Quick answers
- Does Gina P. Mezzera accept Medicare assignment?
- Medicare's clinician data says Gina P. Mezzera may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- What is Gina P. Mezzera's NPI number?
- 1588780027. 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 Gina P. Mezzera is enrolled with Medicare (CMS data updated October 2, 2026).
- 2000 Alameda De Las Pulgas, Suite 280San Mateo, CA 94403
- 2415 University Ave, Suite 301East Palo Alto, CA 94303
Specialties
- Clinical Social Workerprimary
Other clinical social workers in San Mateo
Clinicians with the same Medicare primary specialty in San Mateo, CA — not a recommendation.
Clinician information
| Graduation year | 2005 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1588780027 |
| 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