MARIA MELISSA O'BRIEN M.S.
NPI 1124170667
Counselor - Professional in Waukesha, WI

Active since January 17, 2007
1501 AIRPORT RD, WAUKESHA, WI 53188(262) 549-6460 Get Directions Write a Review

NPPES record last updated: September 7, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Maria Melissa O'brien M.s. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARIA MELISSA O'BRIEN M.S. (NPI 1124170667) is an individual professional provider in Waukesha, Wisconsin and active in the NPI registry since January 2007.

NPPES Registry Identity

NPI1124170667
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameMARIA MELISSA O'BRIENCredential: M.S.
Location Address1501 AIRPORT RDWaukesha, WI 53188-2461
Mailing Address1501 Airport RdWaukesha, WI 53188-2461 · (262) 549-6460
Sole ProprietorNo
Enumeration DateJanuary 17, 2007
Last NPPES UpdateSeptember 7, 2023
NPI 1124170667 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
1501 AIRPORT RD, Waukesha, WI 53188

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Registered Nurse
1501 AIRPORT RD
WAUKESHA, WI 53188
Behavior Technician
1501 AIRPORT RD
WAUKESHA, WI 53188
Counselor (Addiction (Substance Use Disorder))
1501 AIRPORT RD
WAUKESHA, WI 53188
Registered Nurse
1501 AIRPORT RD
WAUKESHA, WI 53188
Registered Nurse
1501 AIRPORT RD
WAUKESHA, WI 53188
Case Manager/Care Coordinator
1501 AIRPORT RD
WAUKESHA, WI 53188
Counselor (Professional)
1501 AIRPORT RD
WAUKESHA, WI 53188
Registered Nurse
1501 AIRPORT RD
WAUKESHA, WI 53188

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Maria O'brien's NPI number?

The NPI number for Maria O'brien is 1124170667. It was assigned to this individual provider in the NPPES registry on January 17, 2007.

Where is Maria O'brien located?

Maria O'brien practices at 1501 Airport Rd, Waukesha, WI 53188. The listed phone number is (262) 549-6460.

What is Maria O'brien's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

When was this NPI record last updated?

The NPPES record for Maria O'brien was last updated on September 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.