Administrative Staff

Patrick Kelly MBA, RVT
Senior Administrator
Neurosurgery/Neurology

Karen Specos
Office Manager
Phone: 215-707-4068
Fax: 215-707-3831

Kim Downing
Admin. Assistant to Joseph V. Queenan, MD
215-707-7200

Vilma Chambers
Assistant to Bong-Soo Kim, MD, Philip A. Villanueva, MD
215-707-7200

Linda Zlatkin
Assistant to Michael W. Weaver, MD, Chair, Department of Neurosurgery, Kadir Erkmen, MD
215-707-7200

Advanced Practitioners

Nancy E. Villanueva, PhD, CRNP, BC, CNRN

Tanya Sims-Best, MSN, CRNP

Alyssa Mocion, DNP, CRNP

Kristi Piller, MSN, CRNP, AGAC-NP-BC, CCRN

Research Nurses 

Kathleen Hatala, RN, BSN

Carol VonHofen, RN, BSN

Sandra Combs, RN, BSN

Theresa Ropars, RN, BSN