Steven Grundfast MD 155 Crystal Run Road Middletown, New York, 10941 Phone: 845-703-6999 Company: Crystal Run Healthcare; Garnet Health Medical Center, Montefiore St. Luke’s Cornwall Hospital: Chronic Obstructive Lung Disease (COPD), Sleep Disorders/Apnea, Smoking Cessation Doctor Category: Pulmonary Medicine Profile Let this business know you found them on Hudson Valley's Online Directories. Locations Middletown 155 Crystal Run Road Middletown, New York 10941 Claim/Edit Listing