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Internal Medicine

Michael Lethin, DO

Sees patients in Corvallis, OR · Oregon

Summary

Michael Lethin, DO (Internal Medicine) is enrolled with Medicare at 1 practice location in Corvallis, OR. NPI 1144849084. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Michael Lethin, 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

Internal MedicinePrimary specialty
May acceptAccepts Medicare assignment
4Years since medical school (graduated 2022)
MaleGender (as listed)

Quick answers

Where does Michael Lethin see patients?
Medicare's clinician data lists 1 practice location in Corvallis, OR. Call before your visit to confirm the address.
What is Michael Lethin's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Michael Lethin accept Medicare assignment?
Medicare's clinician data says Michael Lethin may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Michael Lethin's NPI number?
1144849084. 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 Michael Lethin is enrolled with Medicare (CMS data updated 2026-10-02).

  • 815 NW 9th St, Suite 215Corvallis, OR 97330

Specialties

Find other Internal Medicine doctors in Oregon →

Other internal medicine doctors in Corvallis

Clinicians with the same Medicare primary specialty in Corvallis, OR — not a recommendation.

All internal medicine doctors in Corvallis →

Clinician information

CredentialDO
Graduation year2022
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1144849084
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