DR. LEAH OREILLY PSYD
NPI 1366823635
Psychologist in Milwaukee, WI

Active since June 12, 2015PECOS Enrolled
2675 N MAYFAIR RD STE 400, MILWAUKEE, WI 53226(414) 250-8227 Get Directions Write a Review

NPPES record last updated: February 6, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 6, 2023, Dec 26, 2020 (2 updates tracked since 2020).

About Dr. Leah Oreilly Psyd NPPES

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

DR. LEAH OREILLY PSYD (NPI 1366823635) is an individual psychologist in Milwaukee, Wisconsin, licensed in Wisconsin (3749-57) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1366823635
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. LEAH OREILLYCredential: PSYD
Location Address2675 N MAYFAIR RD STE 400Milwaukee, WI 53226-1305
Mailing Address2675 N Mayfair Rd Ste 400Milwaukee, WI 53226-1305 · (414) 250-8227
Sole ProprietorYes
Enumeration DateJune 12, 2015
Last NPPES UpdateFebruary 6, 20232 updates tracked since enumeration
NPPES CertifiedFebruary 6, 2023
NPI 1366823635 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in WI · 3749-57
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License 2044-226 (WI)
2675 N MAYFAIR RD STE 400, Milwaukee, WI 53226

Other Names 1

Former Name (1)Leah Zimmerman M.s., Lpc-it

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Leah Oreilly Psyd 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.

Other Providers at the Same Location NPPES 10

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

Clinic/Center (Adult Mental Health)
2675 N MAYFAIR RD STE 400
MILWAUKEE, WI 53226
Psychologist
2675 N MAYFAIR RD STE 400
MILWAUKEE, WI 53226
Psychiatry & Neurology (Psychiatry)
2675 N MAYFAIR RD STE 400
MILWAUKEE, WI 53226
Psychologist (Clinical)
2675 N MAYFAIR RD STE 400
MILWAUKEE, WI 53226
Social Worker
2675 N MAYFAIR RD STE 400
MILWAUKEE, WI 53226
Psychologist (Clinical)
2675 N MAYFAIR RD STE 400
MILWAUKEE, WI 53226
Psychologist
2675 N MAYFAIR RD STE 400
MILWAUKEE, WI 53226
Student in an Organized Health Care Education/Training Program
2675 N MAYFAIR RD STE 400
MILWAUKEE, WI 53226

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 Leah Oreilly's NPI number?

The NPI number for Leah Oreilly is 1366823635. It was assigned to this individual provider in the NPPES registry on June 12, 2015. The provider is also known as Leah Zimmerman M.S., Lpc-It.

Where is Leah Oreilly located?

Leah Oreilly practices at 2675 N Mayfair Rd Ste 400, Milwaukee, WI 53226. The listed phone number is (414) 250-8227.

What is Leah Oreilly's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Leah Oreilly enrolled in Medicare?

Yes. Leah Oreilly is registered in the Medicare PECOS enrollment system.

What insurance does Leah Oreilly accept?

Health plans from Anthem Blue Cross and Blue Shield, Medica, Network Health and Quartz list Leah Oreilly 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 Leah Oreilly was last updated on February 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.