Quick answers
- Where does Ann M. Mason see patients?
- Medicare's clinician data lists 1 practice location in Santa Clara, CA. Call before your visit to confirm the address.
- What is Ann M. Mason's specialty?
- Medicare lists Marriage and Family Therapist as the primary specialty.
- Does Ann M. Mason accept Medicare assignment?
- Yes. Medicare's clinician data says Ann M. Mason 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 Ann M. Mason?
- (866) 280-0260, as listed in official Medicare / NPI Registry data.
- What is Ann M. Mason's NPI number?
- 1790153526. 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 Ann M. Mason is enrolled with Medicare (CMS data updated 2026-10-02).
- 4633 Old Ironsides Dr, Suite 304Santa Clara, CA 95054 (866) 280‑0260
Group practices
Medicare enrollment lists Ann M. Mason as a member of this group (CMS data updated 2026-10-02).
- Sud Specialty Group - Ca568 clinicians in the group
Specialties
Find other clinicians: Marriage and Family Therapist, California →
Other marriage and family therapists in Santa Clara
Clinicians with the same Medicare primary specialty in Santa Clara, CA — not a recommendation.
Clinician information
| Graduation year | 1996 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790153526 |
| 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