Quick answers
- Which hospitals does Raphael-John H. Keegan work at?
- Medicare's official clinician data lists Raphael-John H. Keegan at 2 hospitals: Stanford Health Care and UCSF Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Raphael-John H. Keegan see patients?
- Medicare's clinician data lists 3 practice locations, including San Francisco, CA and Stanford, CA. Call before your visit to confirm the address.
- What is Raphael-John H. Keegan's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Raphael-John H. Keegan accept Medicare assignment?
- Yes. Medicare's clinician data says Raphael-John H. Keegan 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 Raphael-John H. Keegan?
- (415) 833-2200, as listed in official Medicare / NPI Registry data.
- What is Raphael-John H. Keegan's NPI number?
- 1679967210. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Raphael-John H. Keegan works
Medicare's Facility Affiliation Data lists Raphael-John H. Keegan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Stanford Health CareStanford, CA · Acute Care Hospital · CCN 050441
- UCSF Medical CenterSan Francisco, CA · Acute Care Hospital · CCN 050454
Practice locations
Addresses where Raphael-John H. Keegan is enrolled with Medicare (CMS data updated 2026-10-02).
- 2425 Geary BlvdSan Francisco, CA 94115 (415) 833‑2200
- 300 Pasteur DrStanford, CA 94305 (650) 723‑4000
- 505 Parnassus AveSan Francisco, CA 94143 (415) 476‑1000
Group practices
Medicare enrollment lists Raphael-John H. Keegan as a member of these groups (CMS data updated 2026-10-02).
- Permanente Medical Group Inc10,996 clinicians in the group
- Stanford Health Care3,122 clinicians in the group
- University Anesthesia Medical Group408 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in San Francisco
Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679967210 |
| 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