Leaders in Cancer Care
Catholic Health cancer specialists give Long Islanders access to the highest level of clinical excellence in cancer care. Under the direction of Dr. Bhoomi Mehrotra, Catholic Health chair of cancer services, our team's compassionate and personalized approach sets us apart. We work together as one team. Your team.
Our Leadership
Bhoomi Mehrotra, MD
Chair of Cancer Services, Catholic Health; Director of Cancer Institute at St. Francis Hospital
Gary Gecelter, MD, FACS, FACG
Chair of Surgery Services, Catholic Health
Our Team
Mohammed Ali, MD
Chair of Cancer Committee, Mercy Hospital
Christopher Atalla, DO
Director of Men’s Health, Good Samaritan University Hospital
Sharad Chandrika, MD
Director of Interventional Pulmonary Medicine, Catholic Health; System Director
Mitchell Chorost, MD
Director of Surgical Oncology, St. Francis Hospital
Jana Deitch, MD
Director of Breast Health, St. Catherine of Siena Hospital
Johnny Kao, MD
Director of Cancer Institute at Good Samaritan University Hospital; Chair of Radiation Oncology, Good Samaritan University Hospital
Sophia Fu, MD
Director of Breast Surgery, Good Samaritan University Hospital
Natalya Krichmar, MD
Section Chief of Hematology Oncology, St. Joseph Hospital
Dilip Patel, MD
Vice Chair of Hematology & Malignant Hematology Services, St. Francis Hospital
Daniel Ari Popowich, MD, FACS, FACRS
Chief of Colon & Rectal Surgery, St. Francis Hospital
David Babak Samadi, MD
Director of Men’s Health & Urologic, St. Francis Hospital
Ashish Sangal, MD
Chief of Medical Oncology & Hematology & Director of Clinical Research & Thoracic Oncology
Yi-Chun Lee, MD
Chair of Women Health Service Line Services, Catholic Health; Program Director of Gynecologic Oncology Fellowship
Syed Saad Mahmood, MD, MPH
Director of Cardio Oncology at Catholic Health
Marlene Mancuso, MD, FACS
Section Chief Breast Surgery, St. Joseph Hospital
Edward Obedian, MD
Director Radiation Oncology at St. Francis Hospital
Rajasree Roy, MD
Oncology Section Head for Breast & Women’s Cancers
Wallace Chan, MD
Oncology Section Head for Quality Care Initiatives
Lynette Mendoza MS, DO, FACS
Section Chief Breast Surgery, Mercy Hospital
Our Care Team
Contact The Cancer Institute at St. Francis Hospital & Heart Center
Medical Oncology
- Bhoomi Mehrotra, MD
- Rajasree Roy, MD
- Wallace Chan, MD
- George Zervos, MD
- Christina Trotta, DO
- Su Yun Chung, MD
- Dilip Patel, MD
Cardio-Oncology
Gynecologic Oncology
Interventional Pulmonology
Men’s Health and Urologic Oncology
Pulmonology
Radiation Oncology
Surgery Oncology
- Gary Gecelter, MD,FACS, FACG
- Mitchell Chorost, MD
- Marie Hui-Mei Chen, MD
- Daniel Ari Popowich, MD, FACS, FACRS
- George G. DeNoto, MD, FACS
- Eugene Rubach, MD, FACS
- Michael Giuffrida, MD, FACS
- Steven Tamesis, MD
- Jonathan Zagzag, MD, MPH, FACS
Thoracic Surgery
Oncology Physical Therapy & Rehabilitation
Contact The Cancer Institute at Good Samaritan University Hospital
Medical Oncology
- John Loscalzo, MD
- Ashish Sangal, MD
- Kathy Deng, MD
- Sudha Mukhi, MD
- Mary Puccio, MD
- Emmanuel L. Sygaco, MD
Radiation Oncology
- Johnny Kao, MD
- Vikram Soni, MD
Thoracic Surgery
Neurosurgery
Head & Neck Surgery
Interventional Pulmonology
Gynecologic Oncology
Breast & General Surgery
*General surgery includes: Breast, Colorectal, Hepatobiliary, Laparoscopic, Bariatric, Endocrinology and Oncology
Symptom Management & Supportive Care
Robotic-Assisted Urology
Hepatobiliary Surgery
Oncology Physical Therapy & Rehabilitation
View Mercy Hospital team brochure
Contact The Cancer Institute at Mercy Hospital
Medical Oncology
- Mohammed Ali, MD
- Magdy Shaaban, MD
- Tony Cheung, MD
Radiation Oncology
Thoracic Surgery
Colorectal Surgery
Interventional Pulmonology
Gynecologic Oncology
Breast Surgery
View St. Joseph Hospital team brochure
Contact The Cancer Institute at St. Joseph Hospital
Medical Oncology
- Natalya Krichmar, MD
- Tony Cheung, MD
Radiation Oncology
Thoracic Surgery
Interventional Pulmonology
Gynecologic Oncology
Breast Surgery
- Marlene Mancuso, MD, FACS
Surgery Oncology
- Mitchell Chorost, MD
- Daniel Ari Popowich, MD, FACS, FACRS
- Daniel Haller, MD
- Michael Castellano, MD
- Jonathan Klein, MD, FACS
Cardio-Oncology
Comprehensive Cancer Care
Catholic Health chair of cancer services Dr. Bhoomi Mehrotra (left) and our cancer team offer comprehensive care for patients—body, mind and soul.