Corporate Office:
26445 Rancho Parkway South
Lake Forest, CA 92630
Phone: (949) 716-1890
Fax: (949) 716-1896
Toll Free: (888) 300-4002
Arizona Office:
2220 S. Country Club Drive, Suite 105
Mesa, AZ 85210
Phone: (480) 813-3921
Fax: (480) 393-7787
For Sales questions contact:
Alberto Rivera, VP of Sales at (866) 828-9222 Ext. 1
Alberto.Rivera@definiti.net
Miguel Guerrero, President at (866) 828-9222 Ext. 2
Mike.Guerrero@definiti.net
For Medical Case Management questions contact:
Brigid Seifert, Manager, Care Management division at (480) 813-3921
Brigid.Seifert@definiti.net
For Operations or Bill Review questions contact:
Amaro Ngo, Chief Operating Officer at (949) 716-1891 ext. 102
Amaro.Ngo@definiti.net
For Catastrophic Care/DME questions contact:
Linda Stellino, Manager, Catastrophic Care division at (949) 716-1891 ext. 107
Linda.Stellino@definiti.net
Fax: (480) 393-7787
For Sales questions contact:
Alberto Rivera, VP of Sales at (866) 828-9222 Ext. 1
Alberto.Rivera@definiti.net
Miguel Guerrero, President at (866) 828-9222 Ext. 2
Mike.Guerrero@definiti.net
For Medical Case Management questions contact:
Brigid Seifert, Manager, Care Management division at (480) 813-3921
Brigid.Seifert@definiti.net
For Operations or Bill Review questions contact:
Amaro Ngo, Chief Operating Officer at (949) 716-1891 ext. 102
Amaro.Ngo@definiti.net
For Catastrophic Care/DME questions contact:
Linda Stellino, Manager, Catastrophic Care division at (949) 716-1891 ext. 107
Linda.Stellino@definiti.net
