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

HAROLD MCKENNA, MD

INTERNAL MEDICINE

Graduated: 1975

NPI: 1609959550

Practice Locations (2)

305 MAIN ST

S AMBOY US, NJ 088791602

305 MAIN ST

SOUTH AMBOY, NJ 088791602

Source: CMS National Downloadable File, September 2026.