Quick answers
- Which hospitals does Michael D. Holyoak work at?
- Medicare's official clinician data lists Michael D. Holyoak at 5 hospitals: Saint Alphonsus Regional Medical Center, St Luke's Elmore Medical Center, St Luke's McCall, St Luke's Nampa Medical Center and St Luke's Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael D. Holyoak see patients?
- Medicare's clinician data lists 3 practice locations, including Meridian, ID and Boise, ID. Call before your visit to confirm the address.
- What is Michael D. Holyoak's specialty?
- Medicare lists Endocrinology as the primary specialty.
- Does Michael D. Holyoak accept Medicare assignment?
- Yes. Medicare's clinician data says Michael D. Holyoak 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 Michael D. Holyoak?
- (208) 381-5970, as listed in official Medicare / NPI Registry data.
- What is Michael D. Holyoak's NPI number?
- 1679968051. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael D. Holyoak works
Medicare's Facility Affiliation Data lists Michael D. Holyoak at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Saint Alphonsus Regional Medical CenterBoise, ID · Acute Care Hospital · CCN 130007
- St Luke's Elmore Medical CenterMountain Home, ID · Critical Access Hospital · CCN 131311
- St Luke's McCallMcCall, ID · Critical Access Hospital · CCN 131312
- St Luke's Nampa Medical CenterNampa, ID · Acute Care Hospital · CCN 130071
- St Luke's Regional Medical CenterBoise, ID · Acute Care Hospital · CCN 130006
Practice locations
Addresses where Michael D. Holyoak is enrolled with Medicare (CMS data updated 2026-10-02).
- 520 S Eagle RdMeridian, ID 83642
- 608 W Hays StBoise, ID 83702 (208) 381‑5970
- 610 W Hays StBoise, ID 83702
Group practices
Medicare enrollment lists Michael D. Holyoak as a member of this group (CMS data updated 2026-10-02).
- St Lukes Clinic-Treasure Valley LLC1,173 clinicians in the group
Specialties
- Endocrinologyprimary
Other endocrinologists in Idaho
Clinicians with the same Medicare primary specialty in Idaho — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Des Moines University Of Osteopathic Medicine And Health Sciences |
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679968051 |
| 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