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Neurosurgery

Clifford C. Douglas, MD

Works at hospitals in Hemet, CA · Loma Linda, CA · Riverside, CA · California

Summary

Clifford C. Douglas, MD (Neurosurgery) is listed by Medicare at 3 hospitals in Hemet, CA, Loma Linda, CA and Riverside, CA. NPI 1932166485. 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 Clifford C. Douglas, 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

NeurosurgeryPrimary specialty
YesAccepts Medicare assignment
37Years since medical school (graduated 1989)
Loma Linda University School Of MedicineMedical school
MaleGender (as listed)
Golden State Providers, a Medical CorporationGroup practice

Quick answers

Which hospitals does Clifford C. Douglas work at?
Medicare's official clinician data lists Clifford C. Douglas at 3 hospitals: Hemet Global Medical Center, Loma Linda University Medical Center and Riverside Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Clifford C. Douglas see patients?
Medicare's clinician data lists 2 practice locations, including Riverside, CA. Call before your visit to confirm the address.
What is Clifford C. Douglas's specialty?
Medicare lists Neurosurgery as the primary specialty.
Does Clifford C. Douglas accept Medicare assignment?
Yes. Medicare's clinician data says Clifford C. Douglas 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 Clifford C. Douglas?
(951) 788-3000, as listed in official Medicare / NPI Registry data.
What is Clifford C. Douglas's NPI number?
1932166485. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Clifford C. Douglas works

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

Group practices

Medicare enrollment lists Clifford C. Douglas as a member of this group (CMS data updated 2026-10-02).

  • Golden State Providers, a Medical Corporation23 clinicians in the group

Specialties

Find other Neurosurgery doctors in California →

Other neurosurgeons in Riverside

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

All neurosurgeons in Riverside →

Clinician information

CredentialMD
Medical schoolLoma Linda University School Of Medicine
Graduation year1989
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1932166485
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