What is Maria O'Brien's NPI number?

Maria O'Brien's National Provider Identifier (NPI) is 1124170667, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Maria O'Brien's specialty?

Maria O'Brien is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).

Where is Maria O'Brien located?

Maria O'Brien's practice location on file with NPPES is 1501 Airport Rd, Waukesha, WI 53188-2461.

What is Maria O'Brien's phone number?

The practice phone number listed in the NPPES registry for Maria O'Brien is (262) 549-6460.

Is Maria O'Brien's NPI active?

Yes — Maria O'Brien's NPI (1124170667) is active in the NPPES registry as of the last update on 2023-09-07.

IndividualActive

Maria O'Brien, M.S.

NPI 1124170667 · Professional Counselor · Waukesha, WI

Maria O'Brien, M.S. is a Professional Counselor provider in Waukesha, WI (NPI 1124170667).

Provider details

NPI number: 1124170667
Entity type: Individual
Primary specialty: Professional CounselorBehavioral Health & Social Service Providers
Credential: M.S.
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Professional CounselorPrimary101YP2500X
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(83/100 index)

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

1501 Airport Rd

Waukesha, WI 53188-2461

Phone: (262) 549-6460

Street-level locationGet directions

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Mailing address