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

RUTH CHAMBI JOHNSON, MD

INTERNAL MEDICINE

Graduated: 2003

NPI: 1598968612

Practice Locations (1)

425 MADISON AVE, FL 14

NEW YORK, NY 100171110

2126449100

Source: CMS National Downloadable File, September 2026.