Antoine Rizk, M.D.
NPI 1568411403ActiveIndividual· Internal Medicine, Cardiovascular Disease· Biloxi, MS
Internal Medicine, Cardiovascular Disease (M.D.) with Memorial Hospital at Gulfport, practicing in Biloxi, Mississippi. In 2024 Medicare paid $538,211 for 2,424 patients, and Part D covered 1,085 of their prescriptions, 78% of them generic. Penumbra, Inc. was the largest of 25 companies reporting payments in 2025, $4,206 in all, mostly food and beverage. Lists Memorial Hospital at Gulfport and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1568411403 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 9, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 16627 | MS |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiovascular Disease (Cardiology) (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 2,424 |
|---|---|
| Services billed | 11,284 across 113 procedure codes |
| Paid by Medicare | $538,211 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,085 · 2,426 30-day fills |
|---|---|
| Patients | 302 |
| Total drug cost | $201,730 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Telehealth | Offers telehealth |
Medical group
- Memorial Hospital at GulfportGulfport, MS · 474 clinicians
Hospital affiliations
- Memorial Hospital at GulfportGulfport, MS
- Memorial Hospital BiloxiBiloxi, MS
- Ochsner Medical Center-HancockBay Saint Louis, MS
- Singing River GulfportGulfport, MS
- Singing River Health SystemPascagoula, MS
Other facilities
- Adoration Home HealthHome health agency · Gulfport, MS
- Deaconess Homecare- Region IHome health agency · Laurel, MS
- Mississippi Homecare of PicayuneHome health agency · Picayune, MS
- Vitalcaring GroupHome health agency · Gulfport, MS
Industry payments (Open Payments)
- 2025$4,206 · 151 payments from 25 companies
- 2024$4,957 · 136 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Penumbra, Inc. | $942.97 | 7 |
| Abiomed | $566.90 | 15 |
| Abbott Laboratories | $531.05 | 24 |
| E.R. Squibb & Sons, L.L.C. | $336.87 | 20 |
| Boston Scientific Corporation | $325.45 | 12 |
What the 2025 payments were for
- Food and Beverage$3,737 · 150 payments
- Travel and Lodging$469.35 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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