IndividualActive
Leah Grupp-Williams
NPI 1366985434 · Mental Health Counselor · Lynnwood, WA
Leah Grupp-Williams is a Mental Health Counselor provider in Lynnwood, WA (NPI 1366985434).
Provider details
- NPI number
- 1366985434
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(64/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
83% 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
4807 196th St Sw
Lynnwood, WA 98036-6430
Phone: (425) 774-4269
Street-level locationGet directions
Mailing address
4807 196th St Sw
Lynnwood, WA 98036-6430
Registry dates
- Enumerated
- 2016-11-22
- Last updated
- 2016-11-22
Frequently asked questions
- What is Leah Grupp-Williams's NPI number?
- Leah Grupp-Williams's National Provider Identifier (NPI) is 1366985434, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leah Grupp-Williams's specialty?
- Leah Grupp-Williams is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Leah Grupp-Williams located?
- Leah Grupp-Williams's practice location on file with NPPES is 4807 196th St Sw, Lynnwood, WA 98036-6430.
- What is Leah Grupp-Williams's phone number?
- The practice phone number listed in the NPPES registry for Leah Grupp-Williams is (425) 774-4269.
- Is Leah Grupp-Williams's NPI active?
- Yes — Leah Grupp-Williams's NPI (1366985434) is active in the NPPES registry as of the last update on 2016-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.