Quick answers
- Which hospitals does Barry Czeisler work at?
- Medicare's official clinician data lists Barry Czeisler at 2 hospitals: Providence Little Co of Mary Medical Center San Pedro and Providence Little Company of Mary Medical Center Torrance. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Barry Czeisler see patients?
- Medicare's clinician data lists 1 practice location in Porter Ranch, CA. Call before your visit to confirm the address.
- What is Barry Czeisler's specialty?
- Medicare lists Hospitalist as the primary specialty.
- Does Barry Czeisler accept Medicare assignment?
- Yes. Medicare's clinician data says Barry Czeisler 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 Barry Czeisler?
- (818) 403-2400, as listed in official Medicare / NPI Registry data.
- What is Barry Czeisler's NPI number?
- 1134379654. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Barry Czeisler works
Medicare's Facility Affiliation Data lists Barry Czeisler at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Providence Little Co of Mary Medical Center San PedroSan Pedro, CA · Acute Care Hospital · CCN 050078
- Providence Little Company of Mary Medical Center TorranceTorrance, CA · Acute Care Hospital · CCN 050353
Practice locations
Addresses where Barry Czeisler is enrolled with Medicare (CMS data updated 2026-10-02).
- 19950 Rinaldi StPorter Ranch, CA 91326 (818) 403‑2400
Group practices
Medicare enrollment lists Barry Czeisler as a member of this group (CMS data updated 2026-10-02).
- Providence Facey Medical Foundation385 clinicians in the group
Specialties
- Hospitalistprimary
Other hospitalists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University |
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134379654 |
| 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