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SAN MARCOS MEDICAL GROUP
NPI 1689717613
Clinic/Center - Occupational Medicine in Fontana, CA

Active since February 15, 2007
10444 LIVEOAK AVE., FONTANA, CA 92337(909) 770-8293(909) 770-8298 Get Directions Write a Review

NPPES record last updated: June 1, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 1, 2026, Aug 22, 2020 (2 updates tracked since 2020).

About San Marcos Medical Group NPPES

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

SAN MARCOS MEDICAL GROUP (NPI 1689717613), doing business as Metropolitan Industrial Medical Clinic, is a healthcare organization registered as an occupational medicine in Fontana, California and active in the NPI registry since February 2007. The organization lists Azer Rezk, Administrator, as its authorized official.

NPPES Registry Identity

NPI1689717613
Entity TypeOrganization
Primary Taxonomy261QX0100X
Legal Business NameSAN MARCOS MEDICAL GROUP
Location Address10444 LIVEOAK AVE.Fontana, CA 92337-7219
Mailing Address10444 Liveoak Ave.Fontana, CA 92337-7219 · (909) 770-8293 · Fax (909) 770-8298
Phone(909) 770-8293
Fax(909) 770-8298
Organization SubpartNo
Authorized OfficialAzer RezkAdministrator · (909) 376-7715
Enumeration DateFebruary 15, 2007
Last NPPES UpdateJune 1, 20262 updates tracked since enumeration
NPPES CertifiedJune 1, 2026
✔ NPI 1689717613 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Occupational MedicineAmbulatory Health Care Facilities
Taxonomy Code261QX0100X
License✔ Licensed in CA · A040591
10444 LIVEOAK AVE., Fontana, CA 92337
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Other Names 1

Doing Business AsMetropolitan Industrial Medical Clinic

Other Identifiers 1

OtherA045091CA · Medical Liscence

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 San Marcos Medical Group's NPI number?

The NPI number for San Marcos Medical Group is 1689717613. It was assigned to this organization in the NPPES registry on February 15, 2007. The provider is doing business as Metropolitan Industrial Medical Clinic.

Where is San Marcos Medical Group located?

San Marcos Medical Group is located at 10444 Liveoak Ave., Fontana, CA 92337. The listed phone number is (909) 770-8293.

What is San Marcos Medical Group's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Occupational Medicine, with taxonomy code 261QX0100X.

When was this NPI record last updated?

The NPPES record for San Marcos Medical Group was last updated on June 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.