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Dr. Mark C. O’Brien, DO

5.0

About this business

Location details

161 Thunder Dr #210, Vista, CA, 92083, United States

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WeekdayScheduleStatus
MonClosed
Tue09:00 a.m. to 5:00 p.m.
Wed09:00 a.m. to 5:00 p.m.
Thu09:00 a.m. to 5:00 p.m.
Fri09:00 a.m. to 5:00 p.m.
Sat09:00 a.m. to 5:00 p.m.
SunClosed
5.06 reviews
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Janile Dedios's profile image
Janile Dedios 
a month ago

I’m not even sure where to begin, because I truly have nothing but wonderful things to say about this clinic. I’ve always been afraid of going to the doctor, and my health journey hasn’t been easy. In the past, I often felt judged or unheard—but at Dr. Mark C. O’Brien’s office, I felt genuinely seen. From the moment I walked in, the amazing front desk staff—Eileen and I believe Sherry—greeted me with such warmth and kindness. It was my birthday, and the thoughtfulness and care they showed meant more to me than they probably ... read more

Julie Smith's profile image
Julie Smith 
a month ago

This Dr and his office staff are absolutely amazing! We have had such a bad experience with our previous doctor and his staff. This has been a huge blessing to find such an outstanding doctor and such a caring staff! 

Pat Sheridan's profile image
Pat Sheridan 
7 months ago

Love the staff. Always caring and accommodating whether in person or on the phone.. it’s great being able to get same day in person or zoom appointment if needed. The doctor is awesome. Hard to find one that listens and treats you like a person not a number. It’s nice to get results in timely manner via the mode of communication you chose. The notes sent after the visit… best ever. Can’t remember everything that’s talked about so again that extra care in the communication, the best…So glad I was able to get into this office.... read more

Suzanne Hill's profile image
Suzanne Hill 
8 months ago

Excellent doctor. The staff is so kind and understanding. I highly recommend this doctor and his staff. 

Kristen Lemel's profile image
Kristen Lemel 
9 months ago

Dr. O’Brien and his office got me a same day appointment as a new patient needing a referral for an MRI. They were kind, caring, and professional. I’m very thankful I found this office! 

Frequently asked questions about Dr. Mark C. O’Brien, DO

How is Dr. Mark C. O’Brien, DO rated?

Dr. Mark C. O’Brien, DO has a 5 star rating with 6 reviews. 

When is Dr. Mark C. O’Brien, DO open?

Dr. Mark C. O’Brien, DO is open now. It will close at 5:00 p.m. 

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