NORTHWEST ASTHMA & ALLERGY CENTER
NPI 1679504526
Allergy & Immunology in Seattle, WA
About Northwest Asthma & Allergy Center NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NORTHWEST ASTHMA & ALLERGY CENTER (NPI 1679504526) is a healthcare organization registered as an allergy & immunology in Seattle, Washington and active in the NPI registry since July 2006. The organization lists Kathleen Firth, Patient Accounts Manager, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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 Asthma & Allergy Center is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
19Medicare enrollment records show 19 clinicians reassign Medicare billing to Northwest Asthma & Allergy Center, which bills Medicare for the services they deliver. Of these, 10 practice at this address and 12 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 2
Clinicians, nearest first (19)
Source: 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 Northwest Asthma & Allergy Center's NPI number?
The NPI number for Northwest Asthma & Allergy Center is 1679504526. It was assigned to this organization in the NPPES registry on July 6, 2006.
Where is Northwest Asthma & Allergy Center located?
Northwest Asthma & Allergy Center is located at 9725 3rd Ave NE #500, Seattle, WA 98115. The listed phone number is (206) 527-1200.
What is Northwest Asthma & Allergy Center's specialty?
The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.
Is Northwest Asthma & Allergy Center enrolled in Medicare?
Yes. Northwest Asthma & Allergy Center is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Northwest Asthma & Allergy Center?
According to the CMS Revalidation Reassignment List (October 2026 release), 19 clinicians in 2 Medicare specialties reassign their Medicare billing to Northwest Asthma & Allergy Center. 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 Allergy/Immunology (17) and Nurse Practitioner (2). Of these, 10 practice at this address and 12 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Northwest Asthma & Allergy Center accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Northwest Asthma & Allergy Center 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 Asthma & Allergy Center was last updated on June 24, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Northwest Asthma & Allergy Center · NPI 1679504526
Allergy & Immunology organization in Seattle, Washington. Organization record, active in the CMS NPPES registry since July 6, 2006.
## Identity
- **NPI:** 1679504526 (Entity type: Organization)
- **Enumerated:** July 6, 2006
- **Primary specialty:** Allergy & Immunology · taxonomy 207K00000X
- **Organization subpart:** No
- **Authorized official:** Kathleen Firth, PATIENT ACCOUNTS MANAGER
## Practice location
- **Address:** 9725 3RD AVE NE, #500, Seattle, WA 98115-2060
- **Phone:** (206) 527-1200 · **Fax:** (206) 527-2514
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 19 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Allergy/Immunology (17), Nurse Practitioner (2); 10 practice at this address and 12 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 24, 2020
- **Other identifiers:** Other CP7653 (WA); Other NO3779 (WA); Medicaid 7701808 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1679504526) · Data from the CMS NPPES public registry.