Mousab Tabbaa, M.D.
President, North Shore Gastroenterology

Assistant Clinical Professor
Of Medicine, Ohio University

Assistant Clinical Professor
Of Medicine, CWRU (1991-2002)

Diplomate of the American Board of Internal Medicine
Gastroenterology
Internal Medicine

Education
Doctor of Medicine: University of Damascus, Syria

Post-graduate Training
Internal Medicine: Cleveland Metropolitan General Hospital
Gastroenterology Fellowship: Cleveland Metropolitan General Hospital

Special Interests
Management of hepatobiliary disease and hepatic disorders
Pancreatobiliary Endoscopy
Inflammatory Bowel Disease
Colorectal Cancer Screening and Detection

Peter Greenwalt, M.D.

Diplomate of the American Board of Internal Medicine
Gastroenterology
Internal Medicine

Education
Undergraduate: Yale University,
Doctor of Medicine: Case Western Reserve University

Post-graduate Training
Internal Medicine: University of Washington Affiliated Hospitals
Gastroenterology Fellowship: Cleveland Clinic Foundation

Special Interests
Practice of gastroenterology with clinical teaching
Colonoscopy, polyp removal, upper endoscopy

James Harris, M.D., F.A.C.G.

Diplomate of the American Board of Internal Medicine
Gastroenterology
Internal Medicine

Education
Doctor of Medicine: Ohio State University

Post-graduate Training
Internal Medicine: Cleveland Clinic Foundation
Gastroenterology Fellowship: Cleveland Clinic Foundation

Michael Springer, M.D.

Diplomate of the American Board of Internal Medicine
Gastroenterology
Internal Medicine

Education
Doctor of Medicine: University of Iowa School of Medicine

Post-graduate Training
Internal Medicine: Cleveland Metropolitan General Hospital
Gastroenterology Fellowship: Cleveland Metropolitan General Hospital

Karl de Haan, M.D.

Diplomate of the American Board of Internal Medicine
Gastroenterology
Internal Medicine

Education
Doctor of Medicine: Freie Universität Berlin West

Post-graduate Training
Internal Medicine: Cleveland Clinic Foundation
Gastroenterology Fellowship: Cleveland Clinic Foundation

Special Interests
Colorectal Cancer screening
Capsule Endoscopy of the Small Bowel

Iqbal, Ahmed, M.D., F.A.C.G.

Diplomate of the American Board of Internal Medicine
Gastroenterology
Internal Medicine

Education
Doctor of Medicine: Government Medical College, Patiala, India

Post-graduate Training
Internal Medicine: Government Medical College, Patiala, India
Gastroenterology Fellowship: University of Ottawa, Ontario, Canada

Jason Vollweiler, MD

Diplomate of the American Board of Internal Medicine
Gastroenterology
Internal Medicine

Education
Doctor Of Medicine: Northwestern University Medical School

Professional Memberships
American College of Gastroenterology and the American Society of Gastrointestinal Endoscopy

Newton
Muthunayagam, MD

Diplomate of the American Board of Internal Medicine
Gastroenterology
Internal Medicine

Education
Bachelor of Medicine / Bachelor of Surgery (MBBS) – Trivandrum, Kerala, India

Post Graduate Training
Doctor of Medicine Internal Medicine (MD) -
Kasturba Medical College, India
Doctor Of Medicine, Gastroenterology (DM) -
Madras Medical College, India
Residency - Texas Tech University Health Science Center
Gastroenterology Fellowship – University of Cincinnati
Pancreatology and Advanced Endoscopy Fellowship - University of Cincinnati

Special Interests
GI oncology, Pancreatic diseases, ERCP, Spy Glass, Endoscopic Ultrasound, Functional bowel diseases

Robert F. Straub , MD

Diplomate of the American Board of Internal Medicine
Gastroenterology
Internal Medicine

Education
Doctor of Medicine: Medical College of Ohio

Post-graduate Training
Internal Medicine: Emory University School of Medicine
Gastroenterology Fellowship: Emory University Hospital

Special Interests
Colonoscopy, polyp removal, upper endoscopy
Inflammatory Bowel Disease
Colorectal Cancer Screening and Detection

Owen Tully, MD

Diplomate of the American Board of Internal Medicine
Internal Medicine

Education
Doctor of Medicine: Thomas Jefferson University

Post-Graduate Training
Internal Medicine:  Lakenau Medical Center
Gastroenterology Fellowship:  Lakenau Medical Center

Special Interests
IBD, Celiac Disease, Hepatitis-C, Barrett’s Esophagus, GERD

Gabriella McCarty, RN, MSN, NP-C

Education
Kettering College of Medical Arts 1998, RN, ADN
Bowling Green State University , 2001, BSN
Case Western Reserve University, 2004, MSN, NP-C

Special Interests:
Enjoys all aspects of gastroenterology, but especially Hepatitis C, as well as IBD, IBS, and esophageal disorders

Professional Memberships:
American College of Gastroenterology
American Academy of Nurse Practitioners
Ohio Association for Advanced Practice Nurses

Debra Calabrese, M.Ed.,
PA-C

Education:
PA degree-training from Cuyahoga Community College
PA·C through NCCPA
Bachelors/Masters Degree In education/sciences from Cleveland State University

Professional Memberships:
Member OAPA, NCCPA Certified

Special Interests:
IBS and nutrition
Speaker's Bureau for MPA

Mary Kortan, M.Ed., PA-C

Education:
BA Psychology Case Western Reserve University
University of Lancaster, Lancaster, England
M.Ed., Exercise Science/Sports Management, Cleveland State University
A.S. Physician Assistant Studies, Cuyahoga Community College, Cleveland, Ohio
Hepatology Fellowship, Metro Health Medical Center, Cleveland , Ohio

Professional Memberships:
American Association of Physician Assistants (AAPA), Ohio Association of Physician
Assistants (OAPA), GI Physician Assistants (GIPA),
American Association for the Study of Liver Disease (AASLD)

Special Interests:
Liver disease , particularly Hepatitis C

Education:
Bachelor of Science:  Slippery Rock University
Physician Assistant Studies:  Cuyahoga Community College

Professional Memberships:
NCCPA
AAPA

Special Interests:
GI Malignancies
Palliative Medicine

Namrata Kumar, MS, PA-C

Education:
Masters of Science
Physician Assistant Studies – Daemen College Buffalo NY
Bachelor of Medicine, Bachelor of Surgery (MBBS) – SCB Medical College, India
Post Sophomore Fellowship – Rosswell Cancer Institute, Buffalo, NY

Professional Memberships:
Ohio Associates of Physician Assistants (OAPA)
American Association of Physician Assistants (AAPA)

Special Interests:
Ulcerative Colitis and Inflammatory Bowel Disease
Irritable Bowel Syndrome
Hepatitis C
General Gastroenterology

Francine Cernanec, RN, MSN, NP-C

Education
Bowling Green State University/Medical College of Ohio, BSN
Kent State University, MSN, NP-C
Board Certified Researcher

Special Interests
Liver Diseases, Hepatitis-B and C, IBD

Professional Memberships
AANP, OAANP, AGA