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

Dennis Trigueros, MD

Individual provider Emergency Medicine Physician · NPI 1518945229

Dennis Trigueros, MD is an Emergency Medicine in Upland, California. Graduated from University of California, Geffen School of Medicine in 2002, 24 years ago. Practices with Ojai Emergency Physicians Corporation, a 13-clinician group and accepts Medicare assignment. Licensed in Delaware.

Years since qualifying
24
Trained at
University of California, Geffen School of Medicine
Licensed in
DE
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

999 San Bernardino Rd
Upland, CA 91786-4920
Phone: (909) 985-2811
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence CI0007214 (DE)

Record details

NPI number1518945229
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 3, 2006
Last updated in NPPESSeptember 22, 2022
Certification dateSeptember 22, 2022

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice Ojai Emergency Physicians Corporation — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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