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Anesthesiology

Edward O. O'Brien, MD

Works at hospitals in Urbana, IL · San Diego, CA · Illinois, California

Summary

Edward O. O'Brien, MD (Anesthesiology) is listed by Medicare at 2 hospitals in Urbana, IL and San Diego, CA. NPI 1891716254. 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 Edward O. 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

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
29Years since medical school (graduated 1997)
Harvard Medical SchoolMedical school
MaleGender (as listed)
Regents of the University of CaliforniaGroup practice (+1 more)

Quick answers

Which hospitals does Edward O. O'Brien work at?
Medicare's official clinician data lists Edward O. O'Brien at 2 hospitals: Carle Foundation Hospital and UC San Diego Health Hillcrest - Hillcrest Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Edward O. O'Brien see patients?
Medicare's clinician data lists 2 practice locations, including San Diego, CA and Urbana, IL. Call before your visit to confirm the address.
What is Edward O. O'Brien's specialty?
Medicare lists Anesthesiology as the primary specialty, and also Interventional Pain Management.
Does Edward O. O'Brien accept Medicare assignment?
Yes. Medicare's clinician data says Edward O. 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 Edward O. O'Brien?
(858) 249-6753, as listed in official Medicare / NPI Registry data.
What is Edward O. O'Brien's NPI number?
1891716254. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Edward O. O'Brien works

Medicare's Facility Affiliation Data lists Edward O. 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 Edward O. O'Brien is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Regents of the University of California2,089 clinicians in the group
  • Carle Health Care Incorporated1,666 clinicians in the group

Specialties

Find other Anesthesiology doctors in California →

Other anesthesiologists in San Diego

Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.

All anesthesiologists in San Diego →

Clinician information

CredentialMD
Medical schoolHarvard Medical School
Graduation year1997
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1891716254
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