Jennifer S Blyler, CRNP

Alexander Helfand, MD, is a medical oncologist and hematologist with AHN Cancer Institute, specializing in providing compassionate and empathetic oncologic and hematologic care. He diagnoses and treats blood-related illness and cancer. Dr. Helfand went to medical school at Sackler School of Medicine, New York State/American Program, in Tel Aviv, Israel. Upon completion of medical school, he did his residency at Weill Cornell Medicine: New York Presbyterian – Brooklyn Methodist Hospital in Brooklyn, New York and his fellowship in hematology/oncology at Allegheny General Hospital in Pittsburgh, Pennsylvania. Dr. Helfand is certified by the American Board of Internal Medicine and is affiliated with the American Society of Hematology and the American Society of Clinical Oncology. He speaks Spanish and Hebrew and sees patients ages 18 and older.

Dr. Jho treats patients with neurosurgery for brain tumors, aneurysms, pituitary, spinal and skullbase tumors, chiari malformation, cervical and lumbar stenosis, and cervical, lumbar, and thoracic disc hernias. He has expertise and clinical interests in minimally invasive endoscopic brain and spine surgery. In 2001, he received the Mahaley Clinical Research Award from the AANS/CNS Section on Tumors. Dr. Jho received his medical degree from Chonnam National University Medical School in Gwangju, South Korea. He completed an internship and residency at the University of Pittsburgh Medical Center in Pittsburgh, Pennsylvania. He speaks English and Korean.

Samuel Rubin, MD Samuel Rubin, MD, is an otolaryngologist and head and neck surgeon with AHN Surgery. He provides patient-centered care fand is skilled at microvascular reconstruction, head and neck cancer, and thyroid/parathyroid surgery. Dr. Rubin went to medical school at Boston University School of Medicine in Boston, Massachusetts. He did is residency at Boston University Medical Center in Boston, Massachusetts and his fellowship at Mount Saini Beth Israel in New York, New York. Dr. Rubin has been extensively published for his work in otolaryngology and surgery. He welcomes patients of all ages.