CORRECT PHONE NUMBER: 212-434-2000. Lenox Hill Hospital offers state-of-the-art medical and surgical care. While LHHâs medical specialties include orthopedics, robotic surgery, cardiology, pathology, pediatrics, psychiatry, radiology, neurology, nephrology, allergy and immunology, obstetrics and gynecology, dermatology, rheumatology, its surgical specialty portfolio includes bariatric surgery, vascular surgery, orthopedic surgery, colorectal surgery, neurosurgery and plastic surgery.