# Dr. Mark L. Shiu, DO
**Category:** Family practice physician
**Address:** 7974 Haven Ave Suite 250, Rancho Cucamonga, CA, 91730
**Phone:** (800) 734-1733
**Rating:** 3.5 (37 reviews)
**Website:** http://www.medicormedicalgroup.com/

## What reviewers say

Dr. Mark L. Shiu, DO receives mixed reviews, with praise for medical expertise but frequent complaints about wait times, appointment scheduling, and administrative inefficiencies.


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