Quick answers
- Where does Cassandra M. Mason see patients?
- Medicare's clinician data lists 1 practice location in San Mateo, CA. Call before your visit to confirm the address.
- What is Cassandra M. Mason's specialty?
- Medicare lists Chiropractic as the primary specialty.
- Does Cassandra M. Mason accept Medicare assignment?
- Medicare's clinician data says Cassandra M. Mason may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Cassandra M. Mason?
- (650) 571-1122, as listed in official Medicare / NPI Registry data.
- What is Cassandra M. Mason's NPI number?
- 1942437553. 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 Cassandra M. Mason is enrolled with Medicare (CMS data updated 2026-10-02).
- 70 N El Camino Real, Suite BSan Mateo, CA 94401 (650) 571‑1122
Specialties
- Chiropracticprimary
Other chiropractors in San Mateo
Clinicians with the same Medicare primary specialty in San Mateo, CA — not a recommendation.
Clinician information
| Credential | CH |
|---|---|
| Medical school | Life Chiropractic College - West |
| Graduation year | 2007 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1942437553 |
| 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