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

Viet D. Ta, MD & Tiffany L. Quan, MD Medical Associates Inc

Organization Family Medicine Physician · NPI 1497760987

Viet D. Ta, MD & Tiffany L. Quan, MD Medical Associates Inc is a Family Medicine Physician in Rancho Cucamonga, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

8235 Rochester Ave Ste 110
Rancho Cucamonga, CA 91730-0719
Phone: (909) 484-4900
Fax: (909) 243-7868
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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 A69957 (CA)
Pediatrics Physician Taxonomy 208000000X · Licence A77358 (CA)

Record details

NPI number1497760987
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Viet Ta — President · (909) 484-4900
Other names Foothill Primary Care
NPI enumeratedJuly 31, 2006
Last updated in NPPESMarch 9, 2012
Mailing address8235 Rochester Ave Ste 110, Rancho Cucamonga, CA 91730-0719

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