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 / AZ

MICHAEL MACKENZIE JOHNSON, MD

INTERNAL MEDICINE

Medical school: UNIVERSITY OF ARIZONA COLLEGE OF MEDICINE

Graduated: 1983

NPI: 1609869643

Practice Locations (1)

MAXWELL GROUP

14678 N DEL WEBB BLVD

SUN CITY, AZ 853512137

6239338289

Source: CMS National Downloadable File, September 2026.

MICHAEL JOHNSON, MD | HealthCareAtlasUSA