Quick answers
- Which hospitals does John W. Ruby work at?
- Medicare's official clinician data lists John W. Ruby at 1 hospital: West Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John W. Ruby see patients?
- Medicare's clinician data lists 2 practice locations, including Caldwell, ID. Call before your visit to confirm the address.
- What is John W. Ruby's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does John W. Ruby accept Medicare assignment?
- Yes. Medicare's clinician data says John W. Ruby 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 John W. Ruby?
- (208) 459-4641, as listed in official Medicare / NPI Registry data.
- What is John W. Ruby's NPI number?
- 1043804339. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John W. Ruby works
Medicare's Facility Affiliation Data lists John W. Ruby at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- West Valley Medical CenterCaldwell, ID · Acute Care Hospital · CCN 130014
Practice locations
Addresses where John W. Ruby is enrolled with Medicare (CMS data updated 2026-10-02).
- 1717 Arlington AveCaldwell, ID 83605 (208) 459‑4641
- 3115 Medical DrCaldwell, ID 83605 (208) 779‑2889
Group practices
Medicare enrollment lists John W. Ruby as a member of these groups (CMS data updated 2026-10-02).
- West Valley Medical Associates Inc30 clinicians in the group
- Anesthesia Consulting Partners Idaho PC8 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Idaho →
Other nurse anesthetists in Caldwell
Clinicians with the same Medicare primary specialty in Caldwell, ID — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043804339 |
| 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