SONJA MONIQUE MERZ LMFT
NPI 1700114279
Marriage & Family Therapist in Bellevue, WA

Q: What is Sonja Merz's NPI number?

The NPI number for Sonja Merz is 1700114279. It was assigned to this individual provider in the NPPES registry on November 21, 2009. The provider is also known as Sonja M Richman.

Q: What is Sonja Merz's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Q: When was this NPI record last updated?

The NPPES record for Sonja Merz was last updated on April 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.

Active since November 21, 2009

16410 SE 21ST PL, BELLEVUE, WA 98008(206) 999-3771(425) 968-2824 Get Directions Write a Review

NPPES record last updated: April 30, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Sonja Monique Merz Lmft NPPES

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

SONJA MONIQUE MERZ LMFT (NPI 1700114279) is an individual marriage & family therapist in Bellevue, Washington, licensed in Washington (LG60070301) and active in the NPI registry since November 2009.

NPPES Registry Identity

NPI1700114279

Entity TypeIndividualFemale

Primary Taxonomy106H00000X

Provider Legal NameSONJA MONIQUE MERZCredential: LMFT

Location Address16410 SE 21ST PLBellevue, WA 98008-5302

Mailing Address16410 Se 21st PlBellevue, WA 98008-5302 · (206) 999-3771 · Fax (425) 968-2824

Phone(206) 999-3771

Fax(425) 968-2824

Sole ProprietorYes

Enumeration DateNovember 21, 2009

Last NPPES UpdateApril 30, 2025

NPPES CertifiedApril 30, 2025

✔ NPI 1700114279 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers

Taxonomy Code106H00000X

License✔ Licensed in WA · LG60070301

Definition

A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.

16410 SE 21ST PL, Bellevue, WA 98008

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Other Names 1

Former Name (1)Sonja M Richman

Accepted Insurance

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

Other Providers at the Same Location NPPES

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

SONJA MERZ LMFT PLLC

Clinic/Center

16410 SE 21ST PL
BELLEVUE, WA 98008

King County (732) 523-4057

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 Sonja Merz's NPI number?

The NPI number for Sonja Merz is 1700114279. It was assigned to this individual provider in the NPPES registry on November 21, 2009. The provider is also known as Sonja M Richman.

Where is Sonja Merz located?

Sonja Merz practices at 16410 SE 21st Pl, Bellevue, WA 98008. The listed phone number is (206) 999-3771.

What is Sonja Merz's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

What insurance does Sonja Merz accept?

Health plans from PacificSource Health Plans and Premera Blue Cross Blue Shield of Alaska list Sonja Merz 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 Sonja Merz was last updated on April 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.