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

Mr. Santiago Lopez Jr.

Individual provider Emergency Medicine Physician · NPI 1104489897

Mr. Santiago Lopez Jr. is an Emergency Medicine in Fontana, California. Qualified in 2019, 7 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
7
Licensed in
CA
In the registry since
2019
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Practice location Address checks out

9961 Sierra Ave
Fontana, CA 92335-6720
Phone: (833) 574-2273
Fax: (833) 574-2273
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 184318 (CA)

Record details

NPI number1104489897
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedApril 17, 2019
Last updated in NPPESOctober 27, 2023
Certification dateJune 22, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Southern California Permanente Medical Group — 11242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Fontana