IndividualActive
Marissa Cosaert
NPI 1023975612 · Mental Health Counselor · Walla Walla, WA
Marissa Cosaert is a Mental Health Counselor provider in Walla Walla, WA (NPI 1023975612).
Provider details
- NPI number
- 1023975612
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- MHCA.MC.70045905 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(53/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
5 W Alder St Ste 333
Walla Walla, WA 99362-2849
Phone: (509) 529-4774
Street-level locationGet directions
Mailing address
5 W Alder St Ste 333
Walla Walla, WA 99362-2849
Registry dates
- Enumerated
- 2026-01-06
- Last updated
- 2026-01-06
- Certified
- 2026-01-06
Frequently asked questions
- What is Marissa Cosaert's NPI number?
- Marissa Cosaert's National Provider Identifier (NPI) is 1023975612, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Cosaert's specialty?
- Marissa Cosaert is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Marissa Cosaert located?
- Marissa Cosaert's practice location on file with NPPES is 5 W Alder St Ste 333, Walla Walla, WA 99362-2849.
- What is Marissa Cosaert's phone number?
- The practice phone number listed in the NPPES registry for Marissa Cosaert is (509) 529-4774.
- Is Marissa Cosaert's NPI active?
- Yes — Marissa Cosaert's NPI (1023975612) is active in the NPPES registry as of the last update on 2026-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.