Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Maroun E Hayek, MD

Individual provider Hematology & Oncology Physician · NPI 1922072891

Maroun E Hayek, MD is a Hematology/Oncology in Greenville, Mississippi. Qualified in 1996, 30 years ago. Practices with Delta Medical Group, a 48-clinician group and accepts Medicare assignment. Licensed in Mississippi.

Years since qualifying
30
Licensed in
MS
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1514 E Union St
Greenville, MS 38703-3248
Phone: (662) 334-6394
Fax: (662) 332-1647
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 16611 (MS)

Record details

NPI number1922072891
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 15, 2006
Last updated in NPPESApril 16, 2014

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Group practice Delta Medical Group — 48 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare