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

JOANNA ERWIN, PA

PHYSICIAN ASSISTANT

Graduated: 2001

NPI: 1023126877

Practice Locations (2)

SARATOGA HOSPITAL

112 CHARLTON RD

BALLSTON LAKE, NY 120192547

5185878400

SARATOGA HOSPITAL

211 CHURCH ST

SARATOGA SPRINGS, NY 128661003

5185838421

Source: CMS National Downloadable File, September 2026.

JOANNA ERWIN, PA | HealthCareAtlasUSA