Skip to main content

The impact of Supreme Court decisions on the admissions process at Geisinger College of Health Sciences

We’ve updated our Terms & Conditions and Privacy Policy. By using this site, you agree to these terms.

Core faculty

Laurie Cox, MD
Medical school: Medical College of Pennsylvania 
Residency: Williamsport Hospital Family Medicine Residency Program

Julie Xanthopoulos, MD, PhD
Medical school: Yale University School of Medicine 
Residency: Internal Medicine – Yale University School of Medicine

Naveen Yellappa, MD
Medical school: Rajiv Gandhi University of Health and Sciences 
Residency: Internal Medicine – Morristown Memorial Hospital

Kelly Mackenzie, PhD, Behavioral Health Specialist
Graduate School: Clinical Psychology (Concentration: Primary Care/Health Psychology) – Loma Linda University
Residency: Adult Clinical/Health Psychology – Geisinger Medical Center
Fellowship: Primary Care Behavioral Health – Geisinger Medical Center

Nicki D. Vithalani, MD, FAAFP
Medical school: King’s College London 
Residency: Penn State Health Family Medicine Residency at Mount Nittany Medical Center
Fellowship: Hospice and Palliative Medicine – Kaiser Permanente, Los Angeles