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DELTA HEALTH SYSTEM
NPI 1184232498
Clinic/Center - Oncology in Greenville, MS

Active since July 22, 2020
1514 E UNION ST, GREENVILLE, MS 38703(662) 334-6394(662) 332-1647 Get Directions Write a Review

NPPES record last updated: May 12, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 12, 2026, Oct 17, 2022, Apr 15, 2021 and 3 more (6 updates tracked since 2020).

About Delta Health System NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DELTA HEALTH SYSTEM (NPI 1184232498), doing business as Delta Health Cancer Center, is a healthcare organization registered as an oncology in Greenville, Mississippi and active in the NPI registry since July 2020. The organization lists Iris Y. Stacker, Ceo, as its authorized official.

NPPES Registry Identity

NPI1184232498
Entity TypeOrganization
Primary Taxonomy261QX0200X
Legal Business NameDELTA HEALTH SYSTEM
Location Address1514 E UNION STGreenville, MS 38703-3248
Mailing AddressPo Box 5247Greenville, MS 38704-5247 · (662) 334-2021 · Fax (662) 725-2189
Phone(662) 334-6394
Fax(662) 332-1647
Organization SubpartYes
Authorized OfficialIris Y. StackerCeo · (662) 725-2099
Enumeration DateJuly 22, 2020
Last NPPES UpdateMay 12, 20266 updates tracked since enumeration
NPPES CertifiedMay 12, 2026
✔ NPI 1184232498 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinic/Center · OncologyAmbulatory Health Care Facilities
Taxonomy Code261QX0200X
Definition
An entity, facility, or distinct part of a facility providing diagnostic, treatment and prescriptive services related to cancerous conditions. Services include chemotherapy infusions and monitoring of implanted chemotherapeutic agents.
Also ListedRadiology · Radiation OncologyTaxonomy 2085R0001X
1514 E UNION ST, Greenville, MS 38703
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Other Names 2

Doing Business AsDelta Health Cancer Center
Doing Business AsDelta Health Cancer-oncology Greenville

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Delta Health System is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

5

Medicare enrollment records show 5 clinicians reassign Medicare billing to Delta Health System, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

Gregg Dickerson, M.D.
Radiation Oncology
NPI 1699777854
1514 E UNION ST
Greenville, MS 38703
(662) 332-6150
✔ PECOS✔ Accepts Medicare0.2 mi
Maroun Hayek, MD
Hematology/Oncology
NPI 1922072891
1514 E UNION ST
Greenville, MS 38703
(662) 334-6394
✔ PECOS✔ Accepts Medicare0.2 mi
Mtanius Sultani, MD
Hematology/Oncology
NPI 1972577930
581 MEDICAL DR
Clarksdale, MS 38614
(662) 627-7163
✔ PECOS✔ Accepts Medicare62 mi
Roderick Givens, MD
Radiation Oncology
NPI 1558422576
4 CLUB DRIVE
Natchez, MS 39120
(601) 597-7899
✔ PECOS✔ Accepts Medicare136 mi
Bassam Abi-Rached, M.D.
Hematology/Oncology
NPI 1285637314
605B MEDICAL CENTER DR
Alexandria, LA 71301
(318) 442-2232
✔ PECOS✔ Accepts Medicare167 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Delta Health System's NPI number?

The NPI number for Delta Health System is 1184232498. It was assigned to this organization in the NPPES registry on July 22, 2020. The provider is doing business as Delta Health Cancer Center and Delta Health Cancer-Oncology Greenville.

Where is Delta Health System located?

Delta Health System is located at 1514 E Union St, Greenville, MS 38703. The listed phone number is (662) 334-6394.

What is Delta Health System's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Oncology, with taxonomy code 261QX0200X.

Is Delta Health System enrolled in Medicare?

Yes. Delta Health System is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Delta Health System?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 2 Medicare specialties reassign their Medicare billing to Delta Health System. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Hematology/Oncology (3) and Radiation Oncology (2). Of these, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Delta Health System was last updated on May 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.