Quick answers
- Which hospitals does Kathleen A. Regacho work at?
- Medicare's official clinician data lists Kathleen A. Regacho at 4 hospitals: Kaiser Foundation Hospital - San Francisco, Sutter Delta Medical Center, UCSF Health Saint Francis Hospital and UCSF Health St. Mary's Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Kathleen A. Regacho see patients?
- Medicare's clinician data lists 3 practice locations, including San Francisco, CA and Santa Clara, CA. Call before your visit to confirm the address.
- What is Kathleen A. Regacho's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Kathleen A. Regacho accept Medicare assignment?
- Yes. Medicare's clinician data says Kathleen A. Regacho 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 Kathleen A. Regacho?
- (415) 668-1000, as listed in official Medicare / NPI Registry data.
- What is Kathleen A. Regacho's NPI number?
- 1023331865. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Kathleen A. Regacho works
Medicare's Facility Affiliation Data lists Kathleen A. Regacho at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Kaiser Foundation Hospital - San FranciscoSan Francisco, CA · Acute Care Hospital · CCN 050076
- Sutter Delta Medical CenterAntioch, CA · Acute Care Hospital · CCN 050523
- UCSF Health Saint Francis HospitalSan Francisco, CA · Acute Care Hospital · CCN 050152
- UCSF Health St. Mary's HospitalSan Francisco, CA · Acute Care Hospital · CCN 050457
Practice locations
Addresses where Kathleen A. Regacho is enrolled with Medicare (CMS data updated 2026-10-02).
- 450 Stanyan StSan Francisco, CA 94117 (415) 668‑1000
- 710 Lawrence Express WaySanta Clara, CA 95051 (408) 851‑1000
- 900 Hyde StSan Francisco, CA 94109 (415) 353‑6000
Group practices
Medicare enrollment lists Kathleen A. Regacho as a member of these groups (CMS data updated 2026-10-02).
- Permanente Medical Group Inc10,996 clinicians in the group
- Cep America - California1,292 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in San Francisco
Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Irvine, California College Of Medicine |
| Graduation year | 2008 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023331865 |
| 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