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 / MS

MAROUN E HAYEK, MD

HEMATOLOGY/ONCOLOGY

Graduated: 1996

Also: INTERNAL MEDICINE

NPI: 1922072891

Practice Locations (3)

DELTA MEDICAL GROUP

1400 E UNION ST

GREENVILLE, MS 387033246

6623783783

DELTA HEALTH SYSTEM

1400 E UNION ST, DELTA HEALTH THE MED CENTER

GREENVILLE, MS 387033246

6623783783

DELTA MEDICAL GROUP

1693 FAIRGROUNDS RD

GREENVILLE, MS 387037810

6623783783

Source: CMS National Downloadable File, September 2026.

MAROUN HAYEK, MD | HealthCareAtlasUSA