Quick answers
- Which hospitals does Danielle Williamson work at?
- Medicare's official clinician data lists Danielle Williamson at 2 hospitals: UCSF Health St. Mary's Hospital and UCSF Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Danielle Williamson see patients?
- Medicare's clinician data lists 2 practice locations, including San Francisco, CA. Call before your visit to confirm the address.
- What is Danielle Williamson's specialty?
- Medicare lists Anesthesiology as the primary specialty, and also Critical Care (Intensivists).
- Does Danielle Williamson accept Medicare assignment?
- Yes. Medicare's clinician data says Danielle Williamson 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 Danielle Williamson?
- (415) 476-1000, as listed in official Medicare / NPI Registry data.
- What is Danielle Williamson's NPI number?
- 1124403860. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Danielle Williamson works
Medicare's Facility Affiliation Data lists Danielle Williamson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- UCSF Health St. Mary's HospitalSan Francisco, CA · Acute Care Hospital · CCN 050457
- UCSF Medical CenterSan Francisco, CA · Acute Care Hospital · CCN 050454
Practice locations
Addresses where Danielle Williamson is enrolled with Medicare (CMS data updated 2026-10-02).
- 1600 Divisadero StSan Francisco, CA 94115 (415) 476‑1000
- 505 Parnassus AveSan Francisco, CA 94143 (415) 476‑1000
Group practices
Medicare enrollment lists Danielle Williamson as a member of this group (CMS data updated 2026-10-02).
- University Anesthesia Medical Group408 clinicians in the group
Specialties
- Anesthesiologyprimary
- Critical Care (Intensivists)also
Other anesthesiologists in San Francisco
Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Oregon Health Sciences University School Of Medicine |
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124403860 |
| 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