LYNN FITZSIMMONS LLC
NPI 1487940250
Psychologist in Thiensville, WI

Active since June 21, 2011
216 GREEN BAY RD STE 108, THIENSVILLE, WI 53092(414) 861-2174 Get Directions Write a Review

NPPES record last updated: December 27, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Lynn Fitzsimmons Llc NPPES

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

LYNN FITZSIMMONS LLC (NPI 1487940250) is a healthcare organization registered as a psychologist in Thiensville, Wisconsin and active in the NPI registry since June 2011. The organization maintains a secondary practice location in Thiensville and lists Lynn Fitzsimmons, Ph.d., as its authorized official.

NPPES Registry Identity

NPI1487940250
Entity TypeOrganization
Primary Taxonomy103T00000X
Legal Business NameLYNN FITZSIMMONS LLC
Location Address216 GREEN BAY RD STE 108Thiensville, WI 53092
Mailing Address1482 W. Windpointe CourtMequon, WI 53092-1188 · (414) 861-2174
Organization SubpartNo
Authorized OfficialLynn FitzsimmonsPh.d. · (414) 861-2174
Enumeration DateJune 21, 2011
Last NPPES UpdateDecember 27, 2018
✔ NPI 1487940250 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License✔ Licensed in WI · 2941057
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.
216 GREEN BAY RD STE 108, Thiensville, WI 53092

Secondary Practice Location 1

Location 1216 Green Bay Rd Ste 108Thiensville, WI 53092 · Phone (414) 861-2174

Other Identifiers 1

Medicaid1629397815WI

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lynn Fitzsimmons Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Lynn Fitzsimmons LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Clinical Psychologist
NPI 1629397815
216 GREEN BAY RD STE 108
Thiensville, WI 53092
(414) 861-2174
✔ PECOS✔ Accepts MedicareSame address

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

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 Lynn Fitzsimmons LLC's NPI number?

The NPI number for Lynn Fitzsimmons LLC is 1487940250. It was assigned to this organization in the NPPES registry on June 21, 2011.

Where is Lynn Fitzsimmons LLC located?

Lynn Fitzsimmons LLC is located at 216 Green Bay Rd Ste 108, Thiensville, WI 53092. The listed phone number is (414) 861-2174.

What is Lynn Fitzsimmons LLC's specialty?

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

Is Lynn Fitzsimmons LLC enrolled in Medicare?

Yes. Lynn Fitzsimmons LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Lynn Fitzsimmons LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Psychologist) reassigns their Medicare billing to Lynn Fitzsimmons LLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Lynn Fitzsimmons LLC was last updated on December 27, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.