Quick answers
- Which hospitals does Clarissa A. Castillo work at?
- Medicare's official clinician data lists Clarissa A. Castillo at 1 hospital: Scripps Mercy Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Clarissa A. Castillo see patients?
- Medicare's clinician data lists 3 practice locations, including Chula Vista, CA and San Ysidro, CA. Call before your visit to confirm the address.
- What is Clarissa A. Castillo's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Clarissa A. Castillo accept Medicare assignment?
- Yes. Medicare's clinician data says Clarissa A. Castillo 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.
- Does Clarissa A. Castillo offer telehealth?
- Medicare's clinician data says Clarissa A. Castillo offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Clarissa A. Castillo?
- (619) 662-4100, as listed in official Medicare / NPI Registry data.
- What is Clarissa A. Castillo's NPI number?
- 1871506378. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Clarissa A. Castillo works
Medicare's Facility Affiliation Data lists Clarissa A. Castillo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Scripps Mercy HospitalSan Diego, CA · Acute Care Hospital · CCN 050077
Practice locations
Addresses where Clarissa A. Castillo is enrolled with Medicare (CMS data updated 2026-10-02).
- 1637 3rd Ave, Suite BChula Vista, CA 91911 (619) 662‑4100
- 4004 Beyer BlvdSan Ysidro, CA 92173 (619) 428‑4463
- 4050 Beyer BlvdSan Ysidro, CA 92173 (619) 662‑4100
Group practices
Medicare enrollment lists Clarissa A. Castillo as a member of this group (CMS data updated 2026-10-02).
- Centro de Salud de la Comunidad de San Ysidro, Inc.297 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Chula Vista
Clinicians with the same Medicare primary specialty in Chula Vista, CA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2005 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1871506378 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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