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Hematology/Oncology

Sara-Jane Onyeama, MD

Sees patients in Los Angeles, CA · California

Summary

Sara-Jane Onyeama, MD (Hematology/Oncology) is enrolled with Medicare at 1 practice location in Los Angeles, CA. NPI 1437684248. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Sara-Jane Onyeama, 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
9Years since medical school (graduated 2017)
Medical College Of WisconsinMedical school
FemaleGender (as listed)
Childrens Hospital Los Angeles Medical Group IncGroup practice

Quick answers

Where does Sara-Jane Onyeama see patients?
Medicare's clinician data lists 1 practice location in Los Angeles, CA. Call before your visit to confirm the address.
What is Sara-Jane Onyeama's specialty?
Medicare lists Hematology/Oncology as the primary specialty.
Does Sara-Jane Onyeama accept Medicare assignment?
Yes. Medicare's clinician data says Sara-Jane Onyeama 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 Sara-Jane Onyeama?
(323) 361-8408, as listed in official Medicare / NPI Registry data.
What is Sara-Jane Onyeama's NPI number?
1437684248. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Sara-Jane Onyeama is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Sara-Jane Onyeama as a member of this group (CMS data updated 2026-10-02).

  • Childrens Hospital Los Angeles Medical Group Inc295 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 schoolMedical College Of Wisconsin
Graduation year2017
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1437684248
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians