Quick answers
- Which hospitals does Mark Reilly work at?
- Medicare's official clinician data lists Mark Reilly at 1 hospital: Holy Cross Hospital-Jordan Valley. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Reilly see patients?
- Medicare's clinician data lists 2 practice locations, including West Valley City, UT and Salt Lake City, UT. Call before your visit to confirm the address.
- What is Mark Reilly's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does Mark Reilly accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Reilly 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 Mark Reilly?
- (901) 964-3855, as listed in official Medicare / NPI Registry data.
- What is Mark Reilly's NPI number?
- 1699799981. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark Reilly works
Medicare's Facility Affiliation Data lists Mark Reilly at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Holy Cross Hospital-Jordan ValleyWest Jordan, UT · Acute Care Hospital · CCN 460051
Practice locations
Addresses where Mark Reilly is enrolled with Medicare (CMS data updated 2026-10-02).
- 3336 S 4155, Suite 301West Valley City, UT 84120 (901) 964‑3855
- 82 S 1100, Suite 103Salt Lake City, UT 84102 (801) 505‑5370
Group practices
Medicare enrollment lists Mark Reilly as a member of this group (CMS data updated 2026-10-02).
- Catholic Health Initiatives Colorado1,225 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 | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699799981 |
| 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