Contact

ON-SITE Medical Testing Inc.
20 Elaine Drive
Santa Rosa, CA 95409
Email: service@osmti.com

Office staff hours:
Monday - Friday 9:00 AM to 5:00 PM Pacific Time
Closed for lunch 12:00 PM - 1:00 PM

Phone: (707) 547-2477
Toll free: (800) 655-7026

Fax: (707) 547-2470
Toll free fax: (888) 720-0158

Substance Abuse Testing hours:
7 days/ week - 24 hours per day for emergencies

Emergency Numeric Pager (for currently contracted emergency customers only): (800) 439-3926

Office Location:
20 Elaine Drive
Santa Rosa, CA 95409

Off of Sonoma Highway 12, 2 blocks East of Middle Rincon Road. Next to Rincon Professional Building.

Directions from Hwy 101 going North:
Take Highway 12 exit East ( stay right toward Sonoma). At next stop light (.2 miles), turn Left on Farmers Lane (Hwy 12). Stay on Farmers Lane (for 1.8 miles) past Montgomery Village, then turn right on Sonoma Highway (Hwy 12) East.Turn Right on Elaine Drive. Office is on the immediate left. Parking is in the rear.

Directions from Hwy 101 going South:
Take Highway 12 exit East ( stay left toward Sonoma). At next stop light (.2 miles), turn Left on Farmers Lane (Hwy 12). Stay on Farmers Lane (for 1.8 miles) past Montgomery Village, then turn right on Sonoma Highway (Hwy 12) East.Turn Right on Elaine Drive. Office is on the immediate left. Parking is in the rear.

Click here to view map

Click here to view directions to print
(Adobe Acrobat required)