Elizabeth Mass
NPI 1851051411 · Clinical Social Worker · Washington, DC
Elizabeth Mass is a Clinical Social Worker provider in Washington, DC (NPI 1851051411).
Provider details
- NPI number
- 1851051411
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 0904011940 (VA)
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
4 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
- 2021-12-23
- Last updated
- 2022-09-13
- Certified
- 2022-09-13
Frequently asked questions
- What is Elizabeth Mass's NPI number?
- Elizabeth Mass's National Provider Identifier (NPI) is 1851051411, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Mass's specialty?
- Elizabeth Mass is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Elizabeth Mass located?
- Elizabeth Mass's practice location on file with NPPES is 1634 Eye St Nw Ste 550, Washington, DC 20006-4069.
- What is Elizabeth Mass's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Mass is (202) 596-7093.
- Is Elizabeth Mass's NPI active?
- Yes — Elizabeth Mass's NPI (1851051411) is active in the NPPES registry as of the last update on 2022-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.