ASTRIA SUNNYSIDE HOSPITAL
NPI 1225033814
General Acute Care Hospital - Critical Access in Sunnyside, WA
About Astria Sunnyside Hospital NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ASTRIA SUNNYSIDE HOSPITAL (NPI 1225033814) is a healthcare organization registered as a critical access in Sunnyside, Washington and active in the NPI registry since June 2005. The organization holds a CLIA Certificate of Compliance certificate valid through April 4, 2028 and lists Mathew Mathiesen, Cfo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 3
Other Names 1
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Astria Sunnyside Hospital is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
132Medicare enrollment records show 132 clinicians reassign Medicare billing to Astria Sunnyside Hospital, which bills Medicare for the services they deliver. Of these, 13 practice at this address and 41 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 33
Nearest to this location (20)
See all 132Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Compliance 50D0638654
Astria Sunnyside Hospital · Sunnyside, WAHospital Quality Ratings CMS Care Compare
Quality and patient-experience ratings for Astria Sunnyside Hospital (CMS certification number 501330), from CMS Care Compare.
Astria Sunnyside Hospital
Critical Access Hospitals · Sunnyside, WAPatient Experience
HCAHPS patient survey · Jan 2023 – Dec 2023Complications & Deaths 6
Infections 2
Unplanned Hospital Visits 13
Timely & Effective Care 11
Maternal Health 1
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Sunnyside Community Hospital Association's NPI number?
The NPI number for Sunnyside Community Hospital Association is 1225033814. It was assigned to this organization in the NPPES registry on June 20, 2005. The provider is doing business as Astria Sunnyside Hospital.
Where is Sunnyside Community Hospital Association located?
Sunnyside Community Hospital Association is located at 1016 Tacoma Ave, Sunnyside, WA 98944. The listed phone number is (509) 837-1500.
What is Sunnyside Community Hospital Association's specialty?
The primary specialty registered for this NPI is General Acute Care Hospital, specializing in Critical Access, with taxonomy code 282NC0060X.
Is Sunnyside Community Hospital Association enrolled in Medicare?
Yes. Sunnyside Community Hospital Association is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Sunnyside Community Hospital Association?
According to the CMS Revalidation Reassignment List (October 2026 release), 132 clinicians in 33 Medicare specialties reassign their Medicare billing to Sunnyside Community Hospital Association. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (39), Family Practice (16) and General Surgery (7). Of these, 13 practice at this address and 41 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Sunnyside Community Hospital Association hold a CLIA laboratory certificate?
Yes. A Certificate of Compliance (number 50D0638654) is associated with this NPI, valid through April 4, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
Is Sunnyside Community Hospital Association a Medicare-certified hospital?
Yes. Astria Sunnyside Hospital is a Medicare-certified hospital (Critical Access Hospitals). The hospital provides emergency services.
What quality rating does Sunnyside Community Hospital Association have?
CMS rates Astria Sunnyside Hospital 1 out of 5 stars overall on Care Compare, based on measures of safety, patient experience and outcomes. The full measure detail is in the Hospital Quality Ratings section above.
What insurance does Sunnyside Community Hospital Association accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan and UnitedHealthcare list Sunnyside Community Hospital Association as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Sunnyside Community Hospital Association was last updated on October 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Astria Sunnyside Hospital · NPI 1225033814
Critical Access organization in Sunnyside, Washington. Organization record, active in the CMS NPPES registry since June 20, 2005.
## Identity
- **NPI:** 1225033814 (Entity type: Organization)
- **Enumerated:** June 20, 2005
- **Primary specialty:** General Acute Care Hospital - Critical Access · taxonomy 282NC0060X
- **Legal business name:** Sunnyside Community Hospital Association
- **Organization subpart:** No
- **Authorized official:** Mathew Mathiesen, CFO
## Practice location
- **Address:** 1016 TACOMA AVE, Sunnyside, WA 98944
- **Phone:** (509) 837-1500 · **Fax:** (509) 837-1533
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 132 clinicians in 33 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (39), Family Practice (16), General Surgery (7); 13 practice at this address and 41 within 10 miles; [full list](https://npiprofile.com/npi/1225033814/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 10, 2024
- **Other identifiers:** Other 10250 (WA); Other SU9354 (WA); Medicaid 3300076 (WA); and 1 more
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1225033814) · Data from the CMS NPPES public registry.