Quick answers
- Which hospitals does Nathan Armstrong work at?
- Medicare's official clinician data lists Nathan Armstrong at 1 hospital: Merit Health River Oaks. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nathan Armstrong see patients?
- Medicare's clinician data lists 1 practice location in Jackson, MS. Call before your visit to confirm the address.
- What is Nathan Armstrong's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Nathan Armstrong accept Medicare assignment?
- Yes. Medicare's clinician data says Nathan Armstrong 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 Nathan Armstrong?
- (601) 376-2832, as listed in official Medicare / NPI Registry data.
- What is Nathan Armstrong's NPI number?
- 1235768581. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nathan Armstrong works
Medicare's Facility Affiliation Data lists Nathan Armstrong at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Merit Health River OaksFlowood, MS · Acute Care Hospital · CCN 250138
Practice locations
Addresses where Nathan Armstrong is enrolled with Medicare (CMS data updated 2026-10-02).
- 1850 Chadwick DrJackson, MS 39204 (601) 376‑2832
Group practices
Medicare enrollment lists Nathan Armstrong as a member of this group (CMS data updated 2026-10-02).
- Jackson HB Medical Services LLC52 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Jackson
Clinicians with the same Medicare primary specialty in Jackson, MS — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Mississippi School Of Medicine |
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1235768581 |
| 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