Quick answers
- Which hospitals does Johnson K. Duncan Iii work at?
- Medicare's official clinician data lists Johnson K. Duncan Iii at 2 hospitals: Eagle Butte Indian Health Service Hospital and Saint Alphonsus Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Johnson K. Duncan Iii see patients?
- Medicare's clinician data lists 11 practice locations, including Boise, ID, Star, ID and Nampa, ID. Call before your visit to confirm the address.
- What is Johnson K. Duncan Iii's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Johnson K. Duncan Iii accept Medicare assignment?
- Yes. Medicare's clinician data says Johnson K. Duncan Iii 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 Johnson K. Duncan Iii?
- (208) 302-5900, as listed in official Medicare / NPI Registry data.
- What is Johnson K. Duncan Iii's NPI number?
- 1326798232. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Johnson K. Duncan Iii works
Medicare's Facility Affiliation Data lists Johnson K. Duncan Iii at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Eagle Butte Indian Health Service HospitalEagle Butte, SD · Critical Access Hospital · CCN 431383
- Saint Alphonsus Regional Medical CenterBoise, ID · Acute Care Hospital · CCN 130007
Practice locations
Addresses where Johnson K. Duncan Iii is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 11; the Medicare profile lists all.
- 10583 W Lake Hazel RdBoise, ID 83709 (208) 302‑5900
- 10717 W State StStar, ID 83669 (208) 302‑6300
- 11035 Karcher RdNampa, ID 83651 (208) 302‑2100
- 1150 N Sister Catherine WayNampa, ID 83687 (208) 302‑7000
- 215 E Hawaii AveNampa, ID 83686
Group practices
Medicare enrollment lists Johnson K. Duncan Iii as a member of this group (CMS data updated 2026-10-02).
- Saint Alphonsus Regional Medical Center Inc680 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Boise
Clinicians with the same Medicare primary specialty in Boise, ID — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326798232 |
| 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