Neli Velentzas, LCSW
NPI 1144623372 · Clinical Social Worker · Arlington, VA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Neli Velentzas, LCSW is a Clinical Social Worker provider in Arlington, VA (NPI 1144623372).
Provider details
- NPI number
- 1144623372
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- LG50080335 (DC)
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
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1509 16th St NwWashington, DC 20036-1461Phone: (352) 283-6604
Registry dates
- Enumerated
- 2014-10-02
- Last updated
- 2019-08-23
Frequently asked questions
- What is Neli Velentzas's NPI number?
- Neli Velentzas's National Provider Identifier (NPI) is 1144623372, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Neli Velentzas's specialty?
- Neli Velentzas is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Neli Velentzas located?
- Neli Velentzas's practice location on file with NPPES is 2100 Washington Blvd Fl 4, Arlington, VA 22204-5717.
- What is Neli Velentzas's phone number?
- The practice phone number listed in the NPPES registry for Neli Velentzas is (703) 228-1600.
- Does Neli Velentzas accept Medicare?
- Neli Velentzas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Neli Velentzas's NPI active?
- Yes — Neli Velentzas's NPI (1144623372) is active in the NPPES registry as of the last update on 2019-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.