Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Radiation Oncology

Caressa Y. Hui, MD

Works at hospitals in Orange, CA · California

Summary

Caressa Y. Hui, MD (Radiation Oncology) is listed by Medicare at 1 hospital in Orange, CA. NPI 1891254165. 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 Caressa Y. Hui, 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
YesOffers telehealth
7Years since medical school (graduated 2019)
Saint Louis University School Of MedicineMedical school
FemaleGender (as listed)
UC Regents Department of Radiation OncologyGroup practice

Quick answers

Which hospitals does Caressa Y. Hui work at?
Medicare's official clinician data lists Caressa Y. Hui at 1 hospital: UCI Health-Orange. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Caressa Y. Hui see patients?
Medicare's clinician data lists 1 practice location in Orange, CA. Call before your visit to confirm the address.
What is Caressa Y. Hui's specialty?
Medicare lists Radiation Oncology as the primary specialty.
Does Caressa Y. Hui accept Medicare assignment?
Yes. Medicare's clinician data says Caressa Y. Hui 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 Caressa Y. Hui offer telehealth?
Medicare's clinician data says Caressa Y. Hui offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Caressa Y. Hui?
(714) 456-5508, as listed in official Medicare / NPI Registry data.
What is Caressa Y. Hui's NPI number?
1891254165. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Caressa Y. Hui works

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

Group practices

Medicare enrollment lists Caressa Y. Hui as a member of this group (CMS data updated 2026-10-02).

  • UC Regents Department of Radiation Oncology16 clinicians in the group

Specialties

Find other Radiation Oncology doctors in California →

Other radiation oncologists in Orange

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

All radiation oncologists in Orange →

Clinician information

CredentialMD
Medical schoolSaint Louis University School Of Medicine
Graduation year2019
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1891254165
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