Quick answers
- Which hospitals does Lex K. Grimley work at?
- Medicare's official clinician data lists Lex K. Grimley at 2 hospitals: Intermountain Health Riverton Hospital and Intermountain Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Lex K. Grimley see patients?
- Medicare's clinician data lists 2 practice locations, including Riverton, UT and Fillmore, UT. Call before your visit to confirm the address.
- What is Lex K. Grimley's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Lex K. Grimley accept Medicare assignment?
- Yes. Medicare's clinician data says Lex K. Grimley 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 Lex K. Grimley's NPI number?
- 1164728960. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Lex K. Grimley works
Medicare's Facility Affiliation Data lists Lex K. Grimley at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Intermountain Health Riverton HospitalRiverton, UT · Acute Care Hospital · CCN 460058
- Intermountain Medical CenterMurray, UT · Acute Care Hospital · CCN 460010
Practice locations
Addresses where Lex K. Grimley is enrolled with Medicare (CMS data updated 2026-10-02).
- 3741 W 12600Riverton, UT 84065
- 700 S Hwy 99, Suite 3Fillmore, UT 84631
Group practices
Medicare enrollment lists Lex K. Grimley as a member of this group (CMS data updated 2026-10-02).
- Ihc Health Services Inc3,960 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Riverton
Clinicians with the same Medicare primary specialty in Riverton, UT — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164728960 |
| 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