Collin Tsai, DDS, MS

Overall grade: F

Performance grades

• After hours: A. What happens when you call outside office hours.
• Customer service: F. Courtesy and helpfulness of the front desk.

Grades come from our mystery-shopper call audits. How we grade

Review summary

After-hours A: branded name + hours or callback

Contact

• Phone: (909) 933-3531
• Website: www.epdentalgroup.com/?utm_source=gmb_auth
• Address: 1361 E 4th St, Ontario, CA 91764