Quick answers
- Where does William A. Bell see patients?
- Medicare's clinician data lists 1 practice location in San Mateo, CA. Call before your visit to confirm the address.
- What is William A. Bell's specialty?
- Medicare lists Marriage and Family Therapist as the primary specialty.
- Does William A. Bell accept Medicare assignment?
- Yes. Medicare's clinician data says William A. Bell 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 A. Bell?
- (415) 710-9777, as listed in official Medicare / NPI Registry data.
- What is William A. Bell's NPI number?
- 1902831878. 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 A. Bell is enrolled with Medicare (CMS data updated 2026-10-02).
- 327 N San Mateo Dr, Suite 10San Mateo, CA 94401 (415) 710‑9777
Specialties
Find other clinicians: Marriage and Family Therapist, California →
Other marriage and family therapists in San Mateo
Clinicians with the same Medicare primary specialty in San Mateo, CA — not a recommendation.
Clinician information
| Graduation year | 1993 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1902831878 |
| 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 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