Katharine Blumenthal, LICSW
NPI 1447782255 · Clinical Social Worker · Washington, DC
Katharine Blumenthal, LICSW is a Clinical Social Worker provider in Washington, DC (NPI 1447782255).
Provider details
- NPI number
- 1447782255
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- LC50078733 (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
9 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
- 2017-03-30
- Last updated
- 2017-03-30
Frequently asked questions
- What is Katharine Blumenthal's NPI number?
- Katharine Blumenthal's National Provider Identifier (NPI) is 1447782255, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katharine Blumenthal's specialty?
- Katharine Blumenthal is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Katharine Blumenthal located?
- Katharine Blumenthal's practice location on file with NPPES is 1555 Connecticut Ave Nw, Washington, DC 20036-1111.
- What is Katharine Blumenthal's phone number?
- The practice phone number listed in the NPPES registry for Katharine Blumenthal is (202) 688-1449.
- Is Katharine Blumenthal's NPI active?
- Yes — Katharine Blumenthal's NPI (1447782255) is active in the NPPES registry as of the last update on 2017-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.