About O'Brien Urgent Care
O'Brien Urgent Care is at 20100 Lake Chabot Rd, Castro Valley, CA 94546. Its opening hours aren't listed, so call before you go.
It has a 3.4-star rating from only 8 Google reviews, too few to say much about the clinic.
There are 8 other clinics within 5 miles; the closest is Sutter Urgent Care - Castro Valley, 0.1 miles away.