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Radiation Oncology

Karen Cheng, MD

Works at hospitals in Upland, CA · California

Summary

Karen Cheng, MD (Radiation Oncology) is listed by Medicare at 1 hospital in Upland, CA. NPI 1316407422. 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 Karen Cheng, 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

Radiation OncologyPrimary specialty
YesAccepts Medicare assignment
7Years since medical school (graduated 2019)
FemaleGender (as listed)
City of Hope Medical FoundationGroup practice

Quick answers

Which hospitals does Karen Cheng work at?
Medicare's official clinician data lists Karen Cheng at 1 hospital: San Antonio Regional Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Karen Cheng see patients?
Medicare's clinician data lists 1 practice location in San Bernardino, CA. Call before your visit to confirm the address.
What is Karen Cheng's specialty?
Medicare lists Radiation Oncology as the primary specialty.
Does Karen Cheng accept Medicare assignment?
Yes. Medicare's clinician data says Karen Cheng 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 Karen Cheng?
(909) 475-2700, as listed in official Medicare / NPI Registry data.
What is Karen Cheng's NPI number?
1316407422. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Karen Cheng works

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

Group practices

Medicare enrollment lists Karen Cheng as a member of this group (CMS data updated 2026-10-02).

  • City of Hope Medical Foundation982 clinicians in the group

Specialties

Find other Radiation Oncology doctors in California →

Other radiation oncologists in San Bernardino

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

All radiation oncologists in San Bernardino →

Clinician information

CredentialMD
Graduation year2019
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1316407422
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