Quick answers
- Which hospitals does Twyla J. Masterson work at?
- Medicare's official clinician data lists Twyla J. Masterson at 3 hospitals: Benewah Community Hospital, Kootenai Health and Northwest Specialty Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Twyla J. Masterson see patients?
- Medicare's clinician data lists 2 practice locations, including St Maries, ID and Coeur D Alene, ID. Call before your visit to confirm the address.
- What is Twyla J. Masterson's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Twyla J. Masterson accept Medicare assignment?
- Yes. Medicare's clinician data says Twyla J. Masterson 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.
- Does Twyla J. Masterson offer telehealth?
- Medicare's clinician data says Twyla J. Masterson offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Twyla J. Masterson?
- (208) 819-2183, as listed in official Medicare / NPI Registry data.
- What is Twyla J. Masterson's NPI number?
- 1366548661. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Twyla J. Masterson works
Medicare's Facility Affiliation Data lists Twyla J. Masterson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Benewah Community HospitalSaint Maries, ID · Critical Access Hospital · CCN 131317
- Kootenai HealthCoeur D'alene, ID · Acute Care Hospital · CCN 130049
- Northwest Specialty HospitalPost Falls, ID · Acute Care Hospital · CCN 130066
Practice locations
Addresses where Twyla J. Masterson is enrolled with Medicare (CMS data updated 2026-10-02).
- 229 S 7th StSt Maries, ID 83861
- 2426 N Merritt Creek Loop, Suite ACoeur D Alene, ID 83814 (208) 819‑2183
Group practices
Medicare enrollment lists Twyla J. Masterson as a member of these groups (CMS data updated 2026-10-02).
- Benewah Community Hospital38 clinicians in the group
- Meza Post Acute and Long Term Care PLLC24 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Idaho
Clinicians with the same Medicare primary specialty in Idaho — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 1999 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1366548661 |
| 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