IndividualActive
Kathleen Callahan
NPI 1306717087 · Social Worker · Cambridge, MA
Kathleen Callahan is a Social Worker provider in Cambridge, MA (NPI 1306717087).
Provider details
- NPI number
- 1306717087
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(47/100 index)
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
83% 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
875 Massachusetts Ave Ste 4
Cambridge, MA 02139-3067
Phone: (513) 638-2323
Street-level locationGet directions
Mailing address
875 Massachusetts Ave Ste 4
Cambridge, MA 02139-3067
Registry dates
- Enumerated
- 2025-09-15
- Last updated
- 2025-09-15
- Certified
- 2025-09-15
Frequently asked questions
- What is Kathleen Callahan's NPI number?
- Kathleen Callahan's National Provider Identifier (NPI) is 1306717087, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen Callahan's specialty?
- Kathleen Callahan is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Kathleen Callahan located?
- Kathleen Callahan's practice location on file with NPPES is 875 Massachusetts Ave Ste 4, Cambridge, MA 02139-3067.
- What is Kathleen Callahan's phone number?
- The practice phone number listed in the NPPES registry for Kathleen Callahan is (513) 638-2323.
- Is Kathleen Callahan's NPI active?
- Yes — Kathleen Callahan's NPI (1306717087) is active in the NPPES registry as of the last update on 2025-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.