Internal Medicine Faculty and Staff

A full-time faculty comprised of board-certified internists and subspecialists in the areas of critical care medicine, infectious disease, pulmonary medicine and endocrinology​, in conjunction with more than 40 clinical attending faculty permits in-depth, one-on-one academic teaching environment for residents. All hold faculty appointments from CMU.


Nicholas Haddad, MD, FACP, FIDSA

Program Director

Medical School: American University of Beirut
Residency: Indiana University School of Medicine
Fellowship: Infectious Diseases, Washington University

Associate and assistant directors


Robert Battisti, MD

Associate Program Director

Medical School:  Eastern Virginia Medical School
Residency:  Carolinas Medical Center


Ihsan Al-Sabbagh

Ihsan Al-Sabbagh, MD

Medical School: Al-Nahrain University College of Medicine

Residency: Yale-New Haven Health-Greenwich Hospital


Zeina Habib, MD

Medical School: American University of Beirut
Residency: Henry Ford Hospital
Cecilia Kraus-Horbal

Cecilia Kraus-Horbal, DO

Medical School: Lake Erie College of Osteopathic Medicine at Seton Hill
Residency: Henry Ford Hospital

Jiries Qaqish, MD

Medical School: Ross University School of Medicine 
Residency: St. Joseph Mercy Oakland​
Mohammad Usman Ghani

Muhammad Usman Ghani, MD

Medical School: Shifa College of Medicine 
Residency: Montefiore Medical Center, Albert Einstein College of Medicine

Vivek Variar, MD

Medical School: Manipal University
Residency: Synergy Medical Education Alliance


Jaime McKenna

Residency Program Coordinator

Phone: 989-746-7681

Connie Erikson

Residency Administrative Assistant

Phone: 989-746-7682