IndividualActive
Margaret Drennan
NPI 1134618556 · Behavior Analyst · Wellesley, MA
Margaret Drennan is a Behavior Analyst provider in Wellesley, MA (NPI 1134618556).
Provider details
- NPI number
- 1134618556
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(62/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES 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
110 Cedar St Ste 10
Wellesley, MA 02481-3527
Phone: (617) 467-4878
Approximate (ZIP-level) locationGet directions
Mailing address
110 Cedar St Ste 10
Wellesley, MA 02481-3527
Registry dates
- Enumerated
- 2018-05-02
- Last updated
- 2018-05-02
Frequently asked questions
- What is Margaret Drennan's NPI number?
- Margaret Drennan's National Provider Identifier (NPI) is 1134618556, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Drennan's specialty?
- Margaret Drennan is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Margaret Drennan located?
- Margaret Drennan's practice location on file with NPPES is 110 Cedar St Ste 10, Wellesley, MA 02481-3527.
- What is Margaret Drennan's phone number?
- The practice phone number listed in the NPPES registry for Margaret Drennan is (617) 467-4878.
- Is Margaret Drennan's NPI active?
- Yes — Margaret Drennan's NPI (1134618556) is active in the NPPES registry as of the last update on 2018-05-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.