Mark Ou United Medical's cover image
Claim this profile

This profile has not been claimed by the business owner or representative.

Claim this business to update business information, get appointment requests, engage visitors with web chat, and more!

Mark Ou United Medical

2.9

About this business

Location details

4195 Chino Hills Pkwy H, Chino Hills, CA, 91709, United States

Get directions
WeekdayScheduleStatus
Mon9:00 a.m. to 6:00 p.m.
Tue9:00 a.m. to 6:00 p.m.
Wed9:00 a.m. to 5:00 p.m.
Thu9:00 a.m. to 5:30 p.m.
Fri9:00 a.m. to 5:30 p.m.
SatClosed
SunClosed
2.920 reviews
Select a rating
Peter Lim's profile image
Peter Lim 
4 months ago

Dr Rainbow Chung-Ou is awesome. Definitely helps that her office is very close to my house and that she's very helpful with consultation by phone as another option. I've had anywhere from skin problems to sinus infection to flu and she always knows how to get me back to feeling better again! 

Cheng Jennie's profile image
Cheng Jennie 
a year ago

Dr.Rainbow Chung Ou has very good service and was very patient, very friendly. Her front receptionist was NOT. Her name is Heather. I called nicely to make an appointment, but she gave me an attitude I was an unpaid balance from their chino office which I was shocked. Called chino office to ask about it, but they said no I don’t, everything has been cleared. Called this location back, she questioned me 3x if I paid or not. I told her nicely that chino office said everything is cleared, I actually don’t owe them anything ther... read more

MARK Ma's profile image
MARK Ma 
a year ago

Fire the Asian front desk receptionist,don’t let her ruin your business. The doctors there are fine. Especially doctors Rainbow, she is such a nice person. I don’t understand why she kept this Asian lady front desk for so long even with so many complaints about her on the internet already. 

Hanqing Ma's profile image
Hanqing Ma 
2 years ago

Fire the Asian front desk receptionist,don’t let her ruin your business. The doctors there are fine. Especially doctors Rainbow, she is such a nice person. I don’t understand why she kept this Asian lady front desk for so long even with so many complaints about her on the internet already. 

K M's profile image
K M 
2 years ago

Bad front desk. 

Frequently asked questions about Mark Ou United Medical

How is Mark Ou United Medical rated?

Mark Ou United Medical has a 2.9 star rating with 20 reviews. 

When is Mark Ou United Medical open?

Mark Ou United Medical is closed now. It will open at 9:00 a.m. 

Need help? Contact us.

Speak with a specialist to learn how you can grow with Birdeye. We are reachable at profiles@birdeye.com