ASTRIA URGENT CARE CENTER
NPI 1912305905
Clinic/Center - Rural Health in Prosser, WA
About Astria Urgent Care Center NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ASTRIA URGENT CARE CENTER (NPI 1912305905) is a healthcare organization registered as a rural health in Prosser, Washington and active in the NPI registry since December 2014. The organization lists Mathew Mathiesen, Cfo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 12
Other Names 1
Group Practice 1
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 Urgent Care Center 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 Urgent Care Center, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 10 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.
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 1912305905. It was assigned to this organization in the NPPES registry on December 8, 2014. The provider is also known as Astria Urgent Care Center.
Where is Sunnyside Community Hospital Association located?
Sunnyside Community Hospital Association is located at 355 Chardonnay Ave, Prosser, WA 99350. The listed phone number is (509) 781-6366.
What is Sunnyside Community Hospital Association's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Rural Health, with taxonomy code 261QR1300X.
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, 2 practice at this address and 10 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Sunnyside Community Hospital Association accept?
Health plans from Ambetter Health and Premera Blue Cross Blue Shield of Alaska 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 Urgent Care Center · NPI 1912305905
Rural Health organization in Prosser, Washington. Organization record, active in the CMS NPPES registry since December 8, 2014.
## Identity
- **NPI:** 1912305905 (Entity type: Organization)
- **Enumerated:** December 8, 2014
- **Primary specialty:** Clinic/Center - Rural Health · taxonomy 261QR1300X
- **Legal business name:** Sunnyside Community Hospital Association
- **Organization subpart:** No
- **Authorized official:** Mathew Mathiesen, CFO
## Practice location
- **Address:** 355 CHARDONNAY AVE, Prosser, WA 99350-9521
- **Phone:** (509) 781-6366 · **Fax:** (509) 781-6367
## 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); 2 practice at this address and 10 within 10 miles; [full list](https://npiprofile.com/npi/1912305905/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 10, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1912305905) · Data from the CMS NPPES public registry.