GAVIN SIEVERS
NPI 1639043375
Nurse Practitioner - Family in Richland, WA
About Gavin Sievers NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GAVIN SIEVERS (NPI 1639043375) is an individual family provider in Richland, Washington, licensed in Washington (AP70043949) and active in the NPI registry since October 2025. He is enrolled in Medicare PECOS and is a graduate of Other (2025).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Gavin Sievers is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Gavin Sievers reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Richland, WA 99354
- Reassigned Medicare billing, Washington enrollment
- Also billed through NPI 1831284280 (Washington)
- 96 clinicians in this Medicare group
Kennewick, WA 99338
- Reassigned Medicare billing, Washington enrollment
- 159 clinicians in this Medicare group
Spokane, WA 99218
- Reassigned Medicare billing, Washington enrollment
- 105 clinicians in this Medicare group
Puyallup, WA 98374
- Reassigned Medicare billing, Washington enrollment
- 91 clinicians in this Medicare group
Tacoma, WA 98409
- Reassigned Medicare billing, Washington enrollment
- 104 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 99352 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Gavin Sievers's NPI number?
The NPI number for Gavin Sievers is 1639043375. It was assigned to this individual provider in the NPPES registry on October 4, 2025.
Where is Gavin Sievers located?
Gavin Sievers practices at 1844 Newhaven Loop, Richland, WA 99352. The listed phone number is (509) 378-5163.
What is Gavin Sievers's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Gavin Sievers enrolled in Medicare?
Yes. Gavin Sievers is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Gavin Sievers's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gavin Sievers reassigns Medicare benefits to 5 organizations: Lourdes Hospital LLC (Richland, WA), Rcch Trios Health LLC (Kennewick, WA), Washington Pac Services PC (Spokane, WA), Cs Pacs 3 Northwest, LLC (Puyallup, WA) and Wa Pacs 2 PC (Tacoma, 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 Gavin Sievers's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gavin Sievers accept?
Health plans from Ambetter Health and Premera Blue Cross Blue Shield of Alaska list Gavin Sievers 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 Gavin Sievers was last updated on October 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.
# Gavin Sievers · NPI 1639043375
Family physician in Richland, Washington. Individual provider, active in the CMS NPPES registry since October 4, 2025.
## Identity
- **NPI:** 1639043375 (Entity type: Individual)
- **Enumerated:** October 4, 2025
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** AP70043949 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1844 NEWHAVEN LOOP, Richland, WA 99352-7637
- **Phone:** (509) 378-5163
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Lourdes Hospital LLC (NPI 1548342181, Richland, WA); Rcch Trios Health LLC (NPI 1831682806, Kennewick, WA); Washington Pac Services PC (NPI 1336678168, Spokane, WA); Cs Pacs 3 Northwest, LLC (NPI 1811752066, Puyallup, WA); Wa Pacs 2 PC (NPI 1144706532, Tacoma, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2025
## Record status
- **NPPES last updated:** October 4, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1639043375) · Data from the CMS NPPES public registry.