Quick answers
- Which hospitals does John R. Westberg work at?
- Medicare's official clinician data lists John R. Westberg at 2 hospitals: Gritman Medical Center and St Joseph Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John R. Westberg see patients?
- Medicare's clinician data lists 2 practice locations, including Rhinelander, WI and Moscow, ID. Call before your visit to confirm the address.
- What is John R. Westberg's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does John R. Westberg accept Medicare assignment?
- Yes. Medicare's clinician data says John R. Westberg 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 R. Westberg?
- (715) 361-2000, as listed in official Medicare / NPI Registry data.
- What is John R. Westberg's NPI number?
- 1255302337. 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 R. Westberg works
Medicare's Facility Affiliation Data lists John R. Westberg at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Gritman Medical CenterMoscow, ID · Critical Access Hospital · CCN 131327
- St Joseph Regional Medical CenterLewiston, ID · Acute Care Hospital · CCN 130003
Practice locations
Addresses where John R. Westberg is enrolled with Medicare (CMS data updated 2026-10-02).
- 2251 N Shore Dr, Suite 100Rhinelander, WI 54501 (715) 361‑2000
- 700 S Main StMoscow, ID 83843 (208) 746‑7555
Group practices
Medicare enrollment lists John R. Westberg as a member of these groups (CMS data updated 2026-10-02).
- Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc.574 clinicians in the group
- Panhandle Anesthesia Associates of Moscow7 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Wisconsin →
Other nurse anesthetists in Rhinelander
Clinicians with the same Medicare primary specialty in Rhinelander, WI — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255302337 |
| 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