KATHLEEN A LANGE ARNP
NPI 1609091123
Nurse Practitioner - Pediatrics in Bellevue, WA
About Kathleen A Lange Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHLEEN A LANGE ARNP (NPI 1609091123) is an individual pediatrics provider in Bellevue, Washington, licensed in Washington (AP30002250) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Kathleen A Lange Arnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Kathleen Lange reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Seattle, WA 98109
- Reassigned Medicare billing, Washington enrollment
- 2,678 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98006 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BELLEVUE, WA 98006
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 Kathleen Lange's NPI number?
The NPI number for Kathleen Lange is 1609091123. It was assigned to this individual provider in the NPPES registry on April 17, 2007.
Where is Kathleen Lange located?
Kathleen Lange practices at 13451 SE 36th St, Bellevue, WA 98006. The listed phone number is (425) 562-1337.
What is Kathleen Lange's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Kathleen Lange enrolled in Medicare?
Yes. Kathleen Lange is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Kathleen Lange's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathleen Lange reassigns Medicare benefits to Kaiser Foundation Health Plan Of Washington (Seattle, WA). The 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 Kathleen Lange's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Kathleen Lange was last updated on March 30, 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.
# Kathleen A Lange, ARNP · NPI 1609091123
Pediatrics physician in Bellevue, Washington. Individual provider, active in the CMS NPPES registry since April 17, 2007.
## Identity
- **NPI:** 1609091123 (Entity type: Individual)
- **Enumerated:** April 17, 2007
- **Primary specialty:** Nurse Practitioner - Pediatrics · taxonomy 363LP0200X
- **State license:** AP30002250 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 13451 SE 36TH ST, Bellevue, WA 98006-1475
- **Phone:** (425) 562-1337
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Kaiser Foundation Health Plan Of Washington (NPI 1396810701, Seattle, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 30, 2021
- **Other identifiers:** Medicaid 9611435 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1609091123) · Data from the CMS NPPES public registry.