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Clinical Psychologist

Alexis A. Tsacoumangos, CP

Sees patients in Westlake Village, CA · Bakersfield, CA · California

Summary

Alexis A. Tsacoumangos, CP is a clinical psychologist at 31194 La Baya Dr, Suite 100, Westlake Village, CA 91362. Phone: (805) 242-2429. Accepts Medicare assignment. In 2024, Alexis A. Tsacoumangos had 265 Original Medicare patients and 3,918 services. NPI 1639607047. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Clinical psychologist
  • Address: 31194 La Baya Dr, Suite 100, Westlake Village, CA 91362 · Directions (1 more location)
  • Phone: (805) 242‑2429
  • Medicare: Accepts Medicare assignment
  • Group practice: Pacific Coast Psychology Group Inc
  • School: graduated 2018
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Alexis A. Tsacoumangos, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Alexis A. Tsacoumangos accept Medicare assignment?
Yes. Medicare's clinician data says Alexis A. Tsacoumangos accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Alexis A. Tsacoumangos see?
In 2024, CMS data shows 265 Original Medicare patients and 3,918 services for Alexis A. Tsacoumangos. This counts Original Medicare only and measures volume, not quality.
What is Alexis A. Tsacoumangos's NPI number?
1639607047. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Alexis A. Tsacoumangos, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients265
Services billed to Medicare3,918
Different services or procedures8
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Psychotherapy, 30 minutes (90832)2,193 services
  2. Psychiatric services complicated by communication factor (90785)494 services
  3. Evaluation of psychological test, each additional hour (96131)420 services
  4. Care management services for behavioral health conditions, 20 minutes or more clinical staff time directed by health care professional (99484)380 services
  5. Evaluation of psychological test, first hour (96130)209 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Depression69%
  • Diabetes62%
  • Anxiety59%
  • Arthritis56%

Practice locations

Addresses where Alexis A. Tsacoumangos is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Alexis A. Tsacoumangos as a member of this group (CMS data updated October 2, 2026).

  • Pacific Coast Psychology Group Inc28 clinicians in the group

Specialties

Find other clinicians: Clinical Psychologist, California →

Other clinical psychologists in Westlake Village

Clinicians with the same Medicare primary specialty in Westlake Village, CA — not a recommendation.

All clinical psychologists in Westlake Village →

Other clinicians in Pacific Coast Psychology Group Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialCP
Graduation year2018
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1639607047
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians