Our Physicians

Ram R. Kancherla, MD

Completed his Residency at the State University of New York at Brooklyn, Brooklyn, NY and continued onto his fellowship in Hematology and Oncology at New York Medical College, Westchester Medical Center, Valhalla, NY.
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Tauseef Ahmed MD, F.A.C.P

Dr. Tauseef Ahmed is Chief of Oncology at Westchester Medical Center.He is a widely recognized expert in the subspecialty fields of Oncology and Hematology who has practiced in the Hudson Valley Region for over 25 years.
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Ponciano L. Reyes, MD

Dr. Reyes studied at the University of Santo Tomas, Manila, Philippines where he graduated Summa Cum Laude, Bachelor of Science in Biology.
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Michael J. Maresca, MD

Dr. Maresca attended medical school at St. George’s University School of Medicine and completed his residency in Internal Medicine at the University Hospital at Stony Brook, Stony Brook, NY.
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Julia A. Schaefer-Cutillo, MD

Dr. Schaefer-Cutillo graduated medical school at Downstate Medical School, Brooklyn, NY and completed her residency training at Yale New Haven Hospital, New Haven, CT.
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Karen Seiter, MD

Completed her residency at the Albert Einstein College of Medicine, Bronx, New York and continued on to her fellowship at Memorial Sloan Kettering Cancer Center, New York, New York.
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Lev Davidson, MD

Dr Davidson graduated medical school from Ross University School of Medicine, Portsmouth, Dominica. He completed his residency at Westchester Medical Center, New York Medical College, Valhalla, NY.
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Jeffrey M. Ambinder, MD

Dr. Ambinder is a graduate of New York University School of Medicine. He received his Internal Medicine and Oncology/ Hematology Fellowship training at Duke University Medical Center, Durham North Carolina.
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Carmelo Puccio, MD

Dr Puccio is an attending physician at Westchester Medical Center, Hudson Valley Hospital Center, St. John ‘s Riverside and Phelps Memorial Hospital.
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Delong Liu, MD, PhD.

Dr. Delong Liu specializes in and conducts clinical research focusing on the care of patients diagnosed with hematologic malignancies.
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Hoo G Chun, MD

Dr. Hoo Geun Chun is an ABIM certified medical oncologist. He has been a faculty in the Department of Medicine, New York Medical College, Valhalla, NY since 1990.

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Amitabha Mazumder, MD

Amitabha Mazumder, MD is a Professor of Medicine at New York Medical College, specializing in bone marrow and blood stem cell transplantation and is the Director of the Multiple Myeloma Program. 
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John Nelson, MD

Dr John Nelson received his medical degree from Harvard Medical School after completing his undergraduate degree at Stanford University.
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Gino Bottino, MD

Gino Bottino, MD has been in practice at Northern Westchester Hospital for over 31 years after having left the National Cancer Institute as a researcher.
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Leno Thomas, MD

Dr. Thomas completed medical school at Kasturba Medical College in India. She completed her residency program at the University of Pittsburgh Medical Center- Mckeesport Hospital in Pennsylvania.
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Mohamad El-Naghy, MD, PHD.