Quick answers
- Where does Benjamin H. Na see patients?
- Medicare's clinician data lists 2 practice locations, including San Mateo, CA and San Ramon, CA. Call before your visit to confirm the address.
- What is Benjamin H. Na's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Benjamin H. Na accept Medicare assignment?
- Yes. Medicare's clinician data says Benjamin H. Na 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 Benjamin H. Na?
- (650) 349-5733, as listed in official Medicare / NPI Registry data.
- What is Benjamin H. Na's NPI number?
- 1063454130. 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 Benjamin H. Na is enrolled with Medicare (CMS data updated 2026-10-02).
- 115 W 25th AveSan Mateo, CA 94403 (650) 349‑5733
- 3191 Crow Canyon Pl, Suite CSan Ramon, CA 94583 (925) 244‑1400
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 | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1063454130 |
| 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