Western Reserve University in 1985.

Harry H. Shephard, M.D.

Dr. Shephard received his Medical Doctorate from Catholic University in 1985.

Raaj K. Popli, M.D.

Dr. Popli received his Medical Doctorate from the Medical College of Virginia in 1997.

Sanjay K. Reddy, M.D.

Dr. Reddy received his Medical Doctorate from the University of Miami in 1998.

Jorge Zapatier, M.D.

Dr. Zapatier received his Medical Doctorate from the University of Guayaquil in 2003.

Robert Shultz, D.O.

Dr. Shultzis is a graduate of the Kirksville College of osteopathic medicine.

Zachary I. Field, M.D.

Dr. Field received his Medical Doctorate from Florida State University College of Medicine.

Hanna R. Agard, MSN, APRN

Hanna R. Agard, MSN, APRN, earned her Bachelor of Science in Nursing and her Masters of Science in Nursing from the University of South Florida in Tampa, FL.

Jeanine Febres, MSN, APRN-C

Jeanine Febres, MSN, APRN-C, is a University of South Florida graduate of 2010 where she earned her Family Nurse Practitioner and Masters in Nursing Education degrees.

Naomi Ringer, APRN

Naomi Ringer, APRN is a graduate from the University of Central Florida for both her undergraduate and graduate studies.

Andrea Alegria Roa

Andrea Alegria Roa, APRN

Andrea Alegria Roa, APTN, FNP-BC holds a Master of Science in Nursing – Family Nurse Practitioner from the George Washington University and a Bachelor of Science in Nursing from the University of Chile.

Emeritus Physicians

David H. Lebioda, M.D.

Dr. Lebioda has retired from active practice.

Richard J. Straker, M.D.

Dr. Straker has retired from active practice.

Active Living with Digestive Health