Lauren O'Sullivan, MA
NPI 1396978318 · Mental Health Counselor · Brookline, MA
Lauren O'Sullivan, MA is a Mental Health Counselor provider in Brookline, MA (NPI 1396978318).
Provider details
- NPI number
- 1396978318
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- MA
- Sex
- Female
- Sole proprietor
- Yes
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
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
Mailing address
Registry dates
- Enumerated
- 2009-08-25
- Last updated
- 2009-08-25
Frequently asked questions
- What is Lauren O'Sullivan's NPI number?
- Lauren O'Sullivan's National Provider Identifier (NPI) is 1396978318, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lauren O'Sullivan's specialty?
- Lauren O'Sullivan is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Lauren O'Sullivan located?
- Lauren O'Sullivan's practice location on file with NPPES is 1581 Beacon St, Brookline, MA 02446-4602.
- What is Lauren O'Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Lauren O'Sullivan is (617) 566-2200.
- Is Lauren O'Sullivan's NPI active?
- Yes — Lauren O'Sullivan's NPI (1396978318) is active in the NPPES registry as of the last update on 2009-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.