He speaks Spanish. Dr. Gelfman's hospital/clinic affiliations include Mount Sinai Hospital and Albert Einstein College of Medicine. Before completing his residency at Long Island Jewish Medical Center, Montefiore Medical Center, and a hospital affiliated with the University of North Carolina (UNC), Dr. Gelfman attended medical school at MCP Hahnemann School of Medicine. He accepts several insurance carriers, including Blue Cross/Blue Shield, Delta Dental, and Workers' Compensation. He has an open panel.