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

MILLER RELATIONSHIP CENTER, PLLC
NPI 1689493967
Counselor - Mental Health in Soap Lake, WA

Q: What is Miller Relationship Center, PLLC's NPI number?

The NPI number for Miller Relationship Center, PLLC is 1689493967. It was assigned to this organization in the NPPES registry on October 4, 2024.

Q: What is Miller Relationship Center, PLLC's specialty?

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

Active since October 04, 2024

228 EPHRATA AVE NW, SOAP LAKE, WA 98851(509) 793-0717 Get Directions Write a Review

NPPES record last updated: June 23, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 10, 2024, Oct 4, 2024 (2 updates tracked since 2024).

On this page

About Miller Relationship Center, Pllc NPPES

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

MILLER RELATIONSHIP CENTER, PLLC (NPI 1689493967) is a healthcare organization registered as a mental health in Soap Lake, Washington and active in the NPI registry since October 2024. The organization maintains a secondary practice location in Ephrata and lists Machelle Renee Miller, President, as its authorized official.

NPPES Registry Identity

NPI1689493967

Entity TypeOrganization

Primary Taxonomy101YM0800X

Legal Business NameMILLER RELATIONSHIP CENTER, PLLC

Location Address228 EPHRATA AVE NWSoap Lake, WA 98851-9605

Mailing AddressPo Box 381Soap Lake, WA 98851-0381

Phone(509) 793-0717

Organization SubpartNo

Authorized OfficialMachelle Renee MillerPresident · (509) 793-0717

Enumeration DateOctober 4, 2024

Last NPPES UpdateJune 23, 20262 updates tracked since enumeration

NPPES CertifiedJune 23, 2026

✔ NPI 1689493967 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

228 EPHRATA AVE NW, Soap Lake, WA 98851

Open in Google Maps ↗

Secondary Practice Location 1

Location 1114 1st Ave NW Ste B4Ephrata, WA 98823-1602 · Phone (509) 793-0717

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES

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

MACHELLE R MILLER LMHC

Counselor (Mental Health)

228 EPHRATA AVE NW
SOAP LAKE, WA 98851

Grant County (509) 237-0672

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 Miller Relationship Center, PLLC's NPI number?

The NPI number for Miller Relationship Center, PLLC is 1689493967. It was assigned to this organization in the NPPES registry on October 4, 2024.

Where is Miller Relationship Center, PLLC located?

Miller Relationship Center, PLLC is located at 228 Ephrata Ave NW, Soap Lake, WA 98851. The listed phone number is (509) 793-0717.

What is Miller Relationship Center, PLLC's specialty?

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

When was this NPI record last updated?

The NPPES record for Miller Relationship Center, PLLC was last updated on June 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 48 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.