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Clinical Social Worker

Rachel Pasternak, CSW

Sees patients in Irvine, CA · California

Summary

Rachel Pasternak, CSW is a clinical social worker at 15635 Alton Pkwy, Suite 350, Irvine, CA 92618. Phone: (949) 528-6300. Accepts Medicare assignment. In 2024, Rachel Pasternak had 28 Original Medicare patients and 447 services. NPI 1770012189. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Clinical social worker
  • Address: 15635 Alton Pkwy, Suite 350, Irvine, CA 92618 · Directions
  • Phone: (949) 528‑6300
  • Medicare: Accepts Medicare assignment
  • Group practice: Orange County Health Psychologists Inc
  • School: graduated 2015
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Rachel Pasternak, 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 Rachel Pasternak accept Medicare assignment?
Yes. Medicare's clinician data says Rachel Pasternak 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 Rachel Pasternak see?
In 2024, CMS data shows 28 Original Medicare patients and 447 services for Rachel Pasternak. This counts Original Medicare only and measures volume, not quality.
What is Rachel Pasternak's NPI number?
1770012189. 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 Rachel Pasternak, 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 patients28
Services billed to Medicare447
Different services or procedures4
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Psychotherapy, 1 hour (90837)405 services
  2. Psychiatric diagnostic evaluation (90791)17 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 cholesterol75%
  • Anxiety75%
  • High blood pressure71%
  • Depression71%
  • Arthritis61%

Practice locations

Addresses where Rachel Pasternak is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Rachel Pasternak as a member of this group (CMS data updated October 2, 2026).

  • Orange County Health Psychologists Inc63 clinicians in the group

Specialties

Find other clinicians: Clinical Social Worker, California →

Other clinical social workers in Irvine

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

All clinical social workers in Irvine →

Other clinicians in Orange County Health Psychologists Inc

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

Clinician information

CredentialCSW
Graduation year2015
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1770012189
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