MS. SHALYN CHRISTINE LARSEN MSN, APRN,FNP-C
NPI 1659093581
Nurse Practitioner - Family in Hermiston, OR
About Ms. Shalyn Christine Larsen Msn, Aprn,fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. SHALYN CHRISTINE LARSEN MSN, APRN,FNP-C (NPI 1659093581) is an individual family provider in Hermiston, Oregon, licensed in Oregon (10000469) and active in the NPI registry since September 2022. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ms. Shalyn Christine Larsen Msn, Aprn,fnp-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Shalyn Larsen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hermiston, OR 97838
- Reassigned Medicare billing, Oregon enrollment
- Also billed through NPI 1295789667 (Oregon)
- 344 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 97838 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.
HERMISTON, OR 97838
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 Shalyn Larsen's NPI number?
The NPI number for Shalyn Larsen is 1659093581. It was assigned to this individual provider in the NPPES registry on September 16, 2022.
Where is Shalyn Larsen located?
Shalyn Larsen practices at 610 NW 11th St, Hermiston, OR 97838. The listed phone number is (541) 667-3400.
What is Shalyn Larsen's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Shalyn Larsen enrolled in Medicare?
Yes. Shalyn Larsen is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Shalyn Larsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shalyn Larsen reassigns Medicare benefits to Good Shepherd Health Care System (Hermiston, OR). 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 Shalyn Larsen'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 Shalyn Larsen was last updated on October 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Ms. Shalyn Christine Larsen, MSN, APRN,FNP-C · NPI 1659093581
Family physician in Hermiston, Oregon. Individual provider, active in the CMS NPPES registry since September 16, 2022.
## Identity
- **NPI:** 1659093581 (Entity type: Individual)
- **Enumerated:** September 16, 2022
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 10000469 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 610 NW 11TH ST, Hermiston, OR 97838-6601
- **Phone:** (541) 667-3400
## 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:** Good Shepherd Health Care System (NPI 1336198159, Hermiston, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 20, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1659093581) · Data from the CMS NPPES public registry.