Marian O'Brien-Frigo, MSW
NPI 1518992650 · Clinical Social Worker · Milwaukee, WI
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marian O'Brien-Frigo, MSW is a Clinical Social Worker provider in Milwaukee, WI (NPI 1518992650).
Provider details
- NPI number
- 1518992650
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- 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
19 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
- 2006-07-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marian O'Brien-Frigo's NPI number?
- Marian O'Brien-Frigo's National Provider Identifier (NPI) is 1518992650, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marian O'Brien-Frigo's specialty?
- Marian O'Brien-Frigo is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marian O'Brien-Frigo located?
- Marian O'Brien-Frigo's practice location on file with NPPES is 5000 W National Ave, Milwaukee, WI 53295-0001.
- What is Marian O'Brien-Frigo's phone number?
- The practice phone number listed in the NPPES registry for Marian O'Brien-Frigo is (414) 384-2000.
- Does Marian O'Brien-Frigo accept Medicare?
- Marian O'Brien-Frigo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marian O'Brien-Frigo's NPI active?
- Yes — Marian O'Brien-Frigo's NPI (1518992650) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.