Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Lily Wolff-Knuffke, LMHC

Mental Health Counselor in Bellevue, WA · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1831105402

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Registry record

Entity type Individual (Type 1)

Name Lily Wolff-Knuffke

Credential LMHC

Sex Female

Practice address 1811 156th Ave Ne, Bellevue, WA, 98007

Phone (425) 460-7125

Fax (425) 460-7148

Enumeration date Aug 1, 2006

Last updated in NPPES Jul 15, 2024

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License LH61432899 (WA) Primary

101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License 18175 (TX) Secondary

101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License 6505 (CO) Secondary

Other identifiers

Identifier	Type	State	Issuer
1562217-02	Medicaid	TX	-
156221703	Medicaid	TX	-
83800L	Other	TX	ALPHA OMEGA BCBS

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Lily Wolff-Knuffke?

The National Provider Identifier (NPI) for Lily Wolff-Knuffke is 1831105402, a Type 1 (individual) record in the CMS NPPES registry.

Where does Lily Wolff-Knuffke practice?

The practice location on file with NPPES is in Bellevue, WA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-07-15.