Transplant Surgeons
![]() Wayne C. Waltzer, MD, FACS Professor & Chairman of Urology Kidney Transplantation Urologic Oncology |
![]() Frank S. Darras, MD, FACS Clinical Professor of Urology/Renal Transplant Medical Director, Transplantation Services |
Transplant Nephrologists
![]() Assistant Professor of Medicine Department of Nephrology |
![]() Heesuck Suh, MD Assistant Professor, Department of Nephrology and Hypertension Transplant Nephrologist |
Administrative Director

Dawn Francisquini, MSN, BS, RN, CCTC
Clinical Staff
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Mary Ann Almonte, MS, RN, NP-C Nurse Practitioner (631) 638-3892 |
Tricia Annitto-Grassi, RN, BSN, CDN Pre-Transplant Coordinator (631) 216-8557 |
Malissa Aponte, MS, RN, NP-C Nurse Practitioner (631) 216-8338 |
Mary Cassidy, RN, CCTC Quality Improvement Coordinator 631) 638-7993 |
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Florence Christie, ANP-C Nurse Practitioner (631) 444-1773 |
Donna Comunale, RN, BSN Living Donor Coordinator (631) 444-6944 |
Erica Derby, MS, RD, CSR, CDN Clinical Nutritionist (631) 834-7422 |
Eneida Hernandez, RN Waitlist Transplant Coordinator (631) 444-1787 |
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Michelle Kessler Pre-Transplant Coordinator Assistant (631) 444-1656 |
Elisha Ramos, RPA-C Physician Assistant (631) 444-6943 |
Lorraine Witzke, RN, CCTC Pre-Transplant Coordinator (631) 216-8581 |
Caren Wood, RN Post-Transplant Coordinator (631) 638-2244 |
Transplant Coordinators
![]() Lisa Etter, RN, MS, CCTC Transplant Coordinator |
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Transplant Social Workers and Financial Coordinator
![]() Kathleen Glen, LCSW Social Worker (631) 638-4354 |
![]() Karen O'Sullivan, LCSW Social Worker (631) 444-8141 |
Pharmacist

Madhuwanti Chhettry, PharmD
(631) 444-2680
Administrative Staff | |
Michelle Kessler Pre-Transplant Coordinator Assistant / Co- Office Manager |
(631) 444-1656 |
Ines Arbelaez Post-Transplant Clinical Assistant |
(631) 638-8547 |
Linda Kurzin Office Staff |
(631) 444-7647 |
Nalita Lopez Office Manager |
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Tammy Burns-Pratt Office Staff |
(631) 444-1798 |
Donna Zimmermann Database Manager |
(631) 444-6942 |
Independent Living Donor Advocates | |
Andrew Flescher, PhD | |
David Harris | |
Stephen Knapik, RN, BS, CPTC |