Quick answers
- Does Sophia N. Antoun accept Medicare assignment?
- Yes. Medicare's clinician data says Sophia N. Antoun accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Sophia N. Antoun's NPI number?
- 1205513645. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sophia N. Antoun works
Medicare's Facility Affiliation Data lists Sophia N. Antoun at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Stanford Health CareStanford, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050441
- Washington HospitalFremont, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050195
Practice locations
Addresses where Sophia N. Antoun is enrolled with Medicare (CMS data updated October 2, 2026).
- 1706 El Camino Real, Suite 101Menlo Park, CA 94027 (510) 818‑7230
- 2000 Mowry AveFremont, CA 94538 (510) 793‑6653
Group practices
Medicare enrollment lists Sophia N. Antoun as a member of this group (CMS data updated October 2, 2026).
- Dearborn and Associates Institute for Joint Restoration9 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Menlo Park
Clinicians with the same Medicare primary specialty in Menlo Park, CA — not a recommendation.
Other clinicians in Dearborn and Associates Institute for Joint Restoration
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205513645 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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