Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Linda M. Gerrits, MD

Sees patients in Westlake Village, CA · California

Summary

Dr. Linda M. Gerrits, MD is an internal medicine doctor at 1220 La Venta Dr, Suite 207, Westlake Village, CA 91361. Phone: (805) 494-7710. Accepts Medicare assignment. In 2024, Linda M. Gerrits had 99 Original Medicare patients and 520 services. NPI 1598875072. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1220 La Venta Dr, Suite 207, Westlake Village, CA 91361 · Directions
  • Phone: (805) 494‑7710
  • Medicare: Accepts Medicare assignment
  • Medical school: University Of Michigan Medical School · graduated 1976 (50 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Linda M. Gerrits, 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 Linda M. Gerrits accept Medicare assignment?
Yes. Medicare's clinician data says Linda M. Gerrits 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 Linda M. Gerrits see?
In 2024, CMS data shows 99 Original Medicare patients and 520 services for Linda M. Gerrits. This counts Original Medicare only and measures volume, not quality.
What is Linda M. Gerrits's NPI number?
1598875072. 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 Linda M. Gerrits, 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 patients99
Services billed to Medicare520
Different services or procedures26
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)255 services
  2. Insertion of needle into vein for collection of blood sample (36415)89 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)63 services
  4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)20 services
  5. Urinalysis, manual test (81002)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%
  • Diabetes72%
  • High blood pressure62%
  • Arthritis54%
  • Ischemic heart disease25%
  • Osteoporosis21%

Practice locations

Addresses where Linda M. Gerrits is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Westlake Village

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

All internal medicine doctors in Westlake Village →

Clinician information

CredentialMD
Medical schoolUniversity Of Michigan Medical School
Graduation year1976 (50 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1598875072
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