Ninth Street Medical Center
310 West Ninth Street
Frederick, MD 21701
(301) 695-6800

Frederick Gastroenterology Associates

All our professionals at Frederick Gastroenterology Associates maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in gastroenterology.


Carmen R. Hernandez, MDCarmen R. Hernandez, MD

Medical Degree: New York University
Residency: Medical College of Virginia
Fellowship: Medical College of Virginia




Sean E. Hunt, MD
Medical Degree: University of Maryland
Residency: Thomas Jefferson University
Fellowship: University of Connecticut





P. Tina Sukumar, MD
Medical Degree: University  of Madras, India
Residency: University of Rochester
Fellowship: State University of New York Syracuse

Matthew Yeatman, MD
Medical Degree: University of Maryland
Residency: Johns Hopkins Hospital
Fellowship: Johns Hopkins Hospital


Rohini Bhatia, MD
Medical Degree: University California San Franciso
Residency: Massachusetts General Hospital
Fellowship: Stanford University





Dawei Yang, MD, Phd
Medical Degree: Case Western Reserve
Residency: Case Western Reserve
Fellowship: Johns Hopkins Hospital




Gordon Liss, MD
Medical Degree: Georgetown University
Residency: Georgetown University Hospital
Fellowship: Georgetown University Hospital







Ali J. Husain, MD

Rhodes Scholar: Balliol College
Medical Degree: Washington University, St. Louis
Residency: Stanford University
Fellowship: University of Iowa Hospital



Thomas A. Huebner, M.D.

Medical Degree: Eastern Virginia Medical School
Pathology Residency: University of Maryland
Pathology Fellowship: Johns Hopkins Hospital



Health Professionals

Carolyn J. Hedin, CRNP-A
Nursing Degree: Loma Linda University
Nurse Practitioner: The George Washington University




Colette L. Benton, CRNP
Nursing Degree:University of Maryland
Nurse Practitioner: University of Maryland



Janet Dakers-Bidle, CRNP
Nursing Degree: University of Maryland
Nurse Practitioner: University of Maryland



Kelly Hausenbauer, PA-C
Undergraduate Degree: Carleton College
Physician's Assistant: The George Washington University