Huntsville Hospital Digestive Disease Center

420 Lowell Drive, Suite 204 • Huntsville, AL 35801 • (256) 536-9031
8371 Highway 72, Suite 101 • Madison, AL 35758 • (256) 817-5835
1100 S. Jackson Highway, Suite 100 • Sheffield, AL 35660 • (256) 314-2550
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Physicians and Providers

Prasad Vankineni, MD
Prasad Vankineni, MD, FACP
Suresh Karne, MD
Suresh Karne, MD, PhD
Jason Kinzel, MD
Jason Kinzel, MD
Rami Hawari, MD
Rami Hawari, MD
Joseph Brasco. MD
Joseph Brasco, MD
Keta Vaidya, MD
Keta Vaidya, MD
M. Arsalan Siddiqui, MD
M. Arsalan Siddiqui, MD
Ericka Hopkins, CRNP
Ericka Hopkins, CRNP

Prasad Vankineni, MD, FACP, has been a gastroenterologist in Huntsville since 1983. He completed his residency and fellowship at Cook County Hospital in Chicago.

Suresh Karne, MD, PHD, completed his gastroenterology residency training at Yale University School of Medicine. He has provided gastroenterology care in Huntsville since 2001.

Jason Kinzel, MD, is originally from Boston, Massachusetts. He completed his gastroenterology Fellowship at Yale-New Haven Hospital. He has been providing gastroenterology care in Huntsville since 2013.

Rami Hawari, MD, attended medical school at Jordan University of Science and Technology. He completed his gastroenterology fellowship training at the University of Texas Medical Branch at Galveston.

Joseph Brasco, MD, attended medical school at Medical College of Wisconsin. He completed his internal medicine residency and gastroenterology fellowship at the University of Illinois in Chicago.

Keta Vaidya, MD, attended medical school at Drexel University in Philadelphia, then completed a residency at Boston University Medical Center and a fellowship at Yale School of Medicine.

Mohammad A. Siddiqui, MD, attended medical school at Dow Medical College. He completed his gastroenterology and hepatology fellowship at the Henry Ford Hospital in Detroit. 

Huntsville Hospital Digestive Disease Center has been serving North Alabama for more than 30 years. Since 1983, DDC has been a proud member of the American Board of Internal Medicine and Gastroenterology where certified membership is recognized throughout the world as signifying a high level of physician competence. We would like to extend our most heartfelt thanks to the community and loyal patients who have helped us grow and expand to better serve you.


  • Colon Cancer screening
  • Digestive disorders
  • Esophageal conditions
  • Gallbladder problems
  • Liver diseases
  • Pancreatic disease
  • Stomach disorders
  • Hepatitis C treatment

Scheduling appointments

Office visits are by appointment only. Appointments may be scheduled by contacting the clinic at (256) 536-9031. Be prepared to provide:

  • Current insurance information
  • Mailing address
  • Daytime/evening/cell phone numbers

On the day of your appointment, please allow time for registration. In addition, please bring the following items to your appointment:

  • Current insurance card and photo identification
  • Current medications or a complete list of medicines with doses, including all over-the-counter medications, herbs and vitamins
  • Method of payment

Canceling appointments

To cancel an appointment, please notify the clinic at least 24 hours in advance. This is an important courtesy to others waiting to schedule an appointment.


Most insurance policies are accepted including Medicare, Medicaid, Tricare and Blue Cross/Blue Shield.