Sandra Jaco O'Brien, LICSW
NPI 1124491089 · Clinical Social Worker · Littleton, MA
Sandra Jaco O'Brien, LICSW is a Clinical Social Worker provider in Littleton, MA (NPI 1124491089).
Provider details
- NPI number
- 1124491089
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 1027630 (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
10 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
- 2015-11-01
- Last updated
- 2015-11-01
Frequently asked questions
- What is Sandra Jaco O'Brien's NPI number?
- Sandra Jaco O'Brien's National Provider Identifier (NPI) is 1124491089, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandra Jaco O'Brien's specialty?
- Sandra Jaco O'Brien is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Sandra Jaco O'Brien located?
- Sandra Jaco O'Brien's practice location on file with NPPES is 537 King St Fl 2, Littleton, MA 01460-1211.
- What is Sandra Jaco O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Sandra Jaco O'Brien is (978) 649-6452.
- Is Sandra Jaco O'Brien's NPI active?
- Yes — Sandra Jaco O'Brien's NPI (1124491089) is active in the NPPES registry as of the last update on 2015-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.