IndividualActive
Margaret O'Brien
NPI 1821309741 · Mental Health Counselor · Dorchester, MA
Margaret O'Brien is a Mental Health Counselor provider in Dorchester, MA (NPI 1821309741).
Provider details
- NPI number
- 1821309741
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(77/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
105 Victory Rd
Dorchester, MA 02122-3518
Phone: (617) 619-6910
Street-level locationGet directions
Mailing address
50 Brooksdale Rd
Brighton, MA 02135-1858
Registry dates
- Enumerated
- 2010-06-24
- Last updated
- 2010-06-24
Frequently asked questions
- What is Margaret O'Brien's NPI number?
- Margaret O'Brien's National Provider Identifier (NPI) is 1821309741, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret O'Brien's specialty?
- Margaret O'Brien is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Margaret O'Brien located?
- Margaret O'Brien's practice location on file with NPPES is 105 Victory Rd, Dorchester, MA 02122-3518.
- What is Margaret O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Margaret O'Brien is (617) 619-6910.
- Is Margaret O'Brien's NPI active?
- Yes — Margaret O'Brien's NPI (1821309741) is active in the NPPES registry as of the last update on 2010-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.