Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Louis Brenner, MD

Individual provider Family Medicine Physician · NPI 1003852815

Louis Brenner, MD is registered under Family Practice in Upland, California. Qualified in 1967, 59 years ago. Practices with Providence St Joseph Medical Center, a 52-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
59
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1113 Alta Ave Ste 110
Upland, CA 91786-2800
Phone: (909) 949-8000
Fax: (909) 920-1111
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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 · Licence G36509 (CA)

Record details

NPI number1003852815
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 21, 2006
Last updated in NPPESJuly 13, 2026

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1967 (59 years in practice)
Group practice Providence St Joseph Medical Center — 52 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Colleagues at Providence St Joseph Medical Center

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 52 clinicians in the practice; 12 are shown here.

Other providers in Upland