Jack A. Collazzo, M.D. | Gastroenterology


Board Certified in 1998


Bryn Mawr Medical Arts Pavilion
825 Old Lancaster Road
Suite 340
Bryn Mawr, PA 19010

3855 West Chester Pike
Suite 340
Newtown Square, PA 19073

Fax: (610) 527-8805

Education & Training

Penn State University

Medical School
Medical College of Pennsylvania

University of Maryland Medical School

University of Maryland Medical School

Graduate Hospital of the University of Pennsylvania

Leadership Positions

President, Bryn Mawr Medical Specialists Association, 2020-present

BMMSA Endoscopy Center Medical Director, 2019-present

Main Line Health Physician Partners, Managing Committee 2020-present


Bryn Mawr Hospital – On staff since 2000

Lankenau Hospital – On staff since 2000

Paoli Hospital – On staff since 2000

BMMSA Endoscopy Center – On Staff since 2003

Clinical/Dept Titles

Attending Physician

Special Areas of Interest

Inflammatory Bowel Disease

Liver Diseases

Esophageal Disorders

Recent Clinical Studies Published

Collazzo J., Siddigui M., Deren J.: “A Case Report; Concomitant New Onset Ulcerative Colitis and Autoimmune Hemolytic Anemia in an 83 year old Female.” Am J of Gastro, Oct., 1996: 2236-37.

Collazzo J.: “The High Cost of Prostate Cancer.” Cortlandt Forum, Oct. 25, 1995: 76.


  • American Gastroenterological Association
  • Pennsylvania Society of Gastroenterology
  • American College of Gastroenterology
  • American College of Physicians


American Board of Internal Medicine, Gastroenterology, 1997

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