Velarion Records
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1 associated location — data as of November 11, 2026

Critical access hospital · MOSSYROCK, WA

MOSSYROCK CLINIC

Filed under LEWIS COUNTY HOSPITAL DISTRICT #1 DBA ARBOR HEALTH, which files the Medicare cost report for this system.

Taking partYesLast certifiedAugust 17, 2026

  • 0Registered locations
  • 1Associated locations
  • 0Contract pharmacies
  • 0With no end date
  • January 1, 2017In 340B since

MOSSYROCK CLINIC among Washington Critical access hospital registrations

Washington has 148 active Critical access hospital registrations in the HRSA 340B register. CAH501319-02 began participating on January 1, 2017; 70 of the Washington registrations of its type began earlier. Mossyrock has 1 active registrations of every type.

Across LEWIS COUNTY HOSPITAL DISTRICT #1 DBA ARBOR HEALTH, 25 contract pharmacies are on file. This location is filed at 745 WILLIAMS ST, MOSSYROCK WA 98564.

Finances, as filed

This record is a location registered under LEWIS COUNTY HOSPITAL DISTRICT #1 DBA ARBOR HEALTH, which files the Medicare cost report. The finances are on that record.

Community benefit, as filed

This record is a location registered under LEWIS COUNTY HOSPITAL DISTRICT #1 DBA ARBOR HEALTH. Community benefit is on that record.

Executive and director compensation, as filed

This record is a location registered under LEWIS COUNTY HOSPITAL DISTRICT #1 DBA ARBOR HEALTH. Executive and director compensation is on that record.

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Changes recorded

Nothing on this record has moved since it was first read here on September 6, 2026.

Register detail and identifiers

Participation, as filed

Participating
TRUE
Participation start date
January 1, 2017
Certification date
August 17, 2026
Record last edited
August 17, 2026

Identifiers

340B ID
CAH501319-02
Entity type as filed
CAH
CMS certification number
501319
Rural
Yes

745 WILLIAMS ST, MOSSYROCK WA 98564

Associated locations

MOSSYROCK CLINIC745 WILLIAMS STMOSSYROCK WA 98564

Every figure on this page is printed as it appears in the HRSA 340B OPAIS Covered Entity Daily Report, file 340B_CoveredEntity_Daily_20261111_071012.xlsx, stamped by its publisher November 11, 2026. This record has been read here since September 6, 2026.

How this page was built: the HRSA 340B OPAIS Covered Entity Daily Report, file 340B_CoveredEntity_Daily_20261111_071012.xlsx, read November 11, 2026.

What this page shows

Lewis County Hospital District #1 dba Arbor Health, Mossyrock Clinic is a critical access hospital entity in Mossyrock, WA. It participates in 340B, with a start year of 2017 and a certified year of 2026.