What is Seff Liddell's NPI number?

Seff Liddell's National Provider Identifier (NPI) is 1194502898, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Seff Liddell's specialty?

Seff Liddell is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).

Where is Seff Liddell located?

Seff Liddell's practice location on file with NPPES is 3812 Lanyard Dr Ne, Lacey, WA 98516-1333.

What is Seff Liddell's phone number?

The practice phone number listed in the NPPES registry for Seff Liddell is (502) 600-2539.

Is Seff Liddell's NPI active?

Yes — Seff Liddell's NPI (1194502898) is active in the NPPES registry as of the last update on 2025-11-14.

IndividualActive

Seff Liddell, LMHCA

NPI 1194502898 · Mental Health Counselor · Lacey, WA

Seff Liddell, LMHCA is a Mental Health Counselor provider in Lacey, WA (NPI 1194502898).

Provider details

NPI number: 1194502898
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Credential: LMHCA
Sex: Female
Sole proprietor: No
License: MC61545498 (WA)

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800XLicense MC61545498 (WA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(58/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
3 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

3812 Lanyard Dr Ne

Lacey, WA 98516-1333

Phone: (502) 600-2539

Street-level locationGet directions

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Mailing address