Marissa Merrill
NPI 1679040174 · Mental Health Counselor · Tukwila, WA
Marissa Merrill is a Mental Health Counselor provider in Tukwila, WA (NPI 1679040174).
Provider details
- NPI number
- 1679040174
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Counselor101Y00000X
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
Mailing address
Additional practice locations (1)
- 10521 Meridian Ave NSeattle, WA 98133-9509Phone: (253) 833-7444
Registry dates
- Enumerated
- 2018-11-01
- Last updated
- 2019-04-29
Frequently asked questions
- What is Marissa Merrill's NPI number?
- Marissa Merrill's National Provider Identifier (NPI) is 1679040174, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Merrill's specialty?
- Marissa Merrill is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Marissa Merrill located?
- Marissa Merrill's practice location on file with NPPES is 6400 Southcenter Blvd, Tukwila, WA 98188-2547.
- What is Marissa Merrill's phone number?
- The practice phone number listed in the NPPES registry for Marissa Merrill is (206) 901-2000.
- Is Marissa Merrill's NPI active?
- Yes — Marissa Merrill's NPI (1679040174) is active in the NPPES registry as of the last update on 2019-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.