LARKIN AMANDA JEFFERSON ARNP
NPI 1902596752
Nurse Practitioner - Acute Care in Seattle, WA
About Larkin Amanda Jefferson Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LARKIN AMANDA JEFFERSON ARNP (NPI 1902596752) is an individual acute care provider in Seattle, Washington, licensed in Washington (AP61440167) and active in the NPI registry since May 2023. She is enrolled in Medicare PECOS, is affiliated with Swedish Medical Center / Cherry Hill, and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses 2
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
Larkin Amanda Jefferson Arnp 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 Reassignment
Medicare enrollment records show Larkin Jefferson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 1,270 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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Swedish Medical Center / Cherry Hill
Acute Care Hospitals · Seattle, WASwedish Edmonds Hospital
Acute Care Hospitals · Edmonds, WASwedish Medical Center
Acute Care Hospitals · Seattle, WAOlympic Medical Center
Acute Care Hospitals · Port Angeles, WASwedish Issaquah
Acute Care Hospitals · Issaquah, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98122 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 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SEATTLE, WA 98122
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 Larkin Jefferson's NPI number?
The NPI number for Larkin Jefferson is 1902596752. It was assigned to this individual provider in the NPPES registry on May 15, 2023.
Where is Larkin Jefferson located?
Larkin Jefferson practices at 550 17th Ave Ste 110, Seattle, WA 98122. The listed phone number is (206) 320-3470.
What is Larkin Jefferson's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Larkin Jefferson enrolled in Medicare?
Yes. Larkin Jefferson 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 organization bills Medicare for Larkin Jefferson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Larkin Jefferson reassigns Medicare benefits to Swedish Health Services (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 Larkin Jefferson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Larkin Jefferson accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Larkin Jefferson 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.
Is Larkin Jefferson affiliated with any hospitals?
According to CMS data, Larkin Jefferson is affiliated with Swedish Medical Center / Cherry Hill, Swedish Edmonds Hospital, Swedish Medical Center, Olympic Medical Center and Swedish Issaquah.
When was this NPI record last updated?
The NPPES record for Larkin Jefferson was last updated on June 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Larkin Amanda Jefferson, ARNP · NPI 1902596752
Acute Care physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since May 15, 2023.
## Identity
- **NPI:** 1902596752 (Entity type: Individual)
- **Enumerated:** May 15, 2023
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** AP61440167 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 550 17TH AVE STE 110, Seattle, WA 98122-5789
- **Phone:** (206) 320-3470 · **Fax:** (206) 320-3471
## 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:** Swedish Health Services (NPI 1689612954, Seattle, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** June 27, 2025
- **Other identifiers:** Medicaid 2308688 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1902596752) · Data from the CMS NPPES public registry.