Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 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 provides Family Medicine Physician services 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 Not confirmed with CMS for 14 years — call before visiting
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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