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Dia Costello, LICSW
NPI 1538575196 · Clinical Social Worker · Glen Echo, MD
Dia Costello, LICSW is a Clinical Social Worker provider in Glen Echo, MD (NPI 1538575196).
Provider details
- NPI number
- 1538575196
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- LC302342 (DC)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(75/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
6100 Harvard Ave
Glen Echo, MD 20812-1116
Phone: (301) 263-9616
Street-level locationGet directions
Mailing address
5402 Connecticut Ave Nw Ste 102b
Washington, DC 20015-2857
Registry dates
- Enumerated
- 2014-07-03
- Last updated
- 2014-07-03
Frequently asked questions
- What is Dia Costello's NPI number?
- Dia Costello's National Provider Identifier (NPI) is 1538575196, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dia Costello's specialty?
- Dia Costello is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Dia Costello located?
- Dia Costello's practice location on file with NPPES is 6100 Harvard Ave, Glen Echo, MD 20812-1116.
- What is Dia Costello's phone number?
- The practice phone number listed in the NPPES registry for Dia Costello is (301) 263-9616.
- Is Dia Costello's NPI active?
- Yes — Dia Costello's NPI (1538575196) is active in the NPPES registry as of the last update on 2014-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.