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Radiation Oncology

Steven W. Davis, MD

Works at hospitals in Orange, CA · California

Summary

Steven W. Davis, MD (Radiation Oncology) is listed by Medicare at 1 hospital in Orange, CA. NPI 1558463653. 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 Steven W. Davis, 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
25Years since medical school (graduated 2001)
Uniformed Services Uhs Fe Hebert School Of MedMedical school
MaleGender (as listed)
UC Regents Department of Radiation OncologyGroup practice (+1 more)

Quick answers

Which hospitals does Steven W. Davis work at?
Medicare's official clinician data lists Steven W. Davis at 1 hospital: UCI Health-Orange. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Steven W. Davis see patients?
Medicare's clinician data lists 2 practice locations, including Orange, CA and San Diego, CA. Call before your visit to confirm the address.
What is Steven W. Davis's specialty?
Medicare lists Radiation Oncology as the primary specialty.
Does Steven W. Davis accept Medicare assignment?
Yes. Medicare's clinician data says Steven W. Davis 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 Steven W. Davis offer telehealth?
Medicare's clinician data says Steven W. Davis offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Steven W. Davis?
(714) 456-5508, as listed in official Medicare / NPI Registry data.
What is Steven W. Davis's NPI number?
1558463653. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Steven W. Davis works

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

Group practices

Medicare enrollment lists Steven W. Davis as a member of these groups (CMS data updated 2026-10-02).

  • UC Regents Department of Radiation Oncology16 clinicians in the group
  • Proton Doctors Professional Corporation12 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 schoolUniformed Services Uhs Fe Hebert School Of Med
Graduation year2001
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1558463653
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