Quick answers
- Where does Sierra K. Lo see patients?
- Medicare's clinician data lists 1 practice location in San Dimas, CA. Call before your visit to confirm the address.
- What is Sierra K. Lo's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Sierra K. Lo accept Medicare assignment?
- Yes. Medicare's clinician data says Sierra K. Lo 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 Sierra K. Lo?
- (909) 599-1100, as listed in official Medicare / NPI Registry data.
- What is Sierra K. Lo's NPI number?
- 1730972571. 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 Sierra K. Lo is enrolled with Medicare (CMS data updated 2026-10-02).
- 120 W Bonita Ave, Suite ASan Dimas, CA 91773 (909) 599‑1100
Group practices
Medicare enrollment lists Sierra K. Lo as a member of this group (CMS data updated 2026-10-02).
- Suzan Burmayan Od a Professional Corporation2 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in San Dimas
Clinicians with the same Medicare primary specialty in San Dimas, CA — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | Southern California College Of Optometry |
| Graduation year | 2025 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1730972571 |
| 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