IndividualActive
Marianne Pettersen, MSW LICSW
NPI 1477605343 · Social Worker · Seattle, WA
Marianne Pettersen, MSW LICSW is a Social Worker provider in Seattle, WA (NPI 1477605343).
Provider details
- NPI number
- 1477605343
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW LICSW
- Sex
- Female
- Sole proprietor
- No
- License
- LW00004884 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
200 West Mercer St
Suite 200
Seattle, WA 98119
Phone: (206) 284-4861
Street-level locationGet directions
Mailing address
200 West Mercer St
Seattle, WA 98119
Registry dates
- Enumerated
- 2007-01-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marianne Pettersen's NPI number?
- Marianne Pettersen's National Provider Identifier (NPI) is 1477605343, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marianne Pettersen's specialty?
- Marianne Pettersen is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Marianne Pettersen located?
- Marianne Pettersen's practice location on file with NPPES is 200 West Mercer St, Seattle, WA 98119.
- What is Marianne Pettersen's phone number?
- The practice phone number listed in the NPPES registry for Marianne Pettersen is (206) 284-4861.
- Is Marianne Pettersen's NPI active?
- Yes — Marianne Pettersen's NPI (1477605343) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.