Provider Profile
Maria Costello, LSWAIC
Unclaimed ProfileAbout Maria Costello
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Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Contact Information
- (206) 594-5154
- Email not available
Practice Locations
23745 225TH WAY SE STE 207
Maple Valley, WA 98038
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What is Maria Costello's specialty?
Maria Costello is a clinical social worker in Maple Valley, WA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Maria Costello?
Maria Costello is listed at 23745 225Th Way Se Ste 207, Maple Valley, WA 98038. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Maria Costello?
The number on file is (206) 594-5154. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Maria Costello's NPI number?
Maria Costello's National Provider Identifier is 1689438954. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has Maria Costello been practicing?
Maria Costello has 2+ years experience. Registered with an NPI since 2024. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Maria Costello confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Maria Costello. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.