Quick answers
- Does William R. Campbell accept Medicare assignment?
- Yes. Medicare's clinician data says William R. Campbell accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is William R. Campbell's NPI number?
- 1780611426. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where William R. Campbell is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Daniel Burnham Ct, Suite 400San Francisco, CA 94109 (415) 409‑7364
- 450 N Wiget LnWalnut Creek, CA 94598 (925) 482‑8151
- 454 N Wiget LnWalnut Creek, CA 94598 (925) 482‑8111
- 650 University Ave, Suite 100Sacramento, CA 95825 (916) 333‑5800
Group practices
Medicare enrollment lists William R. Campbell as a member of this group (CMS data updated October 2, 2026).
- Integrated Pain Management Medical Group Inc44 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in San Francisco
Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.
Other clinicians in Integrated Pain Management Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Midwestern University, Chicago College Of Osteopathic Med |
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780611426 |
| 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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