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Mallory Thrall
NPI 1255103362 · Mental Health Counselor · Seattle, WA
Mallory Thrall is a Mental Health Counselor provider in Seattle, WA (NPI 1255103362).
Provider details
- NPI number
- 1255103362
- 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(56/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
3814 11th Ave W
Unit 26
Seattle, WA 98119
Phone: (704) 966-9473
Street-level locationGet directions
Mailing address
3814 11th Ave W
Seattle, WA 98119
Additional practice locations (1)
- 639 Cullum Ave Unit 854Richland, WA 99352-5048Phone: (509) 205-5559
Registry dates
- Enumerated
- 2023-10-23
- Last updated
- 2026-01-16
- Certified
- 2026-01-16
Frequently asked questions
- What is Mallory Thrall's NPI number?
- Mallory Thrall's National Provider Identifier (NPI) is 1255103362, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mallory Thrall's specialty?
- Mallory Thrall is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Mallory Thrall located?
- Mallory Thrall's practice location on file with NPPES is 3814 11th Ave W, Seattle, WA 98119.
- What is Mallory Thrall's phone number?
- The practice phone number listed in the NPPES registry for Mallory Thrall is (704) 966-9473.
- Is Mallory Thrall's NPI active?
- Yes — Mallory Thrall's NPI (1255103362) is active in the NPPES registry as of the last update on 2026-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.