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

Internal Medicine

Kelly P. Barrett, MD

Works at hospitals in Medford, OR · Yreka, CA · Oregon, California

Summary

Dr. Kelly P. Barrett, MD is an internal medicine doctor at 475 Bruce St, Yreka, CA 96097. Phone: (530) 842-4121. Accepts Medicare assignment. NPI 1578201505. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

From official Medicare data

This page shows what Medicare's official clinician data says about Kelly P. Barrett, 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 Kelly P. Barrett accept Medicare assignment?
Yes. Medicare's clinician data says Kelly P. Barrett 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 Kelly P. Barrett's NPI number?
1578201505. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Kelly P. Barrett works

Medicare's Facility Affiliation Data lists Kelly P. Barrett at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Kelly P. Barrett is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kelly P. Barrett as a member of this group (CMS data updated October 2, 2026).

  • Siskiyou Hospital Inc94 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Yreka

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

All internal medicine doctors in Yreka →

Other clinicians in Siskiyou Hospital Inc

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

Clinician information

CredentialMD
Graduation year2021 (5 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1578201505
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians