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Anesthesiology

Anna Greschner, MD

Works at hospitals in Corvallis, OR · Oregon

Summary

Anna Greschner, MD (Anesthesiology) is listed by Medicare at 1 hospital in Corvallis, OR. NPI 1407066392. 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 Anna Greschner, 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

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
27Years since medical school (graduated 1999)
FemaleGender (as listed)
Good Samaritan Hospital CorvallisGroup practice

Quick answers

Which hospitals does Anna Greschner work at?
Medicare's official clinician data lists Anna Greschner at 1 hospital: Good Samaritan Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Anna Greschner see patients?
Medicare's clinician data lists 2 practice locations, including Corvallis, OR. Call before your visit to confirm the address.
What is Anna Greschner's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Anna Greschner accept Medicare assignment?
Yes. Medicare's clinician data says Anna Greschner 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 Anna Greschner?
(541) 768-1261, as listed in official Medicare / NPI Registry data.
What is Anna Greschner's NPI number?
1407066392. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Anna Greschner works

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

  • 3600 NW Samaritan DrCorvallis, OR 97330
  • 3600 NW Samaritan Dr, Suite 227Corvallis, OR 97330 (541) 768‑1261

Group practices

Medicare enrollment lists Anna Greschner as a member of this group (CMS data updated 2026-10-02).

  • Good Samaritan Hospital Corvallis380 clinicians in the group

Specialties

Find other Anesthesiology doctors in Oregon →

Other anesthesiologists in Corvallis

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

All anesthesiologists in Corvallis →

Clinician information

CredentialMD
Graduation year1999
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1407066392
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