OrganizationActive
Efficacy Inc.
NPI 1235483371 · Clinical Social Worker · Dorchester, MA
Efficacy Inc. is a Clinical Social Worker organization in Dorchester, MA (NPI 1235483371).
Provider details
- NPI number
- 1235483371
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Lillian Seibert, President(617) 816-8446
- License
- 11708 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(79/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
1370 Dorchester Ave
32
Dorchester, MA 02122-2921
Phone: (617) 816-8446
Street-level locationGet directions
Mailing address
1370 Dorchester Ave
Dorchester, MA 02122-2921
Registry dates
- Enumerated
- 2012-10-27
- Last updated
- 2012-10-27
Frequently asked questions
- What is Efficacy Inc.'s NPI number?
- Efficacy Inc.'s National Provider Identifier (NPI) is 1235483371, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Efficacy Inc.?
- Efficacy Inc. is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Efficacy Inc. located?
- Efficacy Inc.'s practice location on file with NPPES is 1370 Dorchester Ave, Dorchester, MA 02122-2921.
- What is Efficacy Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Efficacy Inc. is (617) 816-8446.
- Who is the authorized official for Efficacy Inc.?
- The authorized official listed on Efficacy Inc.'s NPPES record is Lillian Seibert, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Efficacy Inc.'s NPI active?
- Yes — Efficacy Inc.'s NPI (1235483371) is active in the NPPES registry as of the last update on 2012-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.