Quick answers
- Which hospitals does Chike B. Onyali work at?
- Medicare's official clinician data lists Chike B. Onyali at 3 hospitals: Merit Health Natchez, Merit Health River Region and University of Mississippi Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Chike B. Onyali see patients?
- Medicare's clinician data lists 2 practice locations, including Vicksburg, MS and Natchez, MS. Call before your visit to confirm the address.
- What is Chike B. Onyali's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Chike B. Onyali accept Medicare assignment?
- Yes. Medicare's clinician data says Chike B. Onyali 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.
- What is the phone number for Chike B. Onyali?
- (601) 883-5001, as listed in official Medicare / NPI Registry data.
- What is Chike B. Onyali's NPI number?
- 1932842861. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Chike B. Onyali works
Medicare's Facility Affiliation Data lists Chike B. Onyali at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Merit Health NatchezNatchez, MS · Acute Care Hospital · CCN 250084
- Merit Health River RegionVicksburg, MS · Acute Care Hospital · CCN 250031
- University of Mississippi Medical CenterJackson, MS · Acute Care Hospital · CCN 250001
Practice locations
Addresses where Chike B. Onyali is enrolled with Medicare (CMS data updated 2026-10-02).
- 2100 Hwy 61 NVicksburg, MS 39183 (601) 883‑5001
- 54 Sergeant Prentiss DrNatchez, MS 39120 (601) 443‑2100
Group practices
Medicare enrollment lists Chike B. Onyali as a member of these groups (CMS data updated 2026-10-02).
- Natchez HB Medical Services LLC31 clinicians in the group
- Vicksburg Healthcare LLC9 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Vicksburg
Clinicians with the same Medicare primary specialty in Vicksburg, MS — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1932842861 |
| 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