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Internal Medicine

Gretchen E. Blair, MD

Works at hospitals in The Dalles, OR · Oregon

Summary

Gretchen E. Blair, MD (Internal Medicine) is listed by Medicare at 1 hospital in The Dalles, OR. NPI 1750364451. 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 Gretchen E. Blair, 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
YesAccepts Medicare assignment
36Years since medical school (graduated 1990)
University Of Washington School Of MedicineMedical school
FemaleGender (as listed)
Mid-Columbia Medical CenterGroup practice

Quick answers

Which hospitals does Gretchen E. Blair work at?
Medicare's official clinician data lists Gretchen E. Blair at 1 hospital: Mid-Columbia Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Gretchen E. Blair see patients?
Medicare's clinician data lists 2 practice locations, including The Dalles, OR. Call before your visit to confirm the address.
What is Gretchen E. Blair's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Gretchen E. Blair accept Medicare assignment?
Yes. Medicare's clinician data says Gretchen E. Blair 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 Gretchen E. Blair?
(541) 296-1111, as listed in official Medicare / NPI Registry data.
What is Gretchen E. Blair's NPI number?
1750364451. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Gretchen E. Blair works

Medicare's Facility Affiliation Data lists Gretchen E. Blair 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 Gretchen E. Blair is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Gretchen E. Blair as a member of this group (CMS data updated 2026-10-02).

  • Mid-Columbia Medical Center94 clinicians in the group

Specialties

Find other Internal Medicine doctors in Oregon →

Other internal medicine doctors in The Dalles

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

All internal medicine doctors in The Dalles →

Clinician information

CredentialMD
Medical schoolUniversity Of Washington School Of Medicine
Graduation year1990
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1750364451
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