DR. JOHN WILLIAM KNUTSON MD
NPI 1891769071
Allergy & Immunology in Bellevue, WA
About Dr. John William Knutson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN WILLIAM KNUTSON MD (NPI 1891769071) is an individual allergy & immunology provider in Bellevue, Washington, licensed in Washington (MD60671163) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Saint Louis University School Of Medicine (1988).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. John William Knutson Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show John Knutson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 1,270 clinicians in this Medicare group
Renton, WA 98055
- Reassigned Medicare billing, Washington enrollment
- 291 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
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 John Knutson's NPI number?
The NPI number for John Knutson is 1891769071. It was assigned to this individual provider in the NPPES registry on February 15, 2006.
Where is John Knutson located?
John Knutson practices at 1200 112th Ave NE Ste B250, Bellevue, WA 98004. The listed phone number is (206) 386-9500.
What is John Knutson's specialty?
The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.
Is John Knutson enrolled in Medicare?
Yes. John Knutson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for John Knutson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Knutson reassigns Medicare benefits to 2 organizations: Swedish Health Services (Seattle, WA) and Pacmed Clinics (Renton, WA). Each 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 John Knutson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Knutson accept?
Health plans from Ambetter Health and Premera Blue Cross Blue Shield of Alaska list John Knutson 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 John Knutson was last updated on June 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. John William Knutson, MD · NPI 1891769071
Allergy & Immunology physician in Bellevue, Washington. Individual provider, active in the CMS NPPES registry since February 15, 2006.
## Identity
- **NPI:** 1891769071 (Entity type: Individual)
- **Enumerated:** February 15, 2006
- **Primary specialty:** Allergy & Immunology · taxonomy 207K00000X
- **State license:** MD60671163 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1200 112TH AVE NE STE B250, Bellevue, WA 98004-3749
- **Phone:** (206) 386-9500 · **Fax:** (206) 386-9605
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Swedish Health Services (NPI 1689612954, Seattle, WA); Pacmed Clinics (NPI 1720023641, Renton, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Saint Louis University School Of Medicine, class of 1988
## Record status
- **NPPES last updated:** June 16, 2021
- **Other identifiers:** Medicaid 1891769071 (WA); Medicaid 2093544 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1891769071) · Data from the CMS NPPES public registry.