He is professionally affiliated with Mount Sinai Hospital. Blue Cross/Blue Shield, Healthfirst, and Secure Horizons are among the insurance carriers that Dr. Finkielstein accepts. Dr. Finkielstein is accepting new patients. Dr. Finkielstein is a graduate of Stony Brook University Medical Center, School of Medicine and a graduate of Long Island Jewish Medical Center's residency program. Distinctions awarded to Dr. Finkielstein include: Chief Fellow: Division of Cardiology, Beth Israel Medical Center; Phi Beta Kappa; and Dean's List Honor Roll (7 out of 7 semesters).