HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / NY

JONATHAN LEE DEMCHAK JR., PA

PHYSICIAN ASSISTANT

Graduated: 2015

NPI: 1285015610

Practice Locations (2)

SULLIVAN EMERGENCY SERVICES PC

8881 STATE ROUTE 97

CALLICOON, NY 127235052

8458875530

DELAWARE VALLEY HOSPITAL INC.

2 TITUS PL

WALTON, NY 138561455

6078652400

Source: CMS National Downloadable File, September 2026.

JONATHAN DEMCHAK, PA | HealthCareAtlasUSA