Doctor profile · Federal record

Dr. Karen Murphy-Acosta, PSY.D.

Clinical Psychologist · Westlake Village, CA

  • NPI 1851732937
  • Accepts Medicare
  • 25 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1014 S Westlake Blvd # 14-243
Westlake Village, CA 913613108
(805) 242-2429
fax (310) 870-7197

Credentials & registration

NPPES · NUCC
NPI registered
July 2013 — 13 yrs on file
Profile last updated
October 6, 2023
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
103TC0700X — NUCC code
State license (1)
California #PSY23008

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851732937. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,980
Distinct HCPCS
6
Medicare allowed
$354,871
HCPCS Description Services Patients Avg allowed
90785 Psychiatric services complicated by communication factor 2,937 308 $14
90832 Psychotherapy, 30 minutes 1,984 230 $71
99484 Care management services for behavioral health conditions, 20 minutes or more clinical staff time directed by health care professional 1,067 278 $36
90791 Psychiatric diagnostic evaluation 508 298 $163
90834 Psychotherapy, 45 minutes 368 96 $94
90837 Psychotherapy, 1 hour 116 45 $142

In context: peer comparison

Among 11 peers in this city , average services per provider: 896. This provider delivers 7.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Murphy-Acosta's medical specialty?
Dr. Karen Murphy-Acosta practices Clinical Psychologist in Westlake Village, CA.
Where does Dr. Karen Murphy-Acosta practice?
Dr. Karen Murphy-Acosta practices at 1014 S Westlake Blvd # 14-243, Westlake Village, CA 913613108. Office phone: 8052422429.
What is Dr. Karen Murphy-Acosta's NPI?
Dr. Karen Murphy-Acosta's National Provider Identifier (NPI) is 1851732937, issued by NPPES.
Does Dr. Karen Murphy-Acosta accept Medicare assignment?
Yes. Dr. Karen Murphy-Acosta accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Murphy-Acosta commonly perform?
Top Medicare-reported procedures in 2023: Psychiatric services complicated by communication factor (HCPCS 90785); Psychotherapy (HCPCS 90832); Care management services for behavioral health conditions (HCPCS 99484). Source: CMS Medicare Physician & Other Practitioners file.