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 / CT

JONATHAN W MCMAHON, DO

EMERGENCY MEDICINE

Medical school: NEW YORK COLLEGE OF OSTEO MEDICINE OF NEW YORK INSTITUTE OF TECHNOLOGY

Graduated: 2019

Also: INTERNAL MEDICINE

NPI: 1801359062

Practice Locations (1)

YALE UNIVERSITY

20 YORK ST

NEW HAVEN, CT 065103220

2037854638

Source: CMS National Downloadable File, September 2026.

JONATHAN MCMAHON, DO | HealthCareAtlasUSA