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Doctors / NY

JAMES G RYAN, MD

EMERGENCY MEDICINE

Medical school: STATE UNIVERSITY OF NEW YORK DOWNSTATE MEDICAL CENTER

Graduated: 1982

NPI: 1881608446

Practice Locations (1)

SIENA EMERGENCY MEDICAL SERVICES PC

50 ROUTE 25A

SMITHTOWN, NY 117871348

2406862300

Source: CMS National Downloadable File, September 2026.