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Rita L. Ritsema, M.D.



  • Gastroenterology

    Board Certified in 1986
  • Internal Medicine

    Board Certified in 1989


301 West Chester Pike
Suite 204
Havertown, PA 19083

Phone: (610) 525-9570
Fax: (610) 527-8805

Education & Training

Medical School

Boston University School of Medicine, Boston, MA.


Thomas Jefferson University Hospital, Philadelphia, PA


Thomas Jefferson University Hospital, Philadelphia, PA


  • Bryn Mawr Hospital
  • Lankenau Hospital
  • Paoli Hospital
  • BMMSA Endoscopy Center

Societies & Memberships

  • American College of Physicians; 1989
  • American Gastroenterological Association; 1987

Teaching & Research

  • Clinical Instructor of Medicine
    Thomas Jefferson University Hospital, Philadelphia, PA. July 1,1986 to July 1,1987
  • Undergraduate Distinction Work in Biology (Comparative Endocrinology)
    Boston University: Sept 1,1977 to May 20,1979
    Advisor: Ian P. Callard, PhD.
  • National Science Foundation Undergraduate Research Participation Program
    Boston University: August 15,1978
    “Evolution of Hormonal Control of Vertebrate Reproduction” ( Dr. Ian P. Callard, Advisor)
  • Laboratory for Human Reproduction and Reproductive Biology
    Harvard Medical School, Boston, MA: June 1,1979 to Sept 1,1980
    Advisor: Robert E. Carraway, PhD


Carraway, R.E., Ruane, S.E., Ritsema, R.L. “Radioimmunoassay For Lys8, Asn9,Neuotensin 8-13: Tissue and Subcelluar Distribution of Immunoreactivity in Chickens.” (Submitted to the Journal of Biological Chemistry, June, 1982).

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