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

Family Practice

Geoffrey L. Thomas, DO

Works at hospitals in Hermiston, OR · Richland, WA · Oregon, Washington

Summary

Geoffrey L. Thomas, DO (Family Practice) is listed by Medicare at 2 hospitals in Hermiston, OR and Richland, WA. NPI 1194901785. 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 Geoffrey L. Thomas, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
21Years since medical school (graduated 2005)
MaleGender (as listed)
Columbia River HealthGroup practice

Quick answers

Which hospitals does Geoffrey L. Thomas work at?
Medicare's official clinician data lists Geoffrey L. Thomas at 2 hospitals: Good Shepherd Medical Center and Kadlec Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Geoffrey L. Thomas see patients?
Medicare's clinician data lists 1 practice location in Boardman, OR. Call before your visit to confirm the address.
What is Geoffrey L. Thomas's specialty?
Medicare lists Family Practice as the primary specialty.
Does Geoffrey L. Thomas accept Medicare assignment?
Yes. Medicare's clinician data says Geoffrey L. Thomas 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 Geoffrey L. Thomas?
(541) 481-7212, as listed in official Medicare / NPI Registry data.
What is Geoffrey L. Thomas's NPI number?
1194901785. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Geoffrey L. Thomas works

Medicare's Facility Affiliation Data lists Geoffrey L. Thomas 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 Geoffrey L. Thomas is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Geoffrey L. Thomas as a member of this group (CMS data updated 2026-10-02).

  • Columbia River Health6 clinicians in the group

Specialties

Find other Family Practice doctors in Oregon →

Other family doctors in Oregon

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

All family doctors in Oregon →

Clinician information

CredentialDO
Graduation year2005
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1194901785
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