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SOUTH COUNTY HEMATOLOGY ONCOLOGY, INC.
NPI 1326124819
Internal Medicine - Hematology & Oncology in Chula Vista, CA

Active since October 27, 2006CLIA 05D1009444 · Certificate of Compliance
769 MEDICAL CENTER CT STE 202, CHULA VISTA, CA 91911(619) 482-8430(619) 482-8005 Get Directions Write a Review

NPPES record last updated: September 17, 2012. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About South County Hematology Oncology, Inc. NPPES

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

SOUTH COUNTY HEMATOLOGY ONCOLOGY, INC. (NPI 1326124819) is a healthcare organization registered as a hematology & oncology in Chula Vista, California and active in the NPI registry since October 2006. The organization holds a CLIA Certificate of Compliance certificate valid through December 22, 2027 and lists Marilyn Sandra Norton, Md./president, as its authorized official.

NPPES Registry Identity

NPI1326124819
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NameMARILYN S. NORTON M.D., INC.
Location Address769 MEDICAL CENTER CT STE 202Chula Vista, CA 91911-6660
Mailing Address769 Medical Center Ct Ste 202Chula Vista, CA 91911-6660 · (619) 482-8430 · Fax (619) 482-8005
Phone(619) 482-8430
Fax(619) 482-8005
Organization SubpartNo
Authorized OfficialMarilyn Sandra NortonMd./president · (619) 482-8430
Enumeration DateOctober 27, 2006
Last NPPES UpdateSeptember 17, 2012
✔ NPI 1326124819 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
769 MEDICAL CENTER CT STE 202, Chula Vista, CA 91911
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Other Names 1

Doing Business AsSouth County Hematology Oncology, Inc.

Other Identifiers 2

MedicaidGR0100450CA
Medicare ID-Type UnspecifiedW17949CA

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 MULTIPLE SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Avera Health Plans, Baylor Scott and White Health Plan and more.Insurance ›

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 of Compliance 05D1009444

South County Hematology Oncology · Chula Vista, CA
Active · expires Dec 22, 2027
CLIA Number05D1009444
Laboratory TypePhysician Office
Certificate Effective DateDecember 23, 2025
Certificate Expiration DateDecember 22, 2027
Laboratory DirectorMarilyn S. Norton
Laboratory Phone(619) 482-8430
Laboratory LocationSouth County Hematology Oncology769 Medical Center Ct Ste 202, Chula Vista, CA 91911
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NADIA KEDDO
Physician Assistant
769 MEDICAL CENTER CT STE 202
CHULA VISTA, CA 91911
San Diego County (619) 482-8430

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 Marilyn S. Norton M.D., Inc.'s NPI number?

The NPI number for Marilyn S. Norton M.D., Inc. is 1326124819. It was assigned to this organization in the NPPES registry on October 27, 2006. The provider is doing business as South County Hematology Oncology, Inc..

Where is Marilyn S. Norton M.D., Inc. located?

Marilyn S. Norton M.D., Inc. is located at 769 Medical Center Ct Ste 202, Chula Vista, CA 91911. The listed phone number is (619) 482-8430.

What is Marilyn S. Norton M.D., Inc.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Does Marilyn S. Norton M.D., Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 05D1009444) is associated with this NPI, valid through December 22, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Marilyn S. Norton M.D., Inc. accept?

Health plans from Anthem Blue Cross and Blue Shield, Avera Health Plans, Baylor Scott and White Health Plan, Blue Cross Blue Shield of North Dakota and Blue Cross Blue Shield of Wyoming and 16 other insurers list Marilyn S. Norton M.D., Inc. as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Marilyn S. Norton M.D., Inc. was last updated on September 17, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.