Doctor profile · Federal record

Dr. Lynn Fitzsimmons, PHD

Psychologist (CMS: Clinical Psychologist) · Thiensville, WI

  • NPI 1629397815
  • Accepts Medicare
  • 17 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
216 Green Bay RD Ste 108
Thiensville, WI 53092
(414) 861-2174
Mailing address
1482 W. Windpointe Court
Mequon, WI 530921188

Credentials & registration

NPPES · NUCC
NPI registered
May 2010 — 16 yrs on file
Profile last updated
August 14, 2018
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
103T00000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629397815. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
91
Distinct HCPCS
1
Medicare allowed
$12,869
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 91 11 $141

In context: peer comparison

Among 1 peers in this city , average services per provider: 91. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Lynn Fitzsimmons's medical specialty?
Dr. Lynn Fitzsimmons practices Psychologist in Thiensville, WI.
Where does Dr. Lynn Fitzsimmons practice?
Dr. Lynn Fitzsimmons practices at 216 Green Bay RD Ste 108, Thiensville, WI 53092. Office phone: 4148612174.
What is Dr. Lynn Fitzsimmons's NPI?
Dr. Lynn Fitzsimmons's National Provider Identifier (NPI) is 1629397815, issued by NPPES.
Does Dr. Lynn Fitzsimmons accept Medicare assignment?
Yes. Dr. Lynn Fitzsimmons accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lynn Fitzsimmons commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.