MRS. KIM KATHLEEN WILLIAMS ARNP
NPI 1598000515
Nurse Practitioner - Family in Lacey, WA
About Mrs. Kim Kathleen Williams Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. KIM KATHLEEN WILLIAMS ARNP (NPI 1598000515) is an individual family provider in Lacey, Washington, licensed in Washington (AP61377599) and active in the NPI registry since December 2012. She is enrolled in Medicare PECOS, is affiliated with Providence Centralia Hospital, and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses 2
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
Mrs. Kim Kathleen Williams 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 Reassignments
2Medicare enrollment records show Kim Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Olympia, WA 98506
- Reassigned Medicare billing, Washington enrollment
- 646 clinicians in this Medicare group
Phoenix, AZ 85012
- Reassigned Medicare billing, Arizona enrollment
- 553 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 3
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Providence Centralia Hospital
Acute Care Hospitals · Centralia, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98503 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.
LACEY, WA 98503
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 Kim Williams's NPI number?
The NPI number for Kim Williams is 1598000515. It was assigned to this individual provider in the NPPES registry on December 2, 2012.
Where is Kim Williams located?
Kim Williams practices at 4800 College St SE, Lacey, WA 98503. The listed phone number is (360) 413-4250.
What is Kim Williams's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Kim Williams enrolled in Medicare?
Yes. Kim Williams 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 Kim Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kim Williams reassigns Medicare benefits to 2 organizations: Providence Health & Services Washington (Olympia, WA) and Banner - University Physician Specialists LLC (Phoenix, AZ). 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 Kim Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kim Williams accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Oscar Health Plan, Inc. and UnitedHealthcare list Kim Williams 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 Kim Williams affiliated with any hospitals?
According to CMS data, Kim Williams is affiliated with Providence Centralia Hospital.
When was this NPI record last updated?
The NPPES record for Kim Williams was last updated on February 15, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Mrs. Kim Kathleen Williams, ARNP · NPI 1598000515
Family physician in Lacey, Washington. Individual provider, active in the CMS NPPES registry since December 2, 2012.
## Identity
- **NPI:** 1598000515 (Entity type: Individual)
- **Enumerated:** December 2, 2012
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** AP61377599 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 4800 COLLEGE ST SE, Lacey, WA 98503-4389
- **Phone:** (360) 413-4250 · **Fax:** (360) 412-2262
## 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): Providence Health & Services Washington (NPI 1174744304, Olympia, WA); Banner - University Physician Specialists LLC (NPI 1417312760, Phoenix, AZ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** February 15, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1598000515) · Data from the CMS NPPES public registry.