Sunnyside Community Hospital Association
NPI 1225033814 · Critical Access Hospital · Sunnyside, WA
Enrolled with Medicare as Part a Provider - Critical Access Hospital · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sunnyside Community Hospital Association is a Critical Access Hospital organization in Sunnyside, WA (NPI 1225033814).
Provider details
- NPI number
- 1225033814
- Entity type
- Organization
- Primary specialty
- Critical Access HospitalHospitals
- Organization subpart
- No
- Authorized official
- Mathew Mathiesen, Cfo(509) 837-1655
Specialties & taxonomies
Hospitals
- Multi-Specialty Clinic/Center261QM1300X
Ambulatory Health Care Facilities
- Medicare Defined Swing Bed Hospital Unit275N00000X
Hospital Units
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Astria Sunnyside Hospital
Registry dates
- Enumerated
- 2005-06-20
- Last updated
- 2024-10-10
- Certified
- 2024-10-10
Frequently asked questions
- What is Sunnyside Community Hospital Association's NPI number?
- Sunnyside Community Hospital Association's National Provider Identifier (NPI) is 1225033814, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sunnyside Community Hospital Association?
- Sunnyside Community Hospital Association is classified in the NPPES registry as Critical Access Hospital (Hospitals).
- Where is Sunnyside Community Hospital Association located?
- Sunnyside Community Hospital Association's practice location on file with NPPES is 1016 Tacoma Ave, Sunnyside, WA 98944.
- What is Sunnyside Community Hospital Association's phone number?
- The practice phone number listed in the NPPES registry for Sunnyside Community Hospital Association is (509) 837-1500.
- Does Sunnyside Community Hospital Association accept Medicare?
- Sunnyside Community Hospital Association is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Sunnyside Community Hospital Association?
- The authorized official listed on Sunnyside Community Hospital Association's NPPES record is Mathew Mathiesen, Cfo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sunnyside Community Hospital Association's NPI active?
- Yes — Sunnyside Community Hospital Association's NPI (1225033814) is active in the NPPES registry as of the last update on 2024-10-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.