Mary Clare O'Brien, MSP
NPI 1689075913 · Mental Health Counselor · Fall River, MA
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Clare O'Brien, MSP is a Mental Health Counselor provider in Fall River, MA (NPI 1689075913).
Provider details
- NPI number
- 1689075913
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- MSP
- Sex
- Female
- Sole proprietor
- No
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
11 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
Mailing address
Registry dates
- Enumerated
- 2014-09-05
- Last updated
- 2019-09-26
Frequently asked questions
- What is Mary Clare O'Brien's NPI number?
- Mary Clare O'Brien's National Provider Identifier (NPI) is 1689075913, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Clare O'Brien's specialty?
- Mary Clare O'Brien is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Mary Clare O'Brien located?
- Mary Clare O'Brien's practice location on file with NPPES is 2425 Highland Ave, Fall River, MA 02720-4508.
- What is Mary Clare O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Mary Clare O'Brien is (240) 645-5410.
- Does Mary Clare O'Brien accept Medicare?
- Mary Clare O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Clare O'Brien's NPI active?
- Yes — Mary Clare O'Brien's NPI (1689075913) is active in the NPPES registry as of the last update on 2019-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.