PACIFIC NORTHWEST KIDNEY AND HYPERTENSION INSTITUTE PLLC
NPI 1023950524
Internal Medicine - Nephrology in Spokane, WA
About Pacific Northwest Kidney And Hypertension Institute Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PACIFIC NORTHWEST KIDNEY AND HYPERTENSION INSTITUTE PLLC (NPI 1023950524) is a healthcare organization registered as a nephrology in Spokane, Washington and active in the NPI registry since April 2026. The organization holds a CLIA Microscopy certificate valid through April 4, 2028 and lists Matthew S Ray, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
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)
Pacific Northwest Kidney And Hypertension Institute Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Pacific Northwest Kidney And Hypertension Institute PLLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.
Clinicians, nearest first (2)
Source: 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 for Provider-Performed Microscopy Procedures (PPMP) 50D2350571
Pacific Northwest Kidney And Hypertension Institute · Spokane, WAFrequently 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 Pacific Northwest Kidney And Hypertension Institute PLLC's NPI number?
The NPI number for Pacific Northwest Kidney And Hypertension Institute PLLC is 1023950524. It was assigned to this organization in the NPPES registry on April 6, 2026.
Where is Pacific Northwest Kidney And Hypertension Institute PLLC located?
Pacific Northwest Kidney And Hypertension Institute PLLC is located at 507 S Washington St Ste 101, Spokane, WA 99204. The listed phone number is (509) 271-7365.
What is Pacific Northwest Kidney And Hypertension Institute PLLC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Pacific Northwest Kidney And Hypertension Institute PLLC enrolled in Medicare?
Yes. Pacific Northwest Kidney And Hypertension Institute PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Pacific Northwest Kidney And Hypertension Institute PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Pacific Northwest Kidney And Hypertension Institute PLLC, in Internal Medicine and Nephrology. 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. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Pacific Northwest Kidney And Hypertension Institute PLLC hold a CLIA laboratory certificate?
Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 50D2350571) is associated with this NPI, valid through April 4, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Pacific Northwest Kidney And Hypertension Institute PLLC accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Pacific Northwest Kidney And Hypertension Institute PLLC 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 Pacific Northwest Kidney And Hypertension Institute PLLC was last updated on October 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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.
# Pacific Northwest Kidney And Hypertension Institute Pllc · NPI 1023950524
Nephrology organization in Spokane, Washington. Organization record, active in the CMS NPPES registry since April 6, 2026.
## Identity
- **NPI:** 1023950524 (Entity type: Organization)
- **Enumerated:** April 6, 2026
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **Organization subpart:** No
- **Authorized official:** Matthew Ray, PRESIDENT
## Practice location
- **Address:** 507 S WASHINGTON ST STE 101, Spokane, WA 99204-2604
- **Phone:** (509) 271-7365 · **Fax:** (509) 271-0202
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (1), Nephrology (1); 2 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 12, 2026
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1023950524) · Data from the CMS NPPES public registry.