IndividualActive
Mary Kate Little, LICSW
NPI 1659428795 · Clinical Social Worker · Boston, MA
Mary Kate Little, LICSW is a Clinical Social Worker provider in Boston, MA (NPI 1659428795).
Provider details
- NPI number
- 1659428795
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Female
- Sole proprietor
- No
- License
- 113204 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
300 Longwood Ave
Fegan 8 -- Dept of Psychiatry
Boston, MA 02115-5724
Phone: (617) 919-4779
Street-level locationGet directions
Mailing address
300 Longwood Ave
Boston, MA 02115-5724
Registry dates
- Enumerated
- 2007-01-04
- Last updated
- 2007-08-13
Frequently asked questions
- What is Mary Kate Little's NPI number?
- Mary Kate Little's National Provider Identifier (NPI) is 1659428795, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Kate Little's specialty?
- Mary Kate Little is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mary Kate Little located?
- Mary Kate Little's practice location on file with NPPES is 300 Longwood Ave, Boston, MA 02115-5724.
- What is Mary Kate Little's phone number?
- The practice phone number listed in the NPPES registry for Mary Kate Little is (617) 919-4779.
- Is Mary Kate Little's NPI active?
- Yes — Mary Kate Little's NPI (1659428795) is active in the NPPES registry as of the last update on 2007-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.