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General Surgery

Rachel C. Allen, MD

Sees patients in Riverside, CA · Moreno Valley, CA · California

Summary

Dr. Rachel C. Allen, MD is a general surgeon at 10800 Magnolia Ave, Riverside, CA 92505. Phone: (951) 353-2000. Accepts Medicare assignment. NPI 1043607633. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: General surgeon (Medicare lists General Surgery)
  • Address: 10800 Magnolia Ave, Riverside, CA 92505 · Directions (2 more locations)
  • Phone: (951) 353‑2000
  • Medicare: Accepts Medicare assignment
  • Group practice: Southern California Permanente Medical Group
  • Medical school: Eastern Virginia Medical School · graduated 2015 (11 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Rachel C. Allen, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Rachel C. Allen accept Medicare assignment?
Yes. Medicare's clinician data says Rachel C. Allen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Rachel C. Allen's NPI number?
1043607633. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Rachel C. Allen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Rachel C. Allen as a member of this group (CMS data updated October 2, 2026).

  • Southern California Permanente Medical Group11,293 clinicians in the group

Specialties

Find other General Surgery doctors in California →

Other general surgeons in Riverside

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

All general surgeons in Riverside →

Other clinicians in Southern California Permanente Medical Group

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolEastern Virginia Medical School
Graduation year2015 (11 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1043607633
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians