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

Radiation Oncology

James C. Nelson, MD

Works at hospitals in Redlands, CA · California

Summary

James C. Nelson, MD (Radiation Oncology) is listed by Medicare at 1 hospital in Redlands, CA. NPI 1699962936. 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 James C. Nelson, 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
20Years since medical school (graduated 2006)
Loma Linda University School Of MedicineMedical school
MaleGender (as listed)

Quick answers

Which hospitals does James C. Nelson work at?
Medicare's official clinician data lists James C. Nelson at 1 hospital: Redlands Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does James C. Nelson see patients?
Medicare's clinician data lists 1 practice location in Redlands, CA. Call before your visit to confirm the address.
What is James C. Nelson's specialty?
Medicare lists Radiation Oncology as the primary specialty.
Does James C. Nelson accept Medicare assignment?
Yes. Medicare's clinician data says James C. Nelson 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 James C. Nelson?
(909) 335-5611, as listed in official Medicare / NPI Registry data.
What is James C. Nelson's NPI number?
1699962936. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where James C. Nelson works

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

Specialties

Find other Radiation Oncology doctors in California →

Other radiation oncologists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All radiation oncologists in California →

Clinician information

CredentialMD
Medical schoolLoma Linda University School Of Medicine
Graduation year2006
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1699962936
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