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Medical Oncology

Glenn S. Buchanan, MD

Sees patients in Florence, OR · Oregon

Summary

Glenn S. Buchanan, MD (Medical Oncology) is enrolled with Medicare at 1 practice location in Florence, OR. NPI 1972589141. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Glenn S. Buchanan, 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

Medical OncologyPrimary specialty
YesAccepts Medicare assignment
28Years since medical school (graduated 1998)
University Of Utah School Of MedicineMedical school
MaleGender (as listed)
Oncology Associates of Oregon P CGroup practice

Quick answers

Where does Glenn S. Buchanan see patients?
Medicare's clinician data lists 1 practice location in Florence, OR. Call before your visit to confirm the address.
What is Glenn S. Buchanan's specialty?
Medicare lists Medical Oncology as the primary specialty.
Does Glenn S. Buchanan accept Medicare assignment?
Yes. Medicare's clinician data says Glenn S. Buchanan 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 Glenn S. Buchanan?
(541) 683-5001, as listed in official Medicare / NPI Registry data.
What is Glenn S. Buchanan's NPI number?
1972589141. 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 Glenn S. Buchanan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Glenn S. Buchanan as a member of this group (CMS data updated 2026-10-02).

  • Oncology Associates of Oregon P C48 clinicians in the group

Specialties

Find other Medical Oncology doctors in Oregon →

Other oncologists in Oregon

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

All oncologists in Oregon →

Clinician information

CredentialMD
Medical schoolUniversity Of Utah School Of Medicine
Graduation year1998
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1972589141
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 2026-10-02, retrieved 2026-10-29
  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