Doctor profile · Federal record

Dr. Louise Barnett, PSY.D.

Clinical Psychologist · Clinical Psychologist · Westlake Village, CA

  • NPI 1245423383
  • Accepts Medicare
  • 18 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2660 Townsgate RD Ste 610
Westlake Village, CA 913615709
(805) 427-5183

Credentials & registration

NPPES · NUCC
NPI registered
August 2007 — 19 yrs on file
Profile last updated
March 11, 2020
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
103TC0700X — NUCC code
State licenses (2)
California #PSY23242 · California #23242

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245423383. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
687
Distinct HCPCS
2
Medicare allowed
$105,516
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 665 32 $153
90791 Psychiatric diagnostic evaluation 22 11 $182

In context: peer comparison

Among 11 peers in this city , average services per provider: 896. This provider delivers 0.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Louise Barnett's medical specialty?
Dr. Louise Barnett practices Clinical Psychologist in Westlake Village, CA.
Where does Dr. Louise Barnett practice?
Dr. Louise Barnett practices at 2660 Townsgate RD Ste 610, Westlake Village, CA 913615709. Office phone: 8054275183.
What is Dr. Louise Barnett's NPI?
Dr. Louise Barnett's National Provider Identifier (NPI) is 1245423383, issued by NPPES.
Does Dr. Louise Barnett accept Medicare assignment?
Yes. Dr. Louise Barnett accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Louise Barnett commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.