Jonathan Nasser MD 300 Crystal Run Road Middletown, New York, 10941 Phone: 845-703-6999 Company: Crystal Run Healthcare; Garnet Health Medical Center, Garnet Health Medical Center – Catskills: Pediatrics, Preventive Medicine Doctor Category: Internal Medicine Profile Let this business know you found them on Hudson Valley's Online Directories. Locations Middletown 300 Crystal Run Road Middletown, New York 10941 Claim/Edit Listing