IndividualActive
Joni Hardcastle, LW
NPI 1083749741 · Clinical Social Worker · Seattle, WA
Joni Hardcastle, LW is a Clinical Social Worker provider in Seattle, WA (NPI 1083749741).
Provider details
- NPI number
- 1083749741
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LW
- Sex
- Female
- Sole proprietor
- No
- License
- LW00004678 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 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 15th Ave E
Seattle, WA 98112-5260
Phone: (206) 326-3000
Street-level locationGet directions
Mailing address
Po Box 34584
Seattle, WA 98124-1584
Registry dates
- Enumerated
- 2007-02-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Joni Hardcastle's NPI number?
- Joni Hardcastle's National Provider Identifier (NPI) is 1083749741, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joni Hardcastle's specialty?
- Joni Hardcastle is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Joni Hardcastle located?
- Joni Hardcastle's practice location on file with NPPES is 200 15th Ave E, Seattle, WA 98112-5260.
- What is Joni Hardcastle's phone number?
- The practice phone number listed in the NPPES registry for Joni Hardcastle is (206) 326-3000.
- Is Joni Hardcastle's NPI active?
- Yes — Joni Hardcastle's NPI (1083749741) 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.