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 / LA

JOHN D MARKER, MD

HOSPITALIST

Medical school: TULANE UNIVERSITY SCHOOL OF MEDICINE

Graduated: 2008

Also: INTERNAL MEDICINE

NPI: 1942477583

Practice Locations (1)

BELLE CHASSE PHYSICIAN SERVICES LLC

1514 JEFFERSON HWY

NEW ORLEANS, LA 701212429

5044688600

Source: CMS National Downloadable File, September 2026.

JOHN MARKER, MD | HealthCareAtlasUSA