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Physician Assistant

Elizabeth R. Perkins, PA

Sees patients in Thousand Oaks, CA · Huntington Park, CA · California

Summary

Elizabeth R. Perkins, PA is a physician assistant at 3095 Old Conejo Rd, Suite 200, Thousand Oaks, CA 91320. Phone: (888) 367-1850. Accepts Medicare assignment. In 2024, Elizabeth R. Perkins had 73 Original Medicare patients and 241 services. NPI 1699409383. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Physician assistant
  • Address: 3095 Old Conejo Rd, Suite 200, Thousand Oaks, CA 91320 · Directions (1 more location)
  • Phone: (888) 367‑1850
  • Medicare: Accepts Medicare assignment
  • Group practice: California Dermatology Institute PC
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Elizabeth R. Perkins, 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 Elizabeth R. Perkins accept Medicare assignment?
Yes. Medicare's clinician data says Elizabeth R. Perkins 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 Elizabeth R. Perkins see?
In 2024, CMS data shows 73 Original Medicare patients and 241 services for Elizabeth R. Perkins. This counts Original Medicare only and measures volume, not quality.
What is Elizabeth R. Perkins's NPI number?
1699409383. 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 Elizabeth R. Perkins, 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 patients73
Services billed to Medicare241
Different services or procedures20
Participating Medicare providerYes
Average age of these patients67

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)64 services
  2. Destruction of skin growth, 1-14 growths (17110)36 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)35 services
  4. Destruction of precancer skin growth, 1 growth (17000)21 services
  5. Biopsy of related skin growth, first growth (11102)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 blood pressure73%
  • High cholesterol71%
  • Diabetes48%
  • Arthritis45%
  • Anxiety32%
  • Chronic kidney disease27%

Practice locations

Addresses where Elizabeth R. Perkins is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Elizabeth R. Perkins as a member of this group (CMS data updated October 2, 2026).

  • California Dermatology Institute PC25 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, California →

Other physician assistants in Thousand Oaks

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

All physician assistants in Thousand Oaks →

Other clinicians in California Dermatology Institute PC

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

Clinician information

CredentialPA
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1699409383
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