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
Mailing address1514 E Union St, Greenville, MS 38703-3248

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