What is Maroun Hayek's specialty?

Maroun Hayek (NPI 1922072891) is a Medicare-billing provider whose primary specialty is Hematology-Oncology in Greenville, MS.

Where does Maroun Hayek practice?

Maroun Hayek practices in Greenville, MS, based on the location reported in the CMS Medicare provider datasets for NPI 1922072891.

How much does Medicare pay Maroun Hayek?

Maroun Hayek (NPI 1922072891) received approximately $123K in total Medicare Part B payments, serving 394 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1922072891

Maroun HayekMD

PRACTICEDELTA HEALTH SYSTEMSee all providers at this practice →

Hematology-OncologyGreenville, MSI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

647

Unique beneficiaries

—

Total services

1,404

Distinct HCPCS

Medicare payment

$87K

Peer benchmark

Total Medicare services vs. 52 Hematology-Oncology providers in MS — above median (cohort median 1,630).

PRESCRIBING · PART D · 2024

Total Rx claims

2,443

Beneficiaries

—

Total drug cost

$7.8M

Distinct drugs

Brand share

42.0%

Top prescribed drugs

Anastrozole324 claims

Hydrocodone/Acetaminophen141 claims

Enzalutamide102 claims

Ribociclib Succinate83 claims

Tamoxifen Citrate81 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

14.1

Cost

69.2

Improvement activities

40.0

Promoting interop.

98.0

Payment adjustment

1.05%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$492

Payment records

By payment type

Food and Beverage$492

Top paying entities

Food and Beverage$492

REFERRAL NETWORK

Where Maroun Hayek's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 49 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
DELTA HEALTH SYSTEM	445	8,087
PRIOR, DONALD	229	1,701
Eric Reimund Pathology · Greenville, MS	122	805
Laboratory Corporation Of America Holdings Clinical Laboratory · Birmingham, AL	74	531
PHC-CLEVELAND LLC	73	534
William Richards Radiation Oncology · Kettering, OH	70	2,082
Pradeep Thakare Gastroenterology · Greenville, MS	63	340
Hady Lichaa Cardiology · Murfreesboro, TN	59	512
Parvez Karim Internal Medicine · Greenville, MS	49	579
SOUTH SUNFLOWER COUNTY HOSPITAL	35	315
John Bearry Emergency Medicine · Greenville, MS	33	189
John Herzog Cardiology · Greenville, MS	33	202

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events