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 / NJ

JOHN A CO, MD

CARDIOVASCULAR DISEASE (CARDIOLOGY)

Graduated: 1983

NPI: 1588620199

Practice Locations (1)

75 N MAPLE AVE, SUITE 100

RIDGEWOOD, NJ 074503247

2014450405

Source: CMS National Downloadable File, September 2026.

JOHN CO, MD | HealthCareAtlasUSA