In This Section

Administrative Staff

Patrick Kelly MBA, RVT
Senior Administrator

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

Kim Downing
Admin. Assistant to Joseph V. Queenan, MD

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

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

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