Ellen Karlberg, LCSW
NPI 1568330314 · Clinical Social Worker · Boston, MA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ellen Karlberg, LCSW is a Clinical Social Worker provider in Boston, MA (NPI 1568330314).
Provider details
- NPI number
- 1568330314
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- LCSW2141048 (MA)
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
Under 1 yr in 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
- 2025-10-24
- Last updated
- 2025-10-24
- Certified
- 2025-10-24
Frequently asked questions
- What is Ellen Karlberg's NPI number?
- Ellen Karlberg's National Provider Identifier (NPI) is 1568330314, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Karlberg's specialty?
- Ellen Karlberg is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Ellen Karlberg located?
- Ellen Karlberg's practice location on file with NPPES is 800 Washington St, Boston, MA 02111-1552.
- What is Ellen Karlberg's phone number?
- The practice phone number listed in the NPPES registry for Ellen Karlberg is (617) 636-5000.
- Does Ellen Karlberg accept Medicare?
- Ellen Karlberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ellen Karlberg's NPI active?
- Yes — Ellen Karlberg's NPI (1568330314) is active in the NPPES registry as of the last update on 2025-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.