LUIS MARIO MARQUEZ M D INC
NPI 1427110790
Family Medicine in San Diego, CA

Q: What is Luis Mario Marquez M D Inc's NPI number?

The NPI number for Luis Mario Marquez M D Inc is 1427110790. It was assigned to this organization in the NPPES registry on December 14, 2006.

Q: What is Luis Mario Marquez M D Inc's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Active since December 14, 2006CLIA 05D0966067 · Waiver

4060 FOURTH AVE STE 540, SAN DIEGO, CA 92103(619) 236-8796(619) 238-5702 Get Directions Write a Review

NPPES record last updated: October 14, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 9, 2024, Oct 11, 2023, May 12, 2023 (3 updates tracked since 2023).

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About Luis Mario Marquez M D Inc NPPES

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

LUIS MARIO MARQUEZ M D INC (NPI 1427110790) is a healthcare organization registered as a family medicine in San Diego, California and active in the NPI registry since December 2006. The organization holds a CLIA Waiver certificate valid through October 5, 2027 and lists Fiona Dempsey, Administrator, as its authorized official.

NPPES Registry Identity

NPI1427110790

Entity TypeOrganization

Primary Taxonomy207Q00000X

Legal Business NameLUIS MARIO MARQUEZ M D INC

Location Address4060 FOURTH AVE STE 540San Diego, CA 92103-2121

Mailing Address4060 Fourth Ave Ste 540San Diego, CA 92103-2121 · (619) 236-8796 · Fax (619) 238-5702

Phone(619) 236-8796

Fax(619) 238-5702

Organization SubpartNo

Authorized OfficialFiona DempseyAdministrator · (858) 270-7633

Enumeration DateDecember 14, 2006

Last NPPES UpdateOctober 14, 20243 updates tracked since enumeration

NPPES CertifiedOctober 3, 2024

✔ NPI 1427110790 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in CA · A45934

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

4060 FOURTH AVE STE 540, San Diego, CA 92103

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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)

Luis Mario Marquez M D Inc 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 Luis Mario Marquez M D Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Luis Marquez, M.D.

General Practice

NPI 1801865795

4060 FOURTH AVE STE 540
San Diego, CA 92103

(619) 236-8796

✔ 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 of Waiver 05D0966067

Luis M Marquez MD Inc · San Diego, CA

Active · expires Oct 5, 2027

CLIA Number05D0966067

Laboratory TypePhysician Office

Certificate Effective DateOctober 6, 2025

Certificate Expiration DateOctober 5, 2027

Laboratory DirectorLuis M. Marquez MD

Laboratory Phone(619) 236-8796

Laboratory LocationLuis M Marquez MD Inc4060 4th Ave Ste 540, San Diego, CA 92103

CLIA data matches this NPI record on: Phone

This certificate is issued to a laboratory to perform only 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 Luis Mario Marquez M D Inc's NPI number?

The NPI number for Luis Mario Marquez M D Inc is 1427110790. It was assigned to this organization in the NPPES registry on December 14, 2006.

Where is Luis Mario Marquez M D Inc located?

Luis Mario Marquez M D Inc is located at 4060 Fourth Ave Ste 540, San Diego, CA 92103. The listed phone number is (619) 236-8796.

What is Luis Mario Marquez M D Inc's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Luis Mario Marquez M D Inc enrolled in Medicare?

Yes. Luis Mario Marquez M D Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Luis Mario Marquez M D Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (General Practice) reassigns their Medicare billing to Luis Mario Marquez M D Inc. 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 Luis Mario Marquez M D Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0966067) is associated with this NPI, valid through October 5, 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 Luis Mario Marquez M D Inc was last updated on October 14, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.