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


Louis E. Leff, M.D. received his undergradute degree from the University of Pittsburgh/Summa Cum Laude and his medical degree from the University of Pennsylvania.

Dr. Leff completed his Internship and Residency at the University of Pittsburgh School of Medicine and Presbyterian University Hospital.

Dr. Leff is board certified in Internal and Geriatric Medicine by the American Board of Internal Medicine.

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

-The American Association for the Advancement of Science
-The American College of Physicians, Fellow
-The Pennsylvania Society of Internal Medicine
-The Association of Program Directors in Internal Medicine
-The Association for Hospital Medical Education
-The Society for General Internal Medicine

Appointments and Positions:
Dr. Leff is also Clinical Professor of Medicine at the University of Pittsburgh School of Medicine.