Joanna Costello, LCSW
NPI 1144548017 · Clinical Social Worker · Concord, CA
Joanna Costello, LCSW is a Clinical Social Worker provider in Concord, CA (NPI 1144548017).
Provider details
- NPI number
- 1144548017
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- ASW 19732 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
16 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
- 2010-05-17
- Last updated
- 2025-04-24
- Certified
- 2025-04-24
Frequently asked questions
- What is Joanna Costello's NPI number?
- Joanna Costello's National Provider Identifier (NPI) is 1144548017, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanna Costello's specialty?
- Joanna Costello is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Joanna Costello located?
- Joanna Costello's practice location on file with NPPES is 4200 Concord Blvd, Concord, CA 94521-1094.
- What is Joanna Costello's phone number?
- The practice phone number listed in the NPPES registry for Joanna Costello is (925) 567-3282.
- Is Joanna Costello's NPI active?
- Yes — Joanna Costello's NPI (1144548017) is active in the NPPES registry as of the last update on 2025-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.