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ERROL KORN MEDICAL CORPORATION
NPI 1891971404
Internal Medicine - Gastroenterology in Chula Vista, CA

Active since January 14, 2008
750 MEDICAL CENTER CT STE 12, CHULA VISTA, CA 91911(619) 425-5544(619) 421-3838 Get Directions Write a Review

NPPES record last updated: December 1, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 1, 2025, Jan 12, 2023, Sep 2, 2016 (3 updates tracked since 2016).

About Errol Korn Medical Corporation NPPES

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

ERROL KORN MEDICAL CORPORATION (NPI 1891971404) is a healthcare organization registered as a gastroenterology in Chula Vista, California and active in the NPI registry since January 2008. The organization lists Laura Mata, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1891971404
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameERROL KORN MEDICAL CORPORATION
Location Address750 MEDICAL CENTER CT STE 12Chula Vista, CA 91911-6634
Mailing Address1044 Pacific Hill StChula Vista, CA 91911-6831 · (619) 425-5544 · Fax (619) 421-3838
Phone(619) 425-5544
Fax(619) 421-3838
Organization SubpartNo
Authorized OfficialLaura MataOffice Manager · (619) 425-5544
Enumeration DateJanuary 14, 2008
Last NPPES UpdateDecember 1, 20253 updates tracked since enumeration
NPPES CertifiedDecember 1, 2025
✔ NPI 1891971404 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CA · G154810
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
750 MEDICAL CENTER CT STE 12, Chula Vista, CA 91911
Open in Google Maps ↗

Other Identifiers 1

Medicaid00G154810CA

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Errol Korn Medical Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by December 31, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20120222000271Non-DME Part B · Clinic/Group PracticeDue dateDecember 31, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Errol Korn Medical Corporation, which bills Medicare for the services this clinician delivers.

Clinician (1)

Errol Korn, M.D.
Gastroenterology
NPI 1922041052
750 MEDICAL CENTER CT STE 12
Chula Vista, CA 91911
(619) 425-5544
✔ 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.

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 Errol Korn Medical Corporation's NPI number?

The NPI number for Errol Korn Medical Corporation is 1891971404. It was assigned to this organization in the NPPES registry on January 14, 2008.

Where is Errol Korn Medical Corporation located?

Errol Korn Medical Corporation is located at 750 Medical Center Ct Ste 12, Chula Vista, CA 91911. The listed phone number is (619) 425-5544.

What is Errol Korn Medical Corporation's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Errol Korn Medical Corporation enrolled in Medicare?

Yes. Errol Korn Medical Corporation is registered in the Medicare PECOS enrollment system.

When is Errol Korn Medical Corporation's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by December 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Errol Korn Medical Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Gastroenterology) reassigns their Medicare billing to Errol Korn Medical Corporation. 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.

When was this NPI record last updated?

The NPPES record for Errol Korn Medical Corporation was last updated on December 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.