Quick answers
- Which hospitals does Antoine B. Rizk work at?
- Medicare's official clinician data lists Antoine B. Rizk at 5 hospitals: Memorial Hospital at Gulfport, Memorial Hospital Biloxi, Ochsner Medical Center-Hancock, Singing River Gulfport and Singing River Health System. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Antoine B. Rizk see patients?
- Medicare's clinician data lists 8 practice locations, including Gulfport, MS, Wiggins, MS and Biloxi, MS. Call before your visit to confirm the address.
- What is Antoine B. Rizk's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Antoine B. Rizk accept Medicare assignment?
- Yes. Medicare's clinician data says Antoine B. Rizk 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.
- Does Antoine B. Rizk offer telehealth?
- Medicare's clinician data says Antoine B. Rizk offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Antoine B. Rizk?
- (228) 863-8868, as listed in official Medicare / NPI Registry data.
- What is Antoine B. Rizk's NPI number?
- 1568411403. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Antoine B. Rizk works
Medicare's Facility Affiliation Data lists Antoine B. Rizk at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Memorial Hospital at GulfportGulfport, MS · Acute Care Hospital · CCN 250019
- Memorial Hospital BiloxiBiloxi, MS · Acute Care Hospital · CCN 250007
- Ochsner Medical Center-HancockBay Saint Louis, MS · Acute Care Hospital · CCN 250162
- Singing River GulfportGulfport, MS · Acute Care Hospital · CCN 250123
- Singing River Health SystemPascagoula, MS · Acute Care Hospital · CCN 250040
Practice locations
Addresses where Antoine B. Rizk is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 1340 Broad AveGulfport, MS 39501
- 1391 Broad Ave, Suite AGulfport, MS 39501 (228) 863‑8868
- 1397 Broad AveGulfport, MS 39501 (228) 575‑1945
- 1440 Central Ave EWiggins, MS 39577 (601) 928‑6700
- 1756 Popps Ferry RdBiloxi, MS 39532
Group practices
Medicare enrollment lists Antoine B. Rizk as a member of this group (CMS data updated 2026-10-02).
- Memorial Hospital at Gulfport474 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Mississippi →
Other cardiologists in Gulfport
Clinicians with the same Medicare primary specialty in Gulfport, MS — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1568411403 |
| 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