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

Emergency Medicine

Marycatherine Farwell, MD

Works at hospitals in Ellensburg, WA · Yakima, WA · Washington

Summary

Marycatherine Farwell, MD (Emergency Medicine) is listed by Medicare at 2 hospitals in Ellensburg, WA and Yakima, WA. NPI 1891372918. 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 Marycatherine Farwell, 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

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
5Years since medical school (graduated 2021)
New York Medical CollegeMedical school
FemaleGender (as listed)
Yakima Valley Memorial PhysiciansGroup practice

Quick answers

Which hospitals does Marycatherine Farwell work at?
Medicare's official clinician data lists Marycatherine Farwell at 2 hospitals: Kittitas Valley Community Hospital and Yakima Valley Memorial. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Marycatherine Farwell see patients?
Medicare's clinician data lists 1 practice location in Yakima, WA. Call before your visit to confirm the address.
What is Marycatherine Farwell's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Marycatherine Farwell accept Medicare assignment?
Yes. Medicare's clinician data says Marycatherine Farwell 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 Marycatherine Farwell?
(509) 575-8000, as listed in official Medicare / NPI Registry data.
What is Marycatherine Farwell's NPI number?
1891372918. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Marycatherine Farwell works

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

Group practices

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

  • Yakima Valley Memorial Physicians391 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Washington →

Other emergency medicine doctors in Yakima

Clinicians with the same Medicare primary specialty in Yakima, WA — not a recommendation.

All emergency medicine doctors in Yakima →

Clinician information

CredentialMD
Medical schoolNew York Medical College
Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1891372918
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