BRITTNIE WILLIAMS
NPI 1336720903
Nurse Practitioner - Psychiatric/Mental Health in Olympia, WA

Active since April 15, 2021PECOS Enrolled
3436 MARY ELDER RD NE, OLYMPIA, WA 98506(360) 528-2590 Get Directions Write a Review

NPPES record last updated: March 2, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 2, 2026, Apr 15, 2021 (2 updates tracked since 2021).

About Brittnie Williams NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BRITTNIE WILLIAMS (NPI 1336720903) is an individual psychiatric/mental health provider in Olympia, Washington, licensed in Washington (AP70079795) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1336720903
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameBRITTNIE WILLIAMS
Location Address3436 MARY ELDER RD NEOlympia, WA 98506-5050
Mailing Address7415 S Bell StTacoma, WA 98408-7110
Sole ProprietorYes
Medical School CMSOtherGraduated 2025
Enumeration DateApril 15, 2021
Last NPPES UpdateMarch 2, 20262 updates tracked since enumeration
NPPES CertifiedMarch 2, 2026
✔ NPI 1336720903 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in WA · AP70079795
Also ListedRegistered NurseTaxonomy 163W00000X · License RN61123654 (WA)
3436 MARY ELDER RD NE, Olympia, WA 98506

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)

Brittnie Williams is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2961960422
PECOS Enrollment IDI20260815000358
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Brittnie Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Psychiatric/Mental Health
3927 COLBY AVE
Everett, WA 98201
  • Reassigned Medicare billing, Washington enrollment
  • 5 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 98506 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$88.29 typical visit price
range $57.27 – $172.80
Typical copayment $22.07 (range $14.31 – $43.20)
Most-billed visit code 99203
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Music Therapist
3436 MARY ELDER RD NE
OLYMPIA, WA 98506
Counselor (Mental Health)
3436 MARY ELDER RD NE
OLYMPIA, WA 98506
Registered Nurse
3436 MARY ELDER RD NE
OLYMPIA, WA 98506
Licensed Practical Nurse
3436 MARY ELDER RD NE
OLYMPIA, WA 98506
Counselor (Mental Health)
3436 MARY ELDER RD NE
OLYMPIA, WA 98506
Specialist/Technologist, Health Information
3436 MARY ELDER RD NE
OLYMPIA, WA 98506
Counselor (Mental Health)
3436 MARY ELDER RD NE
OLYMPIA, WA 98506
Counselor (Mental Health)
3436 MARY ELDER RD NE
OLYMPIA, WA 98506

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 Brittnie Williams's NPI number?

The NPI number for Brittnie Williams is 1336720903. It was assigned to this individual provider in the NPPES registry on April 15, 2021.

Where is Brittnie Williams located?

Brittnie Williams practices at 3436 Mary Elder Rd NE, Olympia, WA 98506. The listed phone number is (360) 528-2590.

What is Brittnie Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Brittnie Williams enrolled in Medicare?

Yes. Brittnie Williams is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Brittnie Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brittnie Williams reassigns Medicare benefits to (Everett, 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 Brittnie Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Brittnie Williams accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Brittnie 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.

When was this NPI record last updated?

The NPPES record for Brittnie Williams was last updated on March 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.