Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MRS. KELLI MONIQUE WILLIAMS PMHNP
NPI 1740903848
Nurse Practitioner - Psychiatric/Mental Health in Tukwila, WA

Q: What is Kelli Williams's NPI number?

The NPI number for Kelli Williams is 1740903848. It was assigned to this individual provider in the NPPES registry on September 22, 2022.

Q: What is Kelli Williams's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Kelli Williams was last updated on August 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days 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.

Active since September 22, 2022PECOS Enrolled

16000 CHRISTENSEN RD STE 200, TUKWILA, WA 98188(702) 589-4871 Get Directions Write a Review

NPPES record last updated: August 27, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Aug 27, 2026, Aug 5, 2026, Jul 29, 2026 and 2 more (5 updates tracked since 2022).

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About Mrs. Kelli Monique Williams Pmhnp NPPES

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

MRS. KELLI MONIQUE WILLIAMS PMHNP (NPI 1740903848) is an individual psychiatric/mental health provider in Tukwila, Washington, licensed in Washington (AP70130110) and active in the NPI registry since September 2022. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2025).

NPPES Registry Identity

NPI1740903848

Entity TypeIndividualFemale

Primary Taxonomy363LP0808X

Provider Legal NameMRS. KELLI MONIQUE WILLIAMSCredential: PMHNP

Location Address16000 CHRISTENSEN RD STE 200Tukwila, WA 98188-2925

Mailing Address9131 Downing StRosenberg, TX 77469-2387 · (281) 677-0283

Phone(702) 589-4871

Sole ProprietorYes

Medical School CMSOtherGraduated 2025

Enumeration DateSeptember 22, 2022

Last NPPES UpdateAugust 27, 20265 updates tracked since enumeration

NPPES CertifiedAugust 27, 2026

✔ NPI 1740903848 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

Licenses✔ Licensed in WA · AP70130110✔ Licensed in OR · 10061799

Also ListedRegistered NurseTaxonomy 163W00000X · License 1232958 (TX)

16000 CHRISTENSEN RD STE 200, Tukwila, WA 98188

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Secondary Practice Locations 2

Location 16003 SE 136th AvePortland, OR 97236-4567 · Phone (702) 589-4872 · Fax (702) 589-4872

Location 29131 Downing StRosenberg, TX 77469-2387 · Phone (281) 677-0283

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Kelli Monique Williams Pmhnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9436622545

PECOS Enrollment IDI20260622000777

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98188 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

$97.43 typical visit price

range $63.67 – $189.37

Typical copayment $24.35 (range $15.91 – $47.34)

Most-billed visit code 99203

Established Patient

$111.00 typical visit price

range $21.12 – $155.00

Typical copayment $27.75 (range $5.28 – $38.75)

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 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ST JOHN AUD CAVINS APRN

Nurse Practitioner (Psychiatric/Mental Health)