Shannon O'Brien, MSW, LCSW, CSAC,CTS
NPI 1366529182 · Clinical Social Worker · Milwaukee, WI
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shannon O'Brien, MSW, LCSW, CSAC,CTS is a Clinical Social Worker provider in Milwaukee, WI (NPI 1366529182).
Provider details
- NPI number
- 1366529182
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW, LCSW, CSAC,CTS
- Sex
- Female
- Sole proprietor
- No
- License
- 1971-132 (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
- 2006-11-01
- Last updated
- 2011-03-07
Frequently asked questions
- What is Shannon O'Brien's NPI number?
- Shannon O'Brien's National Provider Identifier (NPI) is 1366529182, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shannon O'Brien's specialty?
- Shannon O'Brien is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Shannon O'Brien located?
- Shannon O'Brien's practice location on file with NPPES is 2821 N. 4th Street, Milwaukee, WI 53212.
- What is Shannon O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Shannon O'Brien is (414) 264-4217.
- Does Shannon O'Brien accept Medicare?
- Shannon 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 Shannon O'Brien's NPI active?
- Yes — Shannon O'Brien's NPI (1366529182) is active in the NPPES registry as of the last update on 2011-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.