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

NEREIDA DIAZ-JOHNSON, MD

INTERNAL MEDICINE

Graduated: 1985

Offers telehealth

NPI: 1013939917

Practice Locations (1)

UNION MEDICAL GROUP, LLC

2333 MORRIS AVE, SUITE A109

UNION, NJ 070835715

9086885000

Source: CMS National Downloadable File, September 2026.

NEREIDA DIAZ-JOHNSON, MD | HealthCareAtlasUSA