Internal Medicine, Hematology & Oncology · Greenville, MS
NPI
1922072891
Since 2006
Specialty
Internal Medicine, Hematology & Oncology
Code 207RH0003X
Group practices
2
Medicare group memberships
Hospitals
5
Hospital affiliations
1514 E Union St
Greenville, MS, 38703
Phone (662) 334-6394
Groups this clinician bills Medicare through
Medicare paid, 2024
$123K
5,169 services
Medicare patients, 2024
394
Average age 74
Drug cost, 2024
$8.3M
2,715 prescriptions
Company payments, 2025
$697
From 23 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Maroun E Hayek was code 99214 (office e&m - established), 854 times for 232 patients. In total Maroun E Hayek billed 5,169 services in 45 codes, and Medicare paid $123K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2014-04-16.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Facility | 854 | 232 | $61.52 | $53K |
| 99213 Office E&M - Established | Facility | 285 | 183 | $40.63 | $12K |
| 99204 Office E&M - New | Facility | 85 | 85 | $81.87 | $6,959 |
| 99215 Office E&M - Established | Facility | 63 | 54 | $95.58 | $6,021 |
| 99222 Hospital E&M - Initial | Facility | 44 | 39 | $85.94 | $3,781 |
| 99232 Hospital E&M - Subsequent | Facility | 43 | 24 | $52.66 | $2,265 |
| 99223 Hospital E&M - Initial | Facility | 16 | 16 | $123.61 | $1,978 |
| 99205 Office E&M - New | Facility | 14 | 14 | $120.91 | $1,693 |
By year: 2022 $194K for 5,917 services; 2023 $136K for 3,896 services; 2024 $123K for 5,169 services.
Medicare prescription drug claims, 2024
In 2024, the drug Maroun E Hayek prescribed most often to Medicare patients was Anastrozole, with 324 prescriptions and refills. In total Maroun E Hayek wrote 2,715 Medicare prescriptions that cost $8.3M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Anastrozole Generic | 324 | 644 | 73 | $4,151 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 141 | 141 | 41 | $5,133 |
| Xtandi Enzalutamide | 102 | 102 | 13 | $1.4M |
| Kisqali Ribociclib Succinate | 83 | 83 | Under 11 | $1.3M |
| Tamoxifen Citrate Generic | 81 | 143 | 18 | $1,815 |
| Calquence Acalabrutinib Maleate | 72 | 72 | 11 | $1.1M |
| Levothyroxine Sodium Generic | 68 | 92 | 15 | $455 |
| Olanzapine Generic | 67 | 78 | 32 | $476 |
| Valacyclovir Valacyclovir Hcl | 63 | 91 | 17 | $2,255 |
| Hydroxyurea Generic | 59 | 97 | 14 | $1,695 |
| Montelukast Sodium Generic | 58 | 72 | 15 | $322 |
| Diphenoxylate-Atropine Diphenoxylate Hcl/Atropine | 58 | 58 | 26 | $1,830 |
| Dexamethasone Generic | 57 | 62 | 24 | $1,134 |
| Ondansetron Odt Ondansetron | 53 | 53 | 36 | $874 |
| Revlimid Lenalidomide | 51 | 51 | Under 11 | $937K |
Brand drugs: - claims; generic drugs: 2,040 claims; opioid claims: 238.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Maroun E Hayek $697 ($697 in general payments such as food, travel and fees) from 23 companies. The largest payer was Gilead Sciences, Inc. with $125.
| Company | Payments | Amount |
|---|---|---|
| Gilead Sciences, Inc. GILD | 1 | $125 |
| Merck Sharp & Dohme LLC MRK | 4 | $93.27 |
| Novartis Pharmaceuticals Corporation NVS | 4 | $85.66 |
| AstraZeneca Pharmaceuticals LP AZN | 2 | $32.38 |
| Takeda Pharmaceuticals U.S.A., Inc. TAK | 1 | $29.76 |
| Myriad Genetic Laboratories, Inc. MYGN | 1 | $25.59 |
| Karyopharm Therapeutics Inc. KPTI | 1 | $23.73 |
| Incyte Corporation INCY | 1 | $22.43 |
| E.R. Squibb & Sons, L.L.C. BMY | 1 | $21.29 |
| Lilly USA, LLC LLY | 1 | $20.98 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.