VIVIANA CASTILLO CONTRERAS LMHCA
NPI 1346823887
Counselor - Mental Health in Seattle, WA

Active since May 03, 2021PECOS Enrolled
320 NE 97TH ST STE A, SEATTLE, WA 98115(509) 720-7446 Get Directions Write a Review

NPPES record last updated: December 29, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 29, 2025, Aug 15, 2022, May 3, 2021 (3 updates tracked since 2021).

About Viviana Castillo Contreras Lmhca NPPES

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

VIVIANA CASTILLO CONTRERAS LMHCA (NPI 1346823887) is an individual mental health provider in Seattle, Washington, licensed in Washington (LH70010238) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Seattle, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1346823887
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameVIVIANA CASTILLO CONTRERASCredential: LMHCA
Location Address320 NE 97TH ST STE ASeattle, WA 98115-2042
Mailing Address100 N Howard St Ste WSpokane, WA 99201-0508 · (206) 475-5058
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateMay 3, 2021
Last NPPES UpdateDecember 29, 20253 updates tracked since enumeration
NPPES CertifiedDecember 29, 2025
✔ NPI 1346823887 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
Licenses✔ Licensed in WA · LH70010238✔ Licensed in WA · MC61323427
Also ListedCounselorTaxonomy 101Y00000X
320 NE 97TH ST STE A, Seattle, WA 98115

Secondary Practice Location 1

Location 110700 Meridian Ave N Ste G11Seattle, WA 98133-9008 · Phone (206) 461-4544 · Fax (206) 461-6939

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)

Viviana Castillo Contreras Lmhca is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2163908302
PECOS Enrollment IDI20260107004523
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 Viviana Castillo Contreras reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Clinical
6505 216TH ST SW STE 100
Mountlake Terrace, WA 98043
  • Reassigned Medicare billing, Washington enrollment
  • 777 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.

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.

Nurse Practitioner (Psychiatric/Mental Health)
320 NE 97TH ST STE A
SEATTLE, WA 98115
Counselor (Mental Health)
320 NE 97TH ST STE A
SEATTLE, WA 98115
Counselor (Mental Health)
320 NE 97TH ST STE A
SEATTLE, WA 98115
Counselor (Mental Health)
320 NE 97TH ST STE A
SEATTLE, WA 98115
Counselor (Mental Health)
320 NE 97TH ST STE A
SEATTLE, WA 98115
Counselor (Mental Health)
320 NE 97TH ST STE A
SEATTLE, WA 98115
Counselor (Mental Health)
320 NE 97TH ST STE A
SEATTLE, WA 98115
Social Worker (Clinical)
320 NE 97TH ST STE A
SEATTLE, WA 98115

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 Viviana Castillo Contreras's NPI number?

The NPI number for Viviana Castillo Contreras is 1346823887. It was assigned to this individual provider in the NPPES registry on May 3, 2021.

Where is Viviana Castillo Contreras located?

Viviana Castillo Contreras practices at 320 NE 97th St Ste A, Seattle, WA 98115. The listed phone number is (509) 720-7446.

What is Viviana Castillo Contreras's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Viviana Castillo Contreras enrolled in Medicare?

Yes. Viviana Castillo Contreras is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Viviana Castillo Contreras's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Viviana Castillo Contreras reassigns Medicare benefits to Mindful Therapy Group PC (Mountlake Terrace, 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 Viviana Castillo Contreras's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Viviana Castillo Contreras accept?

Health plans from BridgeSpan Health Company, Premera Blue Cross Blue Shield of Alaska and Regence BlueCross BlueShield of Oregon list Viviana Castillo Contreras 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 Viviana Castillo Contreras was last updated on December 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.