LINDA GERRITS M D INC A PROFESSIONAL CORP
NPI 1124353057
Internal Medicine - Nephrology in Westlake Village, CA

Q: What is Linda Gerrits M D Inc A Professional Corp's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Active since October 09, 2009CLIA 05D1105451 · Microscopy

1220 LA VENTA DR, SUITE 207, WESTLAKE VILLAGE, CA 91361(805) 494-7710(805) 494-7793 Get Directions Write a Review

NPPES record last updated: March 10, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Linda Gerrits M D Inc A Professional Corp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LINDA GERRITS M D INC A PROFESSIONAL CORP (NPI 1124353057) is a healthcare organization registered as a nephrology in Westlake Village, California and active in the NPI registry since October 2009. The organization holds a CLIA Microscopy certificate valid through September 22, 2027 and lists Linda M Gerrits, Physician, as its authorized official.

NPPES Registry Identity

NPI1124353057

Entity TypeOrganization

Primary Taxonomy207RN0300X

Legal Business NameLINDA GERRITS M D INC A PROFESSIONAL CORP

Location Address1220 LA VENTA DR, SUITE 207Westlake Village, CA 91361-3703

Mailing Address1220 La Venta Dr, Suite 207Westlake Village, CA 91361-3703 · (805) 494-7710 · Fax (805) 494-7793

Phone(805) 494-7710

Fax(805) 494-7793

Organization SubpartNo

Authorized OfficialLinda M GerritsPhysician · (805) 494-7710

Enumeration DateOctober 9, 2009

Last NPPES UpdateMarch 10, 2015

✔ NPI 1124353057 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in CA · G55503

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

1220 LA VENTA DR, Westlake Village, CA 91361

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Other Identifiers 3

Medicare UPINA52963CA

Medicare PING55503CA

Medicaid00G555030CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Linda Gerrits M D Inc A Professional Corp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Linda Gerrits M D Inc A Professional Corp, which bills Medicare for the services this clinician delivers.

Clinician (1)

Linda Gerrits, MD

Internal Medicine

NPI 1598875072

1220 LA VENTA DR SUITE 207
Westlake Village, CA 91361

(805) 494-7710

✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 05D1105451

Linda Gerrits MD · Westlake Village, CA

Active · expires Sep 22, 2027

CLIA Number05D1105451

Laboratory TypePhysician Office

Certificate Effective DateSeptember 23, 2025

Certificate Expiration DateSeptember 22, 2027

Laboratory DirectorLinda Gerrits, MD

Laboratory Phone(805) 494-7710

Laboratory LocationLinda Gerrits MD1220 La Venta Dr #207, Westlake Village, CA 91361

CLIA data matches this NPI record on: Address Phone

This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Linda Gerrits M D Inc A Professional Corp's NPI number?

The NPI number for Linda Gerrits M D Inc A Professional Corp is 1124353057. It was assigned to this organization in the NPPES registry on October 9, 2009.

Where is Linda Gerrits M D Inc A Professional Corp located?

Linda Gerrits M D Inc A Professional Corp is located at 1220 La Venta Dr Suite 207, Westlake Village, CA 91361. The listed phone number is (805) 494-7710.

What is Linda Gerrits M D Inc A Professional Corp's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Linda Gerrits M D Inc A Professional Corp enrolled in Medicare?

Yes. Linda Gerrits M D Inc A Professional Corp is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Linda Gerrits M D Inc A Professional Corp?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Linda Gerrits M D Inc A Professional Corp. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Linda Gerrits M D Inc A Professional Corp hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 05D1105451) is associated with this NPI, valid through September 22, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Linda Gerrits M D Inc A Professional Corp was last updated on March 10, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.