Quick answers
- Where does Jeffrey Castillo see patients?
- Medicare's clinician data lists 2 practice locations, including Long Beach, CA and Pomona, CA. Call before your visit to confirm the address.
- What is Jeffrey Castillo's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Jeffrey Castillo accept Medicare assignment?
- Medicare's clinician data says Jeffrey Castillo may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is Jeffrey Castillo's NPI number?
- 1063361244. 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 Jeffrey Castillo is enrolled with Medicare (CMS data updated 2026-10-02).
- 106 Mira Mar Ave Apt, Suite 5Long Beach, CA 90803
- 840 Towne Ctr DrPomona, CA 91767
Specialties
- Physician Assistantprimary
Other physician assistants in Long Beach
Clinicians with the same Medicare primary specialty in Long Beach, CA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2025 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1063361244 |
| 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