Quick answers
- Where does Leo Best see patients?
- Medicare's clinician data lists 2 practice locations, including San Diego, CA and Irvine, CA. Call before your visit to confirm the address.
- What is Leo Best's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Leo Best accept Medicare assignment?
- Yes. Medicare's clinician data says Leo Best 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 Leo Best's NPI number?
- 1376723437. 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 Leo Best is enrolled with Medicare (CMS data updated 2026-10-02).
- 10790 Rancho Bernardo RdSan Diego, CA 92127
- 11 Technology DrIrvine, CA 92618
Specialties
- Physician Assistantprimary
Other physician assistants in San Diego
Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1376723437 |
| 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