Directions to Dr. Picker’s Office
The San Marco Building
1399 Ygnacio Valley Rd., Suite 25
Walnut Creek, CA 94598
Tel.: (925) 945-8440
Fax: (925) 945-8448

contact Dr. Picker

From Highway 680 North and/or Highway 24 from the Caldecott Tunnel (heading towards Concord):
Take the Ygnacio Valley Rd. exit off Hwy. 24 and turn right onto Ygnacio Valley Rd.
Go about one mile up to Tampico. Turn right at Tampico and take the very first driveway to the right into
the parking lot of The San Marco Building which is right on the corner with Ygnacio Valley Rd.

We are in Suite 25, on the ground floor. Our office can be reached via either the east or west entrance to
the building.

From Highway 680 South (from Martinez and Concord heading towards Walnut Creek and Highway 24):
Take the North Main St. exit off Hwy. 680 (labeled exit 47). Curve around the off the ramp staying in the
right hand lane heading south towards Walnut Creek, not south towards Pleasant Hill. Go about one mile
and turn left onto Ygnacio Valley Rd. Then follow the same directions described above.

From Antioch-Brentwood/Highway 4:
Take Highway 4 West towards Concord. Take Railroad Ave. exit in Pittsburg. Go through town as the street
turns into Kirker Pass Rd. going over Kirker Pass, past the Concord Pavillon and into Clayton, where the road
turns into Ygnacio Valley Road. Continue going straight down Ygnacio Valley Road about 6 miles or so, then
turn left onto Tampico, and then an immediate right into the parking lot of The San Marco Building, as described

If you have not completed the registration paperwork ahead of time. It is available by downloading it from this
website or you can pick up a copy in the waiting room. Please arrive at least 10-15 minutes early to complete it
ahead of time.

Please make sure to push the ‘X’ button on the gray Radio Shack electronic signal box to the right of the inside
door to the waiting room. If nobody comes out to greet you within 5 minutes, please enter the hallway to the
secretary’s office and announce your presence.