NORTHWEST KIDNEY CENTERS
NPI 1700025038
Dietitian, Registered - Nutrition, Renal in Seatac, WA
About Northwest Kidney Centers NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NORTHWEST KIDNEY CENTERS (NPI 1700025038), doing business as Northwest Kidney Centers Dba Broadway Kidney Center, is a healthcare organization registered as a nutrition, renal in Seatac, Washington and active in the NPI registry since February 2009. The organization holds a CLIA Waiver certificate valid through September 17, 2028, maintains 18 additional practice locations, and lists Heather J Thomasson, Chief Nursing Officer, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 18
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)
Northwest Kidney Centers is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
4Medicare enrollment records show 4 clinicians reassign Medicare billing to Northwest Kidney Centers, which bills Medicare for the services they deliver. Of these, 4 practice at this address. They are listed nearest first.
Clinicians, nearest first (4)
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 of Waiver 38D2351026
Northwest Kidney Centers Oregon LLC · Portland, ORFrequently 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 Northwest Kidney Centers's NPI number?
The NPI number for Northwest Kidney Centers is 1700025038. It was assigned to this organization in the NPPES registry on February 10, 2009. The provider is doing business as Northwest Kidney Centers dba Broadway Kidney Center.
Where is Northwest Kidney Centers located?
Northwest Kidney Centers is located at 12901 20th Ave S, Seatac, WA 98168. The listed phone number is (206) 923-3562.
What is Northwest Kidney Centers's specialty?
The primary specialty registered for this NPI is Dietitian, Registered, specializing in Nutrition, Renal, with taxonomy code 133VN1005X.
Is Northwest Kidney Centers enrolled in Medicare?
Yes. Northwest Kidney Centers is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Northwest Kidney Centers?
According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians, all in Registered Dietitian or Nutrition Professional, reassign their Medicare billing to Northwest Kidney Centers. 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, 4 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Northwest Kidney Centers hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 38D2351026) is associated with this NPI, valid through September 17, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Northwest Kidney Centers accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Northwest Kidney Centers 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 Northwest Kidney Centers was last updated on October 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Northwest Kidney Centers · NPI 1700025038
Nutrition, Renal organization in Seatac, Washington. Organization record, active in the CMS NPPES registry since February 10, 2009.
## Identity
- **NPI:** 1700025038 (Entity type: Organization)
- **Enumerated:** February 10, 2009
- **Primary specialty:** Dietitian, Registered - Nutrition, Renal · taxonomy 133VN1005X
- **Also known as:** Northwest Kidney Centers dba Broadway Kidney Center (Doing Business As)
- **Organization subpart:** Yes (part of Northwest Kidney Centers)
- **Authorized official:** Heather Thomasson, CHIEF NURSING OFFICER
## Practice location
- **Address:** 12901 20TH AVE S, Seatac, WA 98168-5159
- **Phone:** (206) 923-3562
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 4 clinicians (Registered Dietitian or Nutrition Professional) reassign Medicare billing to this organization (form CMS-855R); 4 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 27, 2026
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1700025038) · Data from the CMS NPPES public registry.