Quick answers
- Which hospitals does Maroun E. Hayek work at?
- Medicare's official clinician data lists Maroun E. Hayek at 5 hospitals: Bolivar Medical Center, Delta Health System - The Medical Center, Mississippi Baptist Medical Center, South Sunflower County Hospital and West Carroll Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Maroun E. Hayek see patients?
- Medicare's clinician data lists 3 practice locations, including Greenville, MS. Call before your visit to confirm the address.
- What is Maroun E. Hayek's specialty?
- Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine.
- Does Maroun E. Hayek accept Medicare assignment?
- Yes. Medicare's clinician data says Maroun E. Hayek accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Maroun E. Hayek?
- (662) 378-3783, as listed in official Medicare / NPI Registry data.
- What is Maroun E. Hayek's NPI number?
- 1922072891. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Maroun E. Hayek works
Medicare's Facility Affiliation Data lists Maroun E. Hayek at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bolivar Medical CenterCleveland, MS · Acute Care Hospital · CCN 250093
- Delta Health System - The Medical CenterGreenville, MS · Acute Care Hospital · CCN 250082
- Mississippi Baptist Medical CenterJackson, MS · Acute Care Hospital · CCN 250102
- South Sunflower County HospitalIndianola, MS · Acute Care Hospital · CCN 250095
- West Carroll Memorial HospitalOak Grove, LA · Critical Access Hospital · CCN 191327
Practice locations
Addresses where Maroun E. Hayek is enrolled with Medicare (CMS data updated 2026-10-02).
- 1400 E Union StGreenville, MS 38703 (662) 378‑3783
- 1400 E Union St, Delta Health the Med CenterGreenville, MS 38703 (662) 378‑3783
- 1693 Fairgrounds RdGreenville, MS 38703 (662) 378‑3783
Group practices
Medicare enrollment lists Maroun E. Hayek as a member of these groups (CMS data updated 2026-10-02).
- Delta Medical Group48 clinicians in the group
- Delta Health System2 clinicians in the group
Specialties
- Hematology/Oncologyprimary
- Internal Medicinealso
Other hematologist-oncologists in Mississippi
Clinicians with the same Medicare primary specialty in Mississippi — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922072891 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians