Quick answers
- Which hospitals does Nathan Nielson work at?
- Medicare's official clinician data lists Nathan Nielson at 2 hospitals: St Marys Regional Medical Center and William Bee Ririe Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nathan Nielson see patients?
- Medicare's clinician data lists 2 practice locations, including St George, UT and Russellville, AR. Call before your visit to confirm the address.
- What is Nathan Nielson's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Nathan Nielson accept Medicare assignment?
- Yes. Medicare's clinician data says Nathan Nielson 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 Nielson?
- (435) 624-6000, as listed in official Medicare / NPI Registry data.
- What is Nathan Nielson's NPI number?
- 1659697555. 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 Nielson works
Medicare's Facility Affiliation Data lists Nathan Nielson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- St Marys Regional Medical CenterRussellville, AR · Acute Care Hospital · CCN 040041
- William Bee Ririe HospitalEly, NV · Critical Access Hospital · CCN 291302
Practice locations
Addresses where Nathan Nielson is enrolled with Medicare (CMS data updated 2026-10-02).
- 1739 W Sunset BlvdSt George, UT 84770 (435) 624‑6000
- 1808 W Main StRussellville, AR 72801 (501) 968‑2841
Group practices
Medicare enrollment lists Nathan Nielson as a member of these groups (CMS data updated 2026-10-02).
- Ihc Health Services Inc3,960 clinicians in the group
- Southeastern Emergency Physicians LLC784 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in St George
Clinicians with the same Medicare primary specialty in St George, UT — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | At Still University Of Health Sciences, College Of Osteo Med, Kirksville |
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659697555 |
| 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