Our Physicians

Russell DeLuca, M.D.
Director, Medical Oncology, Tate Cancer Center
305 Hospital Drive, 2nd Floor
Glen Burnie, MD 21061
410-761-9896

Dr. DeLuca is the chief of oncology at Baltimore Washington Medical Center and serves as the medical director for the Hospice of the Chesapeake. He is also a clinical assistant professor at the University of Maryland School of Medicine.He received his medical degree from the University of Medicine and Dentistry of New Jersey at Rutgers Medical School in Piscataway, New Jersey and conducted his internship and residency there.

Dr. DeLuca completed a fellowship in medical oncology and hematology at the University of Maryland Cancer Center in Baltimore. He is board certified in hematology and hospice and pallative medicine, and is a member of the American College of Physicians-Fellow, American Society of Clinical Oncology, American Society of Hematology and the Maryland & D.C. Society of Clinical Oncology.

Galen Ohnmacht, M.D.
Thoracic Surgeon
Tate Cancer Center
305 Hospital Drive
Glen Burnie, MD 21061
410-553-8150

Dr. Ohnmacht earned his medical degree from the University of Texas Houston Medical School and completed an internship in general surgery and a residency in general surgery as well as cardiothoracic surgery. Dr. Ohnmacht is board certified and is a member of several professional organizations, including the American Association of Chest Physicians.

Ziv Gamliel, M.D.
Thoracic Surgery, Tate Cancer Center
305 Hospital Drive
Glen Burnie, MD 21061
(410) 553- 8150

Dr. Gamliel received his medical degree from the University of Toronto School of Medicine. He completed his residency in general and thoracic surgery at the University of Toronto and completed fellowships in surgical critical care at Harvard Medical School and in lung transplantation at the University of Toronto.

He is an assistant professor of surgery at the University of Maryland School of Medicine and director of the Cardiothoracic Intensive Care Unit at the University of Maryland Medical Center. Dr. Gamliel is certified by the National Board of Medical Examiners, and the American Board of Surgery, General Care and Surgical Critical Care. He is also a member of several professional medical societies, including the Society of Critical Care Medicine and the Society of Thoracic Surgeons.

Mayer Gorbaty, M.D.
Medical Oncology
203 Hospital Drive, Suite 312
Glen Burnie, MD 21061
(410) 553-8360

Dr. Gorbaty earned his medical degree at State University of New York, Downtown Medical Center. He completed an internal medicine residency at George Washington University Hospital in Washington, D.C. and completed a medical oncology fellowship at Mount Sinai Hospital in New York. Dr. Gorbaty is board certified by the American Board of Medical Oncology, the American Board of Internal Medicine and the National Board of Medical Examiners. He also holds a membership in the American Society of Clinical Oncology.

Karl M. Kasamon, M.D.
Medical Oncology
305 Hospital Drive 2nd Flr
Glen Burnie, MD 21061
(410) 553-8120

After obtaining his undergraduate degree in Pittsburgh, PA, Dr. Kasamon received his medical education at Temple University
School of Medicine in Philadelphia, PA.

After moving to Massachusetts for training in internal medicine at Boston University, he returned to Baltimore to complete
fellowship training in hematology and medical oncology at the University of Maryland Greenebaum Cancer Center in Baltimore.

Dr. Kasamon is board certified in internal medicine, hematology, and medical oncology by the ABIM. He is an active member of
American College Physicians, American Association of Cancer Research, American Society of Hematology, and American
Society of Clinical Oncology.

Yudhishta Markan, M.D.
Medical Oncologist, Tate Cancer Center
305 Hospital Drive 2nd Flr
Glen Burnie, MD 21061
(410) 553-8120

Dr. Markan earned his medical degree from the Government Medical College in India. He then completed his residency in the Department of Internal Medicine at Prince George's Hospital Center and completed his fellowship in the sub-speciality of hematology and medical oncology at the Washington Hospital Center in Washington, D.C.

Dr. Markan is board certified by the American Board of Internal Medicine and the American Board of Medical Oncology. He holds memberships in the American College of Physicians, the American Society of Clinical Oncology, the American Medical Association, and the Maryland Society of Clinical Oncologists.

Gayatri Nimmagadda, M.D.
Medical Oncologist, Tate Cancer Center
305 Hospital Drive, Second Floor
Glen Burnie, MD 21061
410-761-9896

Dr. Nimmagadda earned her medical degree from Guntur Medical College, Nagarjuna University in India and completed her residency at Harbor Hospital Center. She then completed fellowships in hematology/oncology at the University of Maryland Greenebaum Cancer Center and Johns Hopkins Hospital. Dr. Nimmagadda is board certified in internal medicine, hematology, and medical oncology and is a member of American College Physicians, American Society of Hematology, American Society of Clinical Oncology, and the Southwest Oncology Group.

Mitch Oh, M.D.
Radiation Oncologist, Tate Cancer Center

Dr. Oh has served as a radiation oncologist at Baltimore Washington Medical Center for the past three years and will serve as the primary radiation oncologist at the Tate Cancer Center. He received his Medical Degree from Jefferson Medical College in Philadelphia, Pennsylvania and completed his internship at Harbor Hospital in Baltimore. Dr. Oh completed his residency and fellowship at the University of Maryland Medical Center in Baltimore.

He is board certified in radiology and is a member of the American Society of Therapeutic Radiology and Oncology, the American Medical Association, the Mid-Atlantic Society of Radiation Oncologists and the Radiologic Society of North America.

Harvinder Singh, M.D.
Medical Oncology/Hematology
203 Hospital Drive
Suite 312
Glen Burnie, MD 21061
(410) 553-8360

Dr. Harvinder Singh is a fellowship trained medical oncologist and hematologist who completed his medical degree at the University of Delhi in New Delhi, India, his internal medicine residency at State University of New York Health Science Center in Brooklyn, New York and his hematology, medical oncology and bone marrow transplant fellowships at Mount Sinai School of Medicine in New York City.

An assistant professor at the University of Maryland School of Medicine, Dr. Singh is board certified in medical oncology, hematology and internal medicine and is a member of the American Society of Clinical Oncology.