Iona Sebastian, MSW,LICSW
NPI 1710278379 · Clinical Social Worker · Washington, DC
Iona Sebastian, MSW,LICSW is a Clinical Social Worker provider in Washington, DC (NPI 1710278379).
Provider details
- NPI number
- 1710278379
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW,LICSW
- Sex
- Female
- Sole proprietor
- No
- License
- LC50079086 (DC)
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
15 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
- 2011-04-29
- Last updated
- 2011-08-10
Frequently asked questions
- What is Iona Sebastian's NPI number?
- Iona Sebastian's National Provider Identifier (NPI) is 1710278379, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Iona Sebastian's specialty?
- Iona Sebastian is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Iona Sebastian located?
- Iona Sebastian's practice location on file with NPPES is 3800 Jenifer St Nw, Washington, DC 20015-1918.
- What is Iona Sebastian's phone number?
- The practice phone number listed in the NPPES registry for Iona Sebastian is (202) 374-0742.
- Is Iona Sebastian's NPI active?
- Yes — Iona Sebastian's NPI (1710278379) is active in the NPPES registry as of the last update on 2011-08-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.