Quick answers
- Which hospitals does Claude A. Tonnerre work at?
- Medicare's official clinician data lists Claude A. Tonnerre at 2 hospitals: Bitterroot Health - Daly Hospital and St. Patrick Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Claude A. Tonnerre see patients?
- Medicare's clinician data lists 2 practice locations, including Missoula, MT. Call before your visit to confirm the address.
- What is Claude A. Tonnerre's specialty?
- Medicare lists Infectious Disease as the primary specialty, and also Internal Medicine.
- Does Claude A. Tonnerre accept Medicare assignment?
- Yes. Medicare's clinician data says Claude A. Tonnerre 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 Claude A. Tonnerre offer telehealth?
- Medicare's clinician data says Claude A. Tonnerre offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Claude A. Tonnerre?
- (406) 543-7271, as listed in official Medicare / NPI Registry data.
- What is Claude A. Tonnerre's NPI number?
- 1780879098. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Claude A. Tonnerre works
Medicare's Facility Affiliation Data lists Claude A. Tonnerre at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bitterroot Health - Daly HospitalHamilton, MT · Critical Access Hospital · CCN 271340
- St. Patrick HospitalMissoula, MT · Acute Care Hospital · CCN 270014
Practice locations
Addresses where Claude A. Tonnerre is enrolled with Medicare (CMS data updated 2026-10-02).
- 500 W Broadway StMissoula, MT 59802 (406) 543‑7271
- 902 N Orange StMissoula, MT 59802
Group practices
Medicare enrollment lists Claude A. Tonnerre as a member of these groups (CMS data updated 2026-10-02).
- Providence Health and Services Oregon1,433 clinicians in the group
- Providence Health and Services Washington475 clinicians in the group
- Providence Health and Services Mt362 clinicians in the group
- Providence Medical Institute288 clinicians in the group
Specialties
- Infectious Diseaseprimary
- Internal Medicinealso
Other infectious disease doctors in Missoula
Clinicians with the same Medicare primary specialty in Missoula, MT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1780879098 |
| 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