Quick answers
- Which hospitals does Trevan D. Fischer work at?
- Medicare's official clinician data lists Trevan D. Fischer at 4 hospitals: Cedars-Sinai Medical Center, Providence St. Joseph Hospital, Providence St. Jude Medical Center and Saint John's Health Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Trevan D. Fischer see patients?
- Medicare's clinician data lists 2 practice locations, including Los Angeles, CA and Santa Monica, CA. Call before your visit to confirm the address.
- What is Trevan D. Fischer's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Trevan D. Fischer accept Medicare assignment?
- Yes. Medicare's clinician data says Trevan D. Fischer 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 Trevan D. Fischer?
- (310) 231-2121, as listed in official Medicare / NPI Registry data.
- What is Trevan D. Fischer's NPI number?
- 1154580017. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Trevan D. Fischer works
Medicare's Facility Affiliation Data lists Trevan D. Fischer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cedars-Sinai Medical CenterLos Angeles, CA · Acute Care Hospital · CCN 050625
- Providence St. Joseph HospitalOrange, CA · Acute Care Hospital · CCN 050069
- Providence St. Jude Medical CenterFullerton, CA · Acute Care Hospital · CCN 050168
- Saint John's Health CenterSanta Monica, CA · Acute Care Hospital · CCN 050290
Practice locations
Addresses where Trevan D. Fischer is enrolled with Medicare (CMS data updated 2026-10-02).
- 11800 Wilshire BlvdLos Angeles, CA 90025 (310) 231‑2121
- 2121 Wilshire Blvd, Suite 201Santa Monica, CA 90403 (310) 264‑7300
Group practices
Medicare enrollment lists Trevan D. Fischer as a member of this group (CMS data updated 2026-10-02).
- Cedars-Sinai Medical Care Foundation1,692 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Oklahoma College Of Medicine |
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1154580017 |
| 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