SUNNYSIDE ENT, SUNNYSIDE BONE AND JOINT
NPI 1083866040
Otolaryngology in Sunnyside, WA
About Sunnyside Ent, Sunnyside Bone And Joint NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SUNNYSIDE ENT, SUNNYSIDE BONE AND JOINT (NPI 1083866040) is a healthcare organization registered as an otolaryngology in Sunnyside, Washington and active in the NPI registry since October 2008. The organization lists Mathew Mathiesen, Cfo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Other Identifiers 2
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Sunnyside Ent, Sunnyside Bone And Joint 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 Sunnyside Ent, Sunnyside Bone And Joint, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 40 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's NPI number?
The NPI number for Sunnyside Community Hospital is 1083866040. It was assigned to this organization in the NPPES registry on October 21, 2008. The provider is doing business as Sunnyside Ent, Sunnyside Bone And Joint.
Where is Sunnyside Community Hospital located?
Sunnyside Community Hospital is located at 2925 Allen Rd, Sunnyside, WA 98944. The listed phone number is (509) 837-1617.
What is Sunnyside Community Hospital's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Sunnyside Community Hospital enrolled in Medicare?
Yes. Sunnyside Community Hospital is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Sunnyside Community Hospital?
According to the CMS Revalidation Reassignment List (October 2026 release), 132 clinicians in 33 Medicare specialties reassign their Medicare billing to Sunnyside Community Hospital. 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, 1 practice at this address and 40 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Sunnyside Community Hospital 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.
# Sunnyside Ent, Sunnyside Bone And Joint · NPI 1083866040
Otolaryngology organization in Sunnyside, Washington. Organization record, active in the CMS NPPES registry since October 21, 2008.
## Identity
- **NPI:** 1083866040 (Entity type: Organization)
- **Enumerated:** October 21, 2008
- **Primary specialty:** Otolaryngology · taxonomy 207Y00000X
- **Legal business name:** Sunnyside Community Hospital
- **Organization subpart:** No
- **Authorized official:** Mathew Mathiesen, CFO
## Practice location
- **Address:** 2925 ALLEN RD, Sunnyside, WA 98944-8931
- **Phone:** (509) 837-1617 · **Fax:** (509) 837-1714
## 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); 1 practice at this address and 40 within 10 miles; [full list](https://npiprofile.com/npi/1083866040/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 10, 2024
- **Other identifiers:** Medicaid 7144421 (WA); Medicaid 8527194 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1083866040) · Data from the CMS NPPES public registry.