Quick answers
- Which hospitals does Maria E. Castillejos work at?
- Medicare's official clinician data lists Maria E. Castillejos at 1 hospital: Sharp Chula Vista Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Maria E. Castillejos see patients?
- Medicare's clinician data lists 2 practice locations, including Chula Vista, CA. Call before your visit to confirm the address.
- What is Maria E. Castillejos's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Maria E. Castillejos accept Medicare assignment?
- Yes. Medicare's clinician data says Maria E. Castillejos 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 Maria E. Castillejos?
- (619) 422-1471, as listed in official Medicare / NPI Registry data.
- What is Maria E. Castillejos's NPI number?
- 1043395098. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Maria E. Castillejos works
Medicare's Facility Affiliation Data lists Maria E. Castillejos at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Sharp Chula Vista Medical CenterChula Vista, CA · Acute Care Hospital · CCN 050222
Practice locations
Addresses where Maria E. Castillejos is enrolled with Medicare (CMS data updated 2026-10-02).
- 342 F StChula Vista, CA 91910 (619) 422‑1471
- 681 3rd AveChula Vista, CA 91910
Group practices
Medicare enrollment lists Maria E. Castillejos as a member of these groups (CMS data updated 2026-10-02).
- Eye Physicians Medical Surgical Center9 clinicians in the group
- Castillejos Eye Institute Medical Group6 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Chula Vista
Clinicians with the same Medicare primary specialty in Chula Vista, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1973 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043395098 |
| 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