Quick answers
- Which hospitals does Caitlin C. De Castro work at?
- Medicare's official clinician data lists Caitlin C. De Castro at 2 hospitals: Peninsula Medical Center and Providence Santa Rosa Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Caitlin C. De Castro see patients?
- Medicare's clinician data lists 7 practice locations, including Santa Rosa, CA, San Mateo, CA and Anaheim, CA. Call before your visit to confirm the address.
- What is Caitlin C. De Castro's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Caitlin C. De Castro accept Medicare assignment?
- Yes. Medicare's clinician data says Caitlin C. De Castro 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 Caitlin C. De Castro offer telehealth?
- Medicare's clinician data says Caitlin C. De Castro offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Caitlin C. De Castro?
- (707) 546-3210, as listed in official Medicare / NPI Registry data.
- What is Caitlin C. De Castro's NPI number?
- 1265219075. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Caitlin C. De Castro works
Medicare's Facility Affiliation Data lists Caitlin C. De Castro at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Peninsula Medical CenterBurlingame, CA · Acute Care Hospital · CCN 050007
- Providence Santa Rosa Memorial HospitalSanta Rosa, CA · Acute Care Hospital · CCN 050174
Practice locations
Addresses where Caitlin C. De Castro is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1162 Montgomery DrSanta Rosa, CA 95405
- 1165 Montgomery DrSanta Rosa, CA 95405 (707) 546‑3210
- 123 S San Mateo DrSan Mateo, CA 94401 (650) 343‑4200
- 200 W Ctr St PromenadeAnaheim, CA 92805
- 50 S San Mateo DrSan Mateo, CA 94401 (650) 652‑8500
Group practices
Medicare enrollment lists Caitlin C. De Castro as a member of these groups (CMS data updated 2026-10-02).
- Sutter Bay Medical Foundation3,829 clinicians in the group
- Providence Medical Foundation1,466 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Santa Rosa
Clinicians with the same Medicare primary specialty in Santa Rosa, CA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1265219075 |
| 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