About the Practice
Office Visit Hours
Test Instructions
Driving Directions

M. A. ZEB, M.D.

Dr. Zeb is dual board certified in cardiology and internal medicine and currently holds hospital privileges at Hunt Regional Medical Center.  After graduating from Dow Medical College in Karachi, Pakistan, he completed his internal medicine residency at St. Elizabeth Hospital, New Jersey and then completed his fellowship in cardiology at the VA Medical Center, Albany, NY.  He has been practicing in Greenville since 1984 in all aspects of internal medicine and cardiology including congestive heart failure, hypertension, diabetes, cholesterol disorder, vascular disease and surgical clearance.  He is a member of the American College of Cardiology, American College of Nuclear Cardiology, Texas Medical Association and American College of Cardiology.  At Presbyterian Hospital of Greenville, he served as Chief of Medicine 1998-2002.  He also served on the Radiation Safety Committee 1992-1993, Executive Committee 1995-1997; 1998-2002, and E.D. and Trauma Committee 1997-1998. He was Medical Director of Cardiopulmonary/Cardiac Rehab 1998-2001, ICU 1997-1998; 2003-2005 and Telemetry 2003-2005.  He is married with two sons and two daughters.  In his spare time, he enjoys  traveling, spending time with his family, watching movies and studying religion and the Middle East. 

Deanna Grandstaff PA-C

Deanna Grandstaff, PA-C is a board certified physician assistant who practices cardiology and internal medicine.  Her clinical focus is heart disease prevention.   She attended undergraduate school at Dallas Baptist University where she earned her Bachelor of Science degree in Biology and a minor in Chemistry.  She then attended Hahnemann University Physician Assistant program in Philadelphia, PA where she earned her degree as a Physician Assistant in 2001.  Since graduating, she has worked in cardiology for 10 years.   She resides in Rockwall and in her spare time, she enjoys renovating her 130 year old Victorian house, being with family and friends and walking her two dogs.