Doctor profile · Federal record

Dr. Ann Letourneau, PSYD

Clinical Psychologist · Carol Stream, IL

  • NPI 1346775830
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
507 Thornhill Dr
Carol Stream, IL 601882706
(630) 752-9750

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
103TC0700X — NUCC code
State license (1)
Illinois #071.009537

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346775830. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
327
Distinct HCPCS
3
Medicare allowed
$33,033
HCPCS Description Services Patients Avg allowed
90834 Psychotherapy, 45 minutes 280 23 $101
90832 Psychotherapy, 30 minutes 36 13 $76
90791 Psychiatric diagnostic evaluation 11 11 $178

In context: peer comparison

Among 2 peers in this city , average services per provider: 112. This provider delivers 2.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Ann Letourneau's medical specialty?
Dr. Ann Letourneau practices Clinical Psychologist in Carol Stream, IL.
Where does Dr. Ann Letourneau practice?
Dr. Ann Letourneau practices at 507 Thornhill Dr, Carol Stream, IL 601882706. Office phone: 6307529750.
What is Dr. Ann Letourneau's NPI?
Dr. Ann Letourneau's National Provider Identifier (NPI) is 1346775830, issued by NPPES.
Does Dr. Ann Letourneau accept Medicare assignment?
Yes. Dr. Ann Letourneau accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ann Letourneau commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834); Psychotherapy (HCPCS 90832); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.