Quick answers
- Where does Erica Ngo see patients?
- Medicare's clinician data lists 2 practice locations, including San Mateo, CA and San Jose, CA. Call before your visit to confirm the address.
- What is Erica Ngo's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Erica Ngo accept Medicare assignment?
- Yes. Medicare's clinician data says Erica Ngo 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 Erica Ngo?
- (650) 341-8080, as listed in official Medicare / NPI Registry data.
- What is Erica Ngo's NPI number?
- 1124575790. 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 Erica Ngo is enrolled with Medicare (CMS data updated 2026-10-02).
- 194 Hillsdale Shopping CtrSan Mateo, CA 94403 (650) 341‑8080
- 377 Santana Row, Suite 1115San Jose, CA 95128 (408) 502‑5020
Group practices
Medicare enrollment lists Erica Ngo as a member of this group (CMS data updated 2026-10-02).
- William y to Od Inc5 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in San Mateo
Clinicians with the same Medicare primary specialty in San Mateo, CA — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124575790 |
| 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