San Diego

TB Program Website:
www.sandiegotbcontrol.org

Medical Director/TB Controller
Jeffrey Percak, MD
TB Prevention and Care Branch
County of San Diego Health and Human Services Agency
5055 Ruffin Road
San Diego, CA 92123
Phone: 619-850-1421
Email: JeffreyM.Percak@sdcounty.ca.gov

Public Health Nurse Manager
Krystal Liang, PHN
TB Control and Refugee Health Branch
County of San Diego Health and Human Services Agency
5055 Ruffin Road
San Diego, CA 92123
Phone: 619-692-5716
Email: Krystal.Liang@sdcounty.ca.gov

Public Health Nurse Manager 
Rosemarie Ang, PHN
TB Prevention and Care Branch
County of San Diego Health and Human Services Agency
5055 Ruffin Road
San Diego, CA 92123
Phone: 619-850-1428
Email: Rosemarie.Ang@sdcounty.ca.gov

Interjurisdictional Referral Contacts/Correctional Liaisons  
TB Prevention and Care Branch
County of San Diego Health and Human Services Agency
Phone: 619-692-8610
Fax: 619-692-5516

Devery Mandagie, PHN Supervisor
Email: devery.mandagie@sdcounty.ca.gov

Ashley Maranan,  Sr. PHN
Email: Ashley.maranan@sdcounty.ca.gov

Govinder Sohal, NP
Email: govinder.sohal@sdcounty.ca.gov

Luisel Gaza, NP
Email: luisel.gaza@sdcounty.ca.gov

Surveillance and Epidemiology Section 
Lawrence Wang
TB Prevention and Care Branch
County of San Diego Health and Human Services Agency
5055 Ruffin Road
San Diego, CA 92123
Phone: 619-309-3262
Fax: 858-514-6532
Email: lawrence.wang@sdcounty.ca.gov
Alternate Email: tbepiteam.hhsa@sdcounty.ca.gov

Nate Webb
TB Prevention and Care Branch
County of San Diego Health and Human Services Agency
5055 Ruffin Road
San Diego, CA 92123
Phone: 619-764-1626
Fax: 858-514-6532
Email: nathan.webb1@sdcounty.ca.gov
Alternate Email: tbepiteam.hhsa@sdcounty.ca.gov

(Updated 7/2026)