Leadership - Crozer-Keystone Health System - PA


Read about the men and women behind the decisions at Crozer-Keystone Health System.

Chief Executive Officer

Sharif Omar

Local Governing Board

Dina Capalongo, D.O.
Primary Care Physician
Crozer-Keystone Health System

Brian Copeland, D.O.
Gastroenterologist and Chief of Gastroenterology
Crozer-Keystone Health System

Daniel C. DuPont, D.O.
Pulmonologist and Chief of Pulmonology
Taylor Hospital

Edward LaPorta, M.D.
Cardiologist and Chief of Cardiology
Delaware County Memorial Hospital

Timothy J. Malarkey
Managing Partner
JKJ Financial Services

Nathan Okechukwu, M.D.
Nephrologist and Chairman of the Department of Medicine
Crozer-Chester Medical Center

Ann Swan
Prudential Fox & Roach

Gail M. Whitaker, Esquire

Physician Leadership

Crozer-Keystone Health System's physician leaders encompass an accomplished, experienced group of medical professionals who provide guidance and support to Crozer-Keystone's excellent staff of physicians.

Department Chairs


Olesh Babiak, M.D. (Crozer, Springfield, Taylor)

William Goldstein, M.D. (DCMH)

Emergency Medicine

Ralph Riviello, M.D.

Family and Community Medicine

Anne Donnelly, M.D. (Crozer, Springfield, Taylor)

Michael Slavin, M.D. (DCMH)


C. Nathan Okechukwu, M.D. (Crozer, Springfield, Taylor)

Stephen Shore, M.D. (DCMH)


Keith P. Williams, M.D. (Crozer, Springfield, Taylor)

Steven Troy, D.O.

Pathology and Laboratory Medicine

Irma Elizabeth Palazzo, M.D.(Crozer, Springfield, Taylor)

Steven Monte, M.D. (DCMH)


Robert Noll, M.D. (Crozer, Springfield, Taylor)

Rochelle Teachey, M.D. (DCMH)


Kevin Caputo, M.D.

Radiation Oncology

Rachelle M. Lanciano, M.D. (DCMH)

Radiology/Diagnostic Imaging

John Hiehle, M.D. (Crozer, Springfield, Taylor)


Aley Tohamy, M.D., Interim Chair (Crozer, Springfield, Taylor)

David McCloskey, M.D. (DCMH)

Chiefs, Department of Medicine


Sandra M. Gawchik, D.O., Co-Chief (Crozer, Springfield, Taylor)

Anthony R. Rooklin, M.D. , Co-Chief (Crozer, Springfield, Taylor)

Thomas E. Klein, M.D. (DCMH)


Ancil A. Jones, M.D. (Crozer, Springfield, Taylor)

Edward W. LaPorta, M.D. (DCMH)


John J. Laskas Jr., M.D.


Lubna M. Zuberi, M.D.


Brian Copeland, M.D. (Crozer, Springfield, Taylor)

Philip Gilman, M.D. (DCMH)


William S. Zirker, M.D.


Raymond J. Vivacqua, M.D.

Infectious Disease

Stephen Nelson, M.D. (Crozer, Springfield, Taylor)

Jackeline Iacovella, M.D. (DCMH)


Roy Marcus, M.D. (Crozer, Springfield, Taylor)

Maria Largoza, M.D. (DCMH)


Kesha Wilford, M.D. (Crozer, Springfield, Taylor)

Physical Medicine and Rehabilitation

Brian Murphy, D.O. (Crozer, Springfield, Taylor)

Daniel Kane, M.D. (DCMH)

Pulmonary Disease

Gary Wendell, M.D.

Chiefs, Department of Pediatrics


Cynthia Dembofsky, M.D. (Crozer, Springfield, Taylor)

Kelly Ecker, D.O., FAAP (DCMH)

Chiefs, Department of Psychiatry

Adult Psychiatry

Sarah Falgowski, M.D.

Child and Adolescent Psychiatry

Darren F. Piechota, M.D.

Psychosomatic Medicine

Laura McLafferty, M.D.

Chiefs, Department of Radiology

CT Scan

Eric Rubin, M.D.

General Radiology

Andrew Gordon, M.D.

Interventional Radiology

Lance Becker, M.D.

Mammography/Women's Imaging

Amy Wilson, M.D.

Magnetic Resonance Imaging

Jonathan Morgan, M.D.

Nuclear Medicine

Khozaim Nakhoda, M.D.


Jonathan Morgan, M.D.


Damon Soeiro, M.D.

Chiefs, Department of Surgery

Burn Surgery

Linwood Haith, M.D.

Cardiac Surgery

Charles M. Geller, M.D.

Colorectal Surgery

Taro Arai, M.D. (Crozer, Springfield, Taylor)

General Surgery

David McCloskey, M.D.

Genito-Urinary and Urologic Surgery

George Dakwar M.D.

Craig Landow, M.D.

Gynecologic Oncology Surgery

Gazi Abdulhay, M.D.

Ophthalmology Surgery

Christopher A. Williams, M.D. (Crozer, Springfield, Taylor)

Edward H. Bedrossian Jr., M.D. (DCMH)

Oral and Maxillofacial Surgery

Joseph P. Mulligan, D.M.D.

Orthopedic Surgery

Frank P. Giammattei, M.D. (Crozer, Springfield, Taylor)

Nicholas A. DiNubile, M.D. (DCMH)

Otolaryngology Surgery

Kenneth Briskin, M.D. (Crozer, Springfield, Taylor)

Marc I. Surkin, M.D. (DCMH)

Plastic Surgery

Thomas Jacob, M.D. (Crozer, Springfield, Taylor)

David A. Bottger, M.D. (DCMH)

Podiatric Surgery

William M. Urbas, D.P.M. (Crozer, Springfield, Taylor)

Bruce G. Greenfield, M.D. (DCMH)

Reproductive Endocrinology and Fertility

Albert El-Roeiy, M.D.

Trauma Surgery

Pankaj Patel, M.D.

Vascular Surgery

Sai Sajja, M.D. (Interim chief)

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Financial Assistance

Crozer-Keystone provides all necessary care to patients without regard to their ability to pay. To learn more, call the Financial Assistance Hotline at (610) 447-2336.

Quality & Safety

Quality and SafetyWe are committed to providing exceptional, compassionate care. View our Evidence-based Medicine Goals Reports.