Maria Costello, LSWAIC
NPI 1689438954 · Clinical Social Worker · Maple Valley, WA
Maria Costello, LSWAIC is a Clinical Social Worker provider in Maple Valley, WA (NPI 1689438954).
Provider details
- NPI number
- 1689438954
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LSWAIC
- Sex
- Female
- Sole proprietor
- No
- License
- SC61435619 (WA)
Specialties & taxonomies
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
2 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
Mailing address
Registry dates
- Enumerated
- 2024-02-07
- Last updated
- 2024-02-07
- Certified
- 2024-02-07
Frequently asked questions
- What is Maria Costello's NPI number?
- Maria Costello's National Provider Identifier (NPI) is 1689438954, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Costello's specialty?
- Maria Costello is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Maria Costello located?
- Maria Costello's practice location on file with NPPES is 23745 225th Way Se Ste 207, Maple Valley, WA 98038-5294.
- What is Maria Costello's phone number?
- The practice phone number listed in the NPPES registry for Maria Costello is (206) 594-5154.
- Is Maria Costello's NPI active?
- Yes — Maria Costello's NPI (1689438954) is active in the NPPES registry as of the last update on 2024-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.