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Physician Assistant

Bridget O'Brien, PA

Works at hospitals in Los Angeles, CA · California

Summary

Bridget O'Brien, PA (Physician Assistant) is listed by Medicare at 1 hospital in Los Angeles, CA. NPI 1144453457. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Bridget O'Brien, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Physician AssistantPrimary specialty
YesAccepts Medicare assignment
17Years since medical school (graduated 2009)
FemaleGender (as listed)
Cedars-Sinai Medical CenterGroup practice (+1 more)

Quick answers

Which hospitals does Bridget O'Brien work at?
Medicare's official clinician data lists Bridget O'Brien at 1 hospital: Cedars-Sinai Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Bridget O'Brien see patients?
Medicare's clinician data lists 2 practice locations, including Sherman Oaks, CA and West Hollywood, CA. Call before your visit to confirm the address.
What is Bridget O'Brien's specialty?
Medicare lists Physician Assistant as the primary specialty.
Does Bridget O'Brien accept Medicare assignment?
Yes. Medicare's clinician data says Bridget O'Brien 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 Bridget O'Brien?
(818) 789-6296, as listed in official Medicare / NPI Registry data.
What is Bridget O'Brien's NPI number?
1144453457. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Bridget O'Brien works

Medicare's Facility Affiliation Data lists Bridget O'Brien at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Bridget O'Brien is enrolled with Medicare (CMS data updated 2026-10-02).

  • 4955 Van Nuys Blvd, Suite 516Sherman Oaks, CA 91403 (818) 789‑6296
  • 8700 Beverly BlvdWest Hollywood, CA 90048

Group practices

Medicare enrollment lists Bridget O'Brien as a member of these groups (CMS data updated 2026-10-02).

  • Cedars-Sinai Medical Center799 clinicians in the group
  • Laca Dermatology Inc3 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, California →

Other physician assistants in Sherman Oaks

Clinicians with the same Medicare primary specialty in Sherman Oaks, CA — not a recommendation.

All physician assistants in Sherman Oaks →

Clinician information

CredentialPA
Graduation year2009
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1144453457
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians