Board of Directors


Rahul Seth, DO
Assistant Professor of Medicine
SUNY Upstate Medical University Hospital


Steven L. Allen, MD, FACP
Professor of Medicine
Monter Cancer Center

Steven L. Allen, MD, FACP, is professor of medicine at Hofstra North Shore-LIJ School of Medicine. He is associate chief in the division of hematology, department of medicine, and attending physician in the division of medical oncology/hematology at Monter Cancer Center, North Shore-LIJ Health System.

Dr. Allen is board certified in internal medicine, hematology, and medical oncology. Among his many professional affiliations, he is a member of the American Society of Hematology and the American Society of Clinical Oncology. He is a fellow of the American College of Physicians and the International Academy of Clinical and Applied Thrombosis/Hemostasis. Dr. Allen has worked on many research projects and published numerous reports, book chapters, reviews, and abstracts. He is actively involved in correlative and translational research and has been the principal investigator for several phase I and II drug trials.

Immediate Past President

Stuart P. Feldman, MD
WestMed Medical Group

Stuart P. Feldman, MD, is a board certified hematologist and oncologist who has been active in clinical practice and teaching since 1983. He received his medical degree from George Washington University School of Medicine, where he was elected to Alpha Omega Alpha (National Medical Honor Society). He completed his internship and residency at New York Presbyterian Hospital-Weill Cornell Medical Center and a fellowship in hematology and medical oncology at Memorial Sloan-Kettering Cancer Center.

He is affiliated with White Plains Hospital, Greenwich Hospital, and New York Presbyterian Hospital. He is also a clinical consultant at Memorial Sloan-Kettering Cancer Center and a clinical professor of medicine at Cornell University School of Medicine. Dr. Feldman is an officer in the New York State Society of Hematology and Medical Oncology and an active committee member of the American Society of Hematology and American Society of Clinical Oncology.

Dr. Feldman has been listed in the “Best Doctors” issues of New York and Westchester magazines.


Jonas Congelli, RPh
Chief of Pharmacy, Laboratory and Nutrition Services
Hematology Oncology Associates of Central New York
East Syracuse, NY

Jonas Congelli, RPh, has practiced as an oncology pharmacist since 1990. He currently serves as the chief of Pharmacy, Laboratory and Nutrition Services for Hematology Oncology Associates of Central New York (HOACNY), a large multispecialty community oncology practice with four practice locations, 17 physicians, and 300 employees. Pharmacy services at HOACNY, include: clinical drug information management by oncology pharmacists, infusion chemotherapy delivered from USP 797-certified clean rooms, oral chemotherapy and supportive medications dispensed from The Patient Rx Center, and clinical research support with protocols provided through the Alliance for Clinical Trials in Oncology.

Mr. Congelli graduated from Albany College of Pharmacy in 1989 and has a broad range of oncology experience including hospital inpatient, outpatient, and community oncology practice.

David A. Eagle, MD
Chair of Legislative Affairs & Patient Advocacy
New York Cancer & Blood Specialists

David A. Eagle, MD, is board certified in hematology-oncology and has a focus on gynecological malignancies. He has practiced for over two decades, previously practicing in Lake Norman, North Carolina. He is a past president of the Community Oncology Alliance and a member of the American Society of Clinical Oncology.

Dr. Eagle obtained his Doctor of Medicine from the University of Virginia School of Medicine. After earning his medical degree, he completed his Internal Medicine Residency and Hematology/Oncology Fellowship at the University of Florida. Dr. Eagle is particularly interested in healthcare policy to ensure patients have the best options available and benefit from the astonishing scientific advances in blood and cancer medicine.

Tammi Malave, CPC
Practice Administrator
Hematology-Oncology Associates of Brooklyn

Tammi Malave, CPC, is the practice administrator for Hematology Oncology Associates of Brooklyn, where she manages the group’s daily operations, contracts, financials, billing department, performance reporting, HIPAA, policies and procedures, and is also the practice representative. Tammi brings more than 15 years of practice management experience, and is an active member of the Medical Group Management Association, Hematology Oncology Managers of New York, American Academy of Professional Coders and the Community Oncology Alliance.

Sabrina Mosseau, BS, RN, OCN
Executive Director
New York Oncology Hematology
Daniel Mulkerin_WAHO
Daniel Mulkerin, MD
Vice Chair Regional Operations, Department of Medicine
University of Rochester

Daniel Mulkerin, MD, graduated from Jefferson Medical College. He then completed his residency in internal medicine and fellowship in medical oncology at the University of Wisconsin Hospital and Clinics. Dr. Mulkerin joined the UW Medical School faculty in 1999 and is currently an assistant professor in the department of medicine, section of medical oncology. His clinical expertise is in the treatment of gastrointestinal malignancies, including liver and pancreas, esophageal, stomach, biliary, colon, rectal, and anal cancers. He is actively involved in the development of new therapies for patients with these diseases. Dr. Mulkerin also serves as regional director of the University of Wisconsin Carbone Cancer Center regional cancer center network, which includes affiliate sites in eight communities within Wisconsin and Illinois.

Ruth O’Regan, MD
Chair and Charles A. Dewey Professor, Department of Medicine
Associate Director for Education and Mentoring
Wilmot Cancer Institute, University of Rochester
Rochester, NY

Ruth O’Regan, MD, is the Chair of Medicine and Charles A. Dewey Professor at the University of Rochester. She also serves as Physician-in-Chief of Strong Memorial Hospital and as Associate Director of Education and Mentoring at the Wilmot Cancer Institute at University of Rochester. Her focus is on breast cancer, resistant breast cancers, early drug development, research identifying mechanisms of resistance to breast-cancer therapies, and research development of new therapies with a specific focus on triple negative breast cancer.

She previously served as Division Chief of Hematology, Medical Oncology and Palliative Care in the Department of Medicine, and as Deputy Director at the Carbone Cancer Center at the University of Wisconsin School of Medicine and Public Health (UWSMPH). She served as Chief Scientific officer of the Big Ten Cancer Research Consortium, and Vice-Chair of the National Comprehensive Cancer Network’s Board of Directors.

Dr. O’Regan earned her Medical Degree from University College in Dublin, Ireland. She went on to complete her Internal Medicine residency at the Medical College of Wisconsin, and her Hematology/Oncology fellowship at Northwestern University.

Kanti R. Rai, MD
CLL Research and Treatment Program
Merima Ramovic-Zobic, DO
SUNY Upstate Medical University

1801 Research Boulevard Suite 400
Rockville, MD 20850
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