Pinnacle Internal Medicine

George H. Gleeson, M.D.

Bernadette G. Harris, M.D.

Elmer J. Holzinger, M.D.

Louis E. Leff, M.D.

Ronnie C. Parker, M.D.

James R. Sahovey, M.D.

Adam E. Sohnen, M.D.

Jessica L. Davis, CRNP


George H. Gleeson, M.D. received his undergradute degree from the University of Pittsburgh and his medical degree from Hahnemann Medical College.

Dr. Gleeson completed his Internal Medicine Residency and Internship at St. Francis Medical Center.

Dr. Gleeson is board certified in Internal and Geriatric Medicine from the American Board of Internal Medicine.

Professional Organizations:
Dr. Gleeson has admitting privileges at UPMC Shadyside hospital. He is a member of :

-The American Medical Association
-The Allegheny County Medical Society
-The Pennsylvania Medical Society
-Fellow, American College of Physicians/American Society of Internal Medicine
-The American Geriatric Society
-The Pennsylvania/West Virginia Affiliation American Geriatric Society

Appointments and Positions:
Dr.Gleeson is also a Clinical Associate Professor in Medicine at the University of Pittsburgh School of Medicine.