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Hematology/Oncology

Casey L. O'Connell, MD

Works at hospitals in Rancho Mirage, CA · Los Angeles, CA · Glendale, CA · California

Summary

Casey L. O'Connell, MD (Hematology/Oncology) is listed by Medicare at 4 hospitals in Rancho Mirage, CA, Los Angeles, CA and Glendale, CA. NPI 1104039197. 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 Casey L. O'Connell, 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

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
25Years since medical school (graduated 2001)
George Washington University School Of MedicineMedical school
FemaleGender (as listed)
USC Care Medical Group IncGroup practice

Quick answers

Which hospitals does Casey L. O'Connell work at?
Medicare's official clinician data lists Casey L. O'Connell at 4 hospitals: Eisenhower Medical Center, Keck Hospital of USC, Los Angeles General Medical Center and USC Verdugo Hills Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Casey L. O'Connell see patients?
Medicare's clinician data lists 8 practice locations, including Los Angeles, CA and Beverly Hills, CA. Call before your visit to confirm the address.
What is Casey L. O'Connell's specialty?
Medicare lists Hematology/Oncology as the primary specialty, and also Hematology and Medical Oncology.
Does Casey L. O'Connell accept Medicare assignment?
Yes. Medicare's clinician data says Casey L. O'Connell 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.
Does Casey L. O'Connell offer telehealth?
Medicare's clinician data says Casey L. O'Connell offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Casey L. O'Connell?
(323) 442-2582, as listed in official Medicare / NPI Registry data.
What is Casey L. O'Connell's NPI number?
1104039197. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Casey L. O'Connell works

Medicare's Facility Affiliation Data lists Casey L. O'Connell 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 Casey L. O'Connell is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.

Group practices

Medicare enrollment lists Casey L. O'Connell as a member of this group (CMS data updated 2026-10-02).

  • USC Care Medical Group Inc1,380 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in California →

Other hematologist-oncologists in Los Angeles

Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.

All hematologist-oncologists in Los Angeles →

Clinician information

CredentialMD
Medical schoolGeorge Washington University School Of Medicine
Graduation year2001
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1104039197
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