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

Sierra San Antonio Medical Corporation

Organization Family Medicine Physician · NPI 1790711562

Sierra San Antonio Medical Corporation is a Family Medicine Physician in Fontana, California. Registered with an NPI since 2006.

In the registry since
2006

Practice location Address checks out

16465 Sierra Lakes Pkwy Ste 100
Fontana, CA 92336
Phone: (909) 434-1150
Fax: (909) 434-1166
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X

Record details

NPI number1790711562
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Olivia Bajor — Vice President · (909) 434-1150
Other names Sierra San Antonio Urgent Care
NPI enumeratedJune 24, 2006
Last updated in NPPESMay 21, 2008
Mailing address16465 Sierra Lakes Parkway, Suite 100, Fontana, CA 92336

Other providers in Fontana