Quick answers
- Which hospitals does William Berg work at?
- Medicare's official clinician data lists William Berg at 4 hospitals: St. Patrick Hospital, Swedish Edmonds Hospital, Swedish Medical Center and Swedish Medical Center / Cherry Hill. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William Berg see patients?
- Medicare's clinician data lists 3 practice locations, including Missoula, MT and Seattle, WA. Call before your visit to confirm the address.
- What is William Berg's specialty?
- Medicare lists Neurology as the primary specialty.
- Does William Berg accept Medicare assignment?
- Yes. Medicare's clinician data says William Berg 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 William Berg?
- (406) 329-5828, as listed in official Medicare / NPI Registry data.
- What is William Berg's NPI number?
- 1568461507. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William Berg works
Medicare's Facility Affiliation Data lists William Berg at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- St. Patrick HospitalMissoula, MT · Acute Care Hospital · CCN 270014
- Swedish Edmonds HospitalEdmonds, WA · Acute Care Hospital · CCN 500026
- Swedish Medical CenterSeattle, WA · Acute Care Hospital · CCN 500027
- Swedish Medical Center / Cherry HillSeattle, WA · Acute Care Hospital · CCN 500025
Practice locations
Addresses where William Berg is enrolled with Medicare (CMS data updated 2026-10-02).
- 500 W Broadway StMissoula, MT 59802 (406) 329‑5828
- 601 W Spruce St, Suite JMissoula, MT 59802 (406) 327‑3100
- 747 BroadwaySeattle, WA 98122 (206) 386‑6000
Group practices
Medicare enrollment lists William Berg as a member of these groups (CMS data updated 2026-10-02).
- Swedish Health Services1,037 clinicians in the group
- Providence Health and Services Mt362 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Missoula
Clinicians with the same Medicare primary specialty in Missoula, MT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, San Diego School Of Medicine |
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1568461507 |
| 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