REAGHAN KATHLEEN SIEBEIN NP
NPI 1609340074
Nurse Practitioner in Moses Lake, WA
About Reaghan Kathleen Siebein Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
REAGHAN KATHLEEN SIEBEIN NP (NPI 1609340074) is an individual nurse practitioner in Moses Lake, Washington, licensed in Washington (AP60985969) and active in the NPI registry since January 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Reaghan Kathleen Siebein Np 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 Reaghan Siebein reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Wenatchee, WA 98801
- Reassigned Medicare billing, Washington enrollment
- 558 clinicians in this Medicare group
Sammamish, WA 98074
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: King County Public Hospital District No 2
- 1,074 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 9
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98837 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.
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 Reaghan Siebein's NPI number?
The NPI number for Reaghan Siebein is 1609340074. It was assigned to this individual provider in the NPPES registry on January 18, 2019.
Where is Reaghan Siebein located?
Reaghan Siebein practices at 840 E Hill Ave, Moses Lake, WA 98837. The listed phone number is (509) 663-8711.
What is Reaghan Siebein's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Reaghan Siebein enrolled in Medicare?
Yes. Reaghan Siebein 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 Reaghan Siebein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Reaghan Siebein reassigns Medicare benefits to 2 organizations: Wenatchee Valley Hospital (Wenatchee, WA) and Public Hospital District No 2 (Sammamish, 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 Reaghan Siebein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Reaghan Siebein accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Reaghan Siebein 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 Reaghan Siebein was last updated on October 3, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Reaghan Kathleen Siebein, NP · NPI 1609340074
Nurse Practitioner physician in Moses Lake, Washington. Individual provider, active in the CMS NPPES registry since January 18, 2019.
## Identity
- **NPI:** 1609340074 (Entity type: Individual)
- **Enumerated:** January 18, 2019
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** AP60985969 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 840 E HILL AVE, Moses Lake, WA 98837-2238
- **Phone:** (509) 663-8711
## 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): Wenatchee Valley Hospital (NPI 1669719688, Wenatchee, WA); Public Hospital District No 2 (NPI 1417058694, Sammamish, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** October 3, 2019
- **Other identifiers:** Other AG05190023
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Source: [NPI Profile](https://npiprofile.com/npi/1609340074) · Data from the CMS NPPES public registry.