Doctor profile · Federal record

Dr. Thomas Lehmann, PHD

Clinical Psychologist · Psychologist · Addiction (Substance Use Disorder) Counselor · Clinical Child & Adolescent Psychologist · Forensic Psychologist · Health Service Psychologist · Brookfield, WI

  • NPI 1558426999
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
13035 W Bluemound RD, Suite 100
Brookfield, WI 530058001
(262) 784-1121
fax (414) 425-5113

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
July 9, 2009
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
103TC0700X — NUCC code
State licenses (2)
Wisconsin #1480-057 · Wisconsin #1480-57
Medicaid
WI #39092900

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558426999. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
701
Distinct HCPCS
3
Medicare allowed
$77,034
HCPCS Description Services Patients Avg allowed
90834 Psychotherapy, 45 minutes 386 35 $90
90837 Psychotherapy, 1 hour 282 31 $130
90791 Psychiatric diagnostic evaluation 33 30 $161

In context: peer comparison

Among 3 peers in Brookfield Clinical Psychologist, average services per provider: 178. This provider delivers 3.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Lehmann's medical specialty?
Dr. Thomas Lehmann practices Clinical Psychologist in Brookfield, WI.
Where does Dr. Thomas Lehmann practice?
Dr. Thomas Lehmann practices at 13035 W Bluemound RD, Brookfield, WI 530058001. Office phone: 2627841121.
What is Dr. Thomas Lehmann's NPI?
Dr. Thomas Lehmann's National Provider Identifier (NPI) is 1558426999, issued by NPPES.
Does Dr. Thomas Lehmann accept Medicare assignment?
Yes. Dr. Thomas Lehmann accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Lehmann commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834); Psychotherapy (HCPCS 90837); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.