Hospitals and Physicians: New York holds hospitals and private practices to the same retention standard of ten (10) years for adult patients. standards for minor patients. In the case of minor patients, the period is for six (6) years or until three (3) years after the patient turns 18. Deceased patient records must be held for six (6) years beyond the date of death.
N.Y. COMP. CODES R. & REGS. § 405.10
https://on.ny.gov/3ozbCM0