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DR. KERRY M O'MAHAR PHD
NPI 1356639173
Clinical Neuropsychologist in Menomonee Falls, WI

Active since July 13, 2011PECOS Enrolled
N84W16889 MENOMONEE AVE, MENOMONEE FALLS, WI 53051(262) 251-7500 Get Directions Write a Review

NPPES record last updated: November 22, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 22, 2021, May 17, 2021, Mar 10, 2021 (3 updates tracked since 2021).

About Dr. Kerry M O'mahar Phd NPPES

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

DR. KERRY M O'MAHAR PHD (NPI 1356639173) is an individual clinical neuropsychologist in Menomonee Falls, Wisconsin, licensed in Wisconsin (3814-057) and active in the NPI registry since July 2011. She is enrolled in Medicare PECOS and maintains a secondary practice location in Temple.

NPPES Registry Identity

NPI1356639173
Entity TypeIndividualFemale
Primary Taxonomy103G00000X
Provider Legal NameDR. KERRY M O'MAHARCredential: PHD
Location AddressN84W16889 MENOMONEE AVEMenomonee Falls, WI 53051-2810
Mailing Address3301 W Forest Home AveMilwaukee, WI 53215-2843 · (262) 251-7500
Phone(262) 251-7500
Sole ProprietorNo
Enumeration DateJuly 13, 2011
Last NPPES UpdateNovember 22, 20213 updates tracked since enumeration
NPPES CertifiedNovember 22, 2021
✔ NPI 1356639173 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinical NeuropsychologistBehavioral Health & Social Service Providers
Taxonomy Code103G00000X
License✔ Licensed in WI · 3814-057
Definition
A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.
N84W16889 MENOMONEE AVE, Menomonee Falls, WI 53051
Open in Google Maps ↗

Secondary Practice Location 1

Location 12401 S 31st StTemple, TX 76508-0001 · Phone (254) 724-5823

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Kerry M O'mahar Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Kerry O'mahar reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Aurora Medical Group, Inc.
13 mi
Obstetrics & Gynecology
8905 W LINCOLN AVE, SUITE 515
West Allis, WI 53227
  • Reassigned Medicare billing, Wisconsin enrollment
  • 4,609 clinicians in this Medicare group
NPI 1457592735 (414) 328-8650
The University Of Texas At Austin
1,035 mi
General Practice
1601 TRINITY ST
Austin, TX 78712
  • Reassigned Medicare billing, Texas enrollment
  • 294 clinicians in this Medicare group
NPI 1073032546 (833) 882-2737

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Administration of psychological or neuropsychological test by technician, each additional 30 minutes 96139
This service involves a technician administering additional psychological or neuropsychological testing. Each session lasts for an extra 30 minutes. These tests assess cognitive abilities, such as memory, attention, and problem-solving skills, to aid in diagnosing or monitoring mental health conditions.
116 services35 patients
Evaluation of neuropsychological test, first hour 96132
An evaluation of neuropsychological tests is a process to assess your brain's function. It involves tasks designed to measure cognitive abilities such as memory, attention, problem-solving, and language skills. The first hour involves initial testing and observation.
35 services35 patients
Administration of psychological or neuropsychological test by technician, first 30 minutes 96138
This procedure involves a trained technician administering a psychological or neuropsychological test. It's a process that assesses your mental function and behavior. The initial session will last 30 minutes. The aim is to understand your cognitive abilities better.
35 services35 patients
Evaluation of neuropsychological test, each additional hour 96133
This service involves further evaluation of your neuropsychological test results beyond the initial hour. It helps to understand your cognitive functioning better, focusing on areas like memory, attention, and problem-solving skills.
34 services24 patients
Exam of neurobehavioral status, first hour 96116
An exam of neurobehavioral status is a medical procedure that evaluates your brain's functions. This includes assessing your cognitive abilities, emotional responses, and behavioral patterns. The first hour of the exam is typically dedicated to this initial evaluation.
32 services32 patients

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.

ROXANNE PHELPS O.D.
Optometrist
N84W16889 MENOMONEE AVE
MENOMONEE FALLS, WI 53051
Waukesha County (262) 251-7500
GARY W. STEWART M.D.
Surgery
N84W16889 MENOMONEE AVE
MENOMONEE FALLS, WI 53051
Waukesha County (262) 251-7500
JANELL R SCHULTEIS M.D.
Family Medicine
N84W16889 MENOMONEE AVE
MENOMONEE FALLS, WI 53051
Waukesha County (262) 251-7500
ASHLEY POLOMIS MS, CCC-SLP
Speech-Language Pathologist
N84W16889 MENOMONEE AVE
MENOMONEE FALLS, WI 53051
Waukesha County (262) 251-7500
ELIZABETH PECHSTEIN PA-C
Physician Assistant
N84W16889 MENOMONEE AVE
MENOMONEE FALLS, WI 53051
Waukesha County (262) 251-7500
DAVID J. LUBER NP
Nurse Practitioner
N84W16889 MENOMONEE AVE
MENOMONEE FALLS, WI 53051
Waukesha County (262) 251-7500
THOMAS P. HEYRMAN M.D.
Ophthalmology
N84W16889 MENOMONEE AVE
MENOMONEE FALLS, WI 53051
Waukesha County (262) 251-7500
STEPHANIE J. ECKSTEIN P.T.
Physical Therapist
N84W16889 MENOMONEE AVE
MENOMONEE FALLS, WI 53051
Waukesha County (262) 251-7500

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 Kerry O'mahar's NPI number?

The NPI number for Kerry O'mahar is 1356639173. It was assigned to this individual provider in the NPPES registry on July 13, 2011.

Where is Kerry O'mahar located?

Kerry O'mahar practices at N84w16889 Menomonee Ave, Menomonee Falls, WI 53051. The listed phone number is (262) 251-7500.

What is Kerry O'mahar's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

Is Kerry O'mahar enrolled in Medicare?

Yes. Kerry O'mahar is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Kerry O'mahar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kerry O'mahar reassigns Medicare benefits to 2 organizations: Aurora Medical Group, Inc. (West Allis, WI) and The University Of Texas At Austin (Austin, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kerry O'mahar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kerry O'mahar accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Network Health and 2 other insurers list Kerry O'mahar as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Kerry O'mahar was last updated on November 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.