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 / AL

JOHN CLARK M ALVES II, MD

INTERNAL MEDICINE

Medical school: UNIVERSITY OF ALABAMA SCHOOL OF MEDICINE

Graduated: 2017

NPI: 1770003220

Practice Locations (1)

MARSHALL MEDICAL CENTER NORTH

8000 AL HWY 69

GUNTERSVILLE, AL 359767140

2565718000

Source: CMS National Downloadable File, September 2026.