Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

San Marcos Medical Group

Organization Occupational Medicine Clinic/Center · NPI 1689717613

San Marcos Medical Group is an Occupational Medicine Clinic/Center in Fontana, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007

Practice location Address checks out

10444 Liveoak Ave
Fontana, CA 92337-7219
Phone: (909) 770-8293
Fax: (909) 770-8298
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Occupational Medicine Clinic/Center (primary) Taxonomy 261QX0100X · Licence A040591 (CA)

Record details

NPI number1689717613
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Azer Rezk — Administrator · (909) 376-7715
Other names Metropolitan Industrial Medical Clinic
NPI enumeratedFebruary 15, 2007
Last updated in NPPESJune 1, 2026
Certification dateJune 1, 2026
Mailing address10444 Liveoak Ave., Fontana, CA 92337-7219