
Medical Oncology
2200 Northern Boulevard, Suite 111, Greenvale NY, 11548 | T (516) 325-7500

Bhoomi Mehrotra, MD
Chair, Catholic Health Cancer Services Director, The Cancer Institute at St. Francis Hospital

Su Yun Chung, MD

George Zervos, MD
Interventional Pulmonology

Sharad Chandrika, MD
System Director, Interventional Pulmonary Medicine
Catholic Health
Office information: 111 Beach Drive
West Islip, NY 11795
T (631) 417-8600

Dilip Patel, MD
Vice Chair, Hematology and Malignant Hematology Services

Rajasree Roy, MD
Oncology Section Head, Breast & Women’s Cancers
Head & Neck Surgery

Arnbjorn Toset, MD
Director, Head & Neck Surgery
Office information: 786 Montauk Highway West Islip, NY 11795 T (631) 669-3700
Thoracic Surgery

Wallace Chan, MD
Oncology Section Head, Quality Care Initiatives

Christina Trotta, DO
Psychiatry
Alisa Coleman, MD
Office information: 83 Sussex Drive Manhasset, NY 11030 T (512) 417-0035
100 Port Washington Boulevard, Suite G01, Roslyn, NY 11576 | T (516) 627-2173

MD, FACS

Surgery Oncology
2200 Northern Boulevard, Suite 125, Greenvale, NY 11548 | T (516) 627-5262

Gary Gecelter, MD, FACS, FACG Chair, Department of Surgery
Catholic Health

Michael Giuffrida, MD, FACS

Jonathan Zagzag, MD, MPH, FACS

Daniel Ari Popowich, MD, FACS, FACRS
Chief, Division of Colon and Rectal Surgery
St. Francis Hospital & Heart Center

Eugene Rubach, MD, FACS
Cardio-Oncology

Syed Saad Mahmood, MD, MPH Director, Cardio-Oncology Catholic Health
Office information: 2200 Northern Boulevard Greenvale, NY 11548 T (516) 302-8530
Breast Surgery

Jana Deitch, MD, FACS
Director, Breast Health
St. Catherine of Siena Hospital
Office information:
2200 Northern Boulevard, Suite 125 Greenvale, NY 11548
T (631) 862-3171

George G. DeNoto, MD, FACS

Mitchell Chorost, MD Director, Surgical Oncology
St. Francis Hospital & Heart Center

Haoyi Zheng, MD
Office information: 100 Port Washington Boulevard Roslyn, NY 11576 T (516) 622-4508
Men’s Health/Urologic Oncology

David Babak Samadi, MD
Director, Men’s Health and Urologic Oncology
Office information: 2200 Northern Boulevard, Suite 150 Greenvale, NY 11548 T (212) 365-5000
Radiation Oncology
2200 Northern Boulevard, Suite 119, Greenvale, NY 11548 | T (516) 222-2020

Edward Obedian, MD
Director, Radiation Oncology St. Francis Hospital & Heart Center
Gynecologic Oncology

Yi-Chun Lee, MD
Chair, Women’s Health Catholic Health
Program Director, Gynecologic Oncology Fellowship
Office information:
661 Deer Park Avenue Babylon, NY 11702
T (631) 376-3131
Genetic Counseling
Erica Poole, MS, CGC
Office information:
2200 Northern Boulevard Suite 100A, Entrance D Greenvale, NY 11548
T (516) 325-7533

Anne Vinokur, MD
Oncology Physical Therapy & Rehabilitation

Jonas Sokolof, DO
Office information: 2200 Northern Boulevard, Suite 127 East Hills, NY 11548 T (631) 456-0702
Symptom Management & Supportive Care

Maria Vitsentzos, MSN, RN, ANP-C
Office information: 2200 Northern Boulevard Greenvale, NY 11548
Room 100A-45 T (516) 325-7537
2200 Northern Boulevard
Greenvale, NY 11548
T (516) 325-7500
Advanced Practice Providers Hematology/Medical Oncology
Jacqueline Belizar, PA-C
Syndy Benjamin, PA-C
Melanie Diaz, DNP NP-C
Angelica Hollweg, PA-C
Minakshi Khanna, PA-C
Sunhee Kim, PA-C
Lianna Maggio, PA-C
Rosemary Murray, DNP NP-C
Sandy Nissel-Horowitz, PA-C
Virginia Ott, DNP NP-C
Sasheen Reid, PA-C
Sonia Singh, PA-C
Tara L. Zickerman, PA-C