Quick answers
- Where does Robbie Masangkay see patients?
- Medicare's clinician data lists 3 practice locations, including San Mateo, CA, Santa Clara, CA and Sunnyvale, CA. Call before your visit to confirm the address.
- What is Robbie Masangkay's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Robbie Masangkay accept Medicare assignment?
- Yes. Medicare's clinician data says Robbie Masangkay 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 Robbie Masangkay?
- (510) 992-4114, as listed in official Medicare / NPI Registry data.
- What is Robbie Masangkay's NPI number?
- 1639712599. 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 Robbie Masangkay is enrolled with Medicare (CMS data updated 2026-10-02).
- 66 Bovet Rd, Suite 105San Mateo, CA 94402 (510) 992‑4114
- 710 Lawrence Express WaySanta Clara, CA 95051 (408) 851‑1000
- 717 E Camino Real, Suite 5Sunnyvale, CA 94087 (408) 228‑3700
Group practices
Medicare enrollment lists Robbie Masangkay as a member of these groups (CMS data updated 2026-10-02).
- Permanente Medical Group Inc10,996 clinicians in the group
- Infusion Express of California Inc23 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in San Mateo
Clinicians with the same Medicare primary specialty in San Mateo, CA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639712599 |
| 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