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Welcome to our offices

Doctors Diaz and Chien of Modesto California are both board certified physicians with separate practices and specialties. If you need need HIPPA access please follow this link for Dr Chien or Dr Diaz.


Medical Schools:

Washington University St Louis Graduated: 1984

Provider for Allcare IPA

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Medical Schools:

University Of Santo Tomas, Faculty Of....

Gervacio D. Diaz III, M.D.

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We are easy to find, look for our signage for the Modesto office