Main Customer Service Number
888.LAB.HCCL 
(888) 522-4225 
(209) 467-6430

Billing Address 
P.O. Box 742330 
Los Angeles, CA 90074

Main Fax Number
209.461.5499

Customer Service is available 24 hours a day. 

All of the following extensions can be reached by calling the customer service number. Choose option 2 (Customer Service) and ask for the extension.

• Lab Director
• Medical Director
• Laboratory and Quality Services Rep
• LIS Contact
• Customer Service Supervisor
• Technical Support Supervisors

LAB DIRECTOR

Gina Van Gundy, CLS, MT(ASCP), MBA-HM
gina.vangundy@dignityhealth.org

MEDICAL DIRECTOR

Jeffrey McDavit, MD
jeffrey.mcdavit@commonspirit.org

EDUCATION AND QUALITY SERVICES REPRESENTATIVE

Denise Suen, CLS, MT(ASCP), MBA-HM
denise.suen@dignityhealth.org

LABORATORY INFORMATION SYSTEM CONTACT

Melissa Shim
melissa.shim@dignityhealth.org

CUSTOMER SERVICE

Juan Avila
juan.avila@dignityhealth.org

TECHNICAL SUPPORT

Xenia Bobis, CLS
Hematology/Coagulation Supervisor
xenia.bobis@dignityhealth.org 

Aries Cabuang, CLS
Transfusion Dept.
aries.cabuang@dignityhealth.org 

Jocelyn Galang, CLS
Microbiology Supervisor
jocelyn.galang@dignityhealth.org

Michael Jennings, CLS, M.T. (ASCP)
Chemistry Supervisor
michael.jennings@dignityhealth.org

Brittany Nordman, CLS, MT(ASCP), MBA-HM
Technical Supervisor
brittany.nordman@dignityhealth.org

Robert Pajaro, CGMBS, CLSp(MB)
Clinical Molecular Dept.
robert.pajaro@dignityhealth.org

Cynthia Quinonez
Support Services Supervisor
cynthia.quinonez@dignityhealth.org

Namer Turiano Jr, CLS
General Lab Evening Supervisor
namer.turianojr@dignityhealth.org