Quick answers
- Which hospitals does Ryan Nielsen work at?
- Medicare's official clinician data lists Ryan Nielsen at 5 hospitals: American Fork Hospital, Intermountain Health Heber Valley Hospital, Intermountain Health Utah Valley Hospital, Park City Hospital and San Juan Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ryan Nielsen see patients?
- Medicare's clinician data lists 4 practice locations, including Provo, UT and St George, UT. Call before your visit to confirm the address.
- What is Ryan Nielsen's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does Ryan Nielsen accept Medicare assignment?
- Yes. Medicare's clinician data says Ryan Nielsen 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 Ryan Nielsen?
- (801) 379-6700, as listed in official Medicare / NPI Registry data.
- What is Ryan Nielsen's NPI number?
- 1821032863. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ryan Nielsen works
Medicare's Facility Affiliation Data lists Ryan Nielsen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- American Fork HospitalAmerican Fork, UT · Acute Care Hospital · CCN 460023
- Intermountain Health Heber Valley HospitalHeber City, UT · Critical Access Hospital · CCN 461307
- Intermountain Health Utah Valley HospitalProvo, UT · Acute Care Hospital · CCN 460001
- Park City HospitalPark City, UT · Acute Care Hospital · CCN 460057
- San Juan HospitalMonticello, UT · Critical Access Hospital · CCN 461308
Practice locations
Addresses where Ryan Nielsen is enrolled with Medicare (CMS data updated 2026-10-02).
- 1055 N 300, Suite 308Provo, UT 84604 (801) 379‑6700
- 280 River Park Dr, Suite 120Provo, UT 84604
- 306 River Bend LnProvo, UT 84604 (801) 226‑5800
- 544 S 400, Drmc Physicians BillingSt George, UT 84770 (435) 688‑4000
Group practices
Medicare enrollment lists Ryan Nielsen as a member of these groups (CMS data updated 2026-10-02).
- Ihc Health Services Inc3,960 clinicians in the group
- Utah Valley Radiology Associates Inc35 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Utah
Clinicians with the same Medicare primary specialty in Utah — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Creighton University School Of Medicine |
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821032863 |
| 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