Lynn O'Brien, MSW
NPI 1225127608 · Marriage & Family Therapist · Brookfield, WI
Lynn O'Brien, MSW is a Marriage & Family Therapist provider in Brookfield, WI (NPI 1225127608).
Provider details
- NPI number
- 1225127608
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Female
- Sole proprietor
- No
- License
- 163-123 (WI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
19 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
Mailing address
Registry dates
- Enumerated
- 2006-10-12
- Last updated
- 2025-09-11
Frequently asked questions
- What is Lynn O'Brien's NPI number?
- Lynn O'Brien's National Provider Identifier (NPI) is 1225127608, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lynn O'Brien's specialty?
- Lynn O'Brien is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Lynn O'Brien located?
- Lynn O'Brien's practice location on file with NPPES is 2515 N 124th St, Brookfield, WI 53005-4675.
- What is Lynn O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Lynn O'Brien is (262) 641-4347.
- Is Lynn O'Brien's NPI active?
- Yes — Lynn O'Brien's NPI (1225127608) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.