Occupational Health Services (OHS) Driving Under the Influence Program Alcohol Treatment Center Occupational Health Services (OHS) Driving Under the Influence Program ADDRESS 1050 Los Vallecitos Boulevard Suite 109 San Marcos CA California 92069San Diego Aerial Map Loading... No Records Found Sorry, no records were found. Please adjust your search criteria and try again. Maps failed to load Sorry, unable to load the Maps API. PHONE(760) 752-5300 ONLINEWebsite SERVICE TYPES TREATMENT APPROACHES PAYMENT TYPES back to other treatment facilities Get Help For Alcohol Now