Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Warren Regh C. Gabrillo III, MD

Individual provider Family Medicine Physician · NPI 1982689295

Dr. Warren Regh C. Gabrillo III, MD is a Family Practice in Upland, California. Qualified in 1979, 47 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
47
Licensed in
CA
In the registry since
2005
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

631 N 13th Ave A
Upland, CA 91786-4946
Phone: (909) 982-2088
Fax: (909) 982-2058
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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 A51794 (CA)

Record details

NPI number1982689295
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 8, 2005
Last updated in NPPESDecember 10, 2012

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1979 (47 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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