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

SONYA DEMPSEY PMHNP
NPI 1265274526
Nurse Practitioner - Psychiatric/Mental Health in Kennewick, WA

Active since June 08, 2024PECOS Enrolled
5453 RIDGELINE DR STE 120, KENNEWICK, WA 99338(509) 521-5211(305) 701-9950 Get Directions Write a Review

NPPES record last updated: October 1, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Oct 1, 2026, Jun 8, 2024 (2 updates tracked since 2024).

About Sonya Dempsey Pmhnp NPPES

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

SONYA DEMPSEY PMHNP (NPI 1265274526) is an individual psychiatric/mental health provider in Kennewick, Washington, licensed in Washington (AP51561778) and active in the NPI registry since June 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1265274526
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameSONYA DEMPSEYCredential: PMHNP
Location Address5453 RIDGELINE DR STE 120Kennewick, WA 99338-1865
Mailing Address34504 S Valley Vista Pr SeKennewick, WA 99338-5100 · (509) 430-6257
Phone(509) 521-5211
Fax(305) 701-9950
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateJune 8, 2024
Last NPPES UpdateOctober 1, 20262 updates tracked since enumeration
NPPES CertifiedOctober 1, 2026
✔ NPI 1265274526 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in WA · AP51561778
5453 RIDGELINE DR STE 120, Kennewick, WA 99338
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Sonya Dempsey Pmhnp 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.

PECOS PAC ID8729519970
PECOS Enrollment IDI20240930001626
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 99338 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 2

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

ART OF MENTAL WELLNESS
Clinic/Center
5453 RIDGELINE DR STE 120
KENNEWICK, WA 99338
Benton County (509) 521-5211
NICOLE HART
Nurse Practitioner (Psychiatric/Mental Health)
5453 RIDGELINE DR STE 120
KENNEWICK, WA 99338
Benton County (509) 492-0529

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 Sonya Dempsey's NPI number?

The NPI number for Sonya Dempsey is 1265274526. It was assigned to this individual provider in the NPPES registry on June 8, 2024.

Where is Sonya Dempsey located?

Sonya Dempsey practices at 5453 Ridgeline Dr Ste 120, Kennewick, WA 99338. The listed phone number is (509) 521-5211.

What is Sonya Dempsey's specialty?

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

Is Sonya Dempsey enrolled in Medicare?

Yes. Sonya Dempsey 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.

What insurance does Sonya Dempsey accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Sonya Dempsey 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 Sonya Dempsey was last updated on October 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.