Medical Group Hudson Valley NewYork-Presbyterian Medical Group Hudson Valley 35 South Riverside Avenue Call for an Appointment Find a Doctor Opens in Google Maps 35 South Riverside Avenue Croton-on-Hudson, NY 10520 Opens in Google Maps Directions Contact For department phone numbers please see Contact Us. SpecialtiesAllergy & ImmunologyInternal MedicineOrthopedic Surgery & Sports MedicinePediatrics Our Doctors Allergy & Immunology Eun Soo Kwak-Peacock, MD Internal Medicine Michael Christensen, MDM Orthopedic Surgery & Sports Medicine Louis Amorosa, MD Nicole S. Belkin, MD Thomas R Hickernell, MD Charles Scott, MD Pediatrics Lawrence Baskind, MD, FAAP Ellen Sandoval, MD, FAAP Alyda Stabile, MD Mary Ellen Stavitz, CPNP Susan Travis, CPNP Contact Us Medical Group Hudson Valley 35 South Riverside Avenue, Croton-on-Hudson, NY 10520 Opens in Google Maps 914-271-0001 Allergy & Immunology 914-271-2424 Pediatrics 914-233-3022 Orthopedic Surgery & Sports Medicine 914-270-0001 Internal Medicine