National Clinician Consultation Center

Healthcare providers can contact the National Clinician Consultation Center to receive no-cost expert advice on HIV and blood borne pathogen management.

Consultations can be obtained online, or over the phone, in the following areas:

  • Hepatitis C Management
  • HIV/AIDS Management
  • Perinatal HIV/AIDS
  • Pre-Exposure Prophylaxis (PrEP)
  • Post-Exposure Prophylaxis (PEP)
  • Substance Use
Remote video URL

HIV Management Service (Warmline): 800-933-3413

Monday-Friday, 9 am - 8 pm ET. For questions about HIV/AIDS, including antiretroviral therapy, HIV clinical manifestations, and laboratory evaluation.

electronic Clinician Consultation Service (e-CCS Online Consultation)

For online submission of questions about HIV management and case-tracking. Register at

Post-Exposure Prophylaxis Hotline (PEPline): 888-HIV-4911 (888-448-4911)

Hours of operation for occupational PEP consultation are 11 a.m. – 8 p.m. ET (seven days a week). If you are trying to reach us regarding an occupational PEP question outside of these hours, please check out our PEP Quick Guide for Occupational Exposures.

Hours of operation for non-occupational PEP consultation are 9 a.m. – 8 p.m. ET Monday – Friday, and 11 a.m. – 8 p.m. ET on weekends & holidays.  

Perinatal HIV Consultation and Referral Services (Perinatal HIV Hotline): 888-HIV-8765 (888-448-8765)

For questions about the care of HIV-infected pregnant women as well as indications and interpretations of rapid and standard HIV tests. Available 24 hours/day, 7 days/week.

Pre-Exposure Prophylaxis Service (PrEPline): 855-HIV-PrEP (855-448-7737)

For questions about the appropriateness, administration, and laboratory and follow-up procedures of pre-exposure prophylaxis as a prevention tool.

Clinical Substance Use Consultation (Substance Use Warmline): 855-300-3595

The CCC offers free and confidential peer-to-peer telephone consultation focusing on substance use evaluation and management for primary care clinicians through the Substance Use Warmline at (855) 300-3595. Consultation is available Monday - Friday, 9 am - 8 pm ET, from addiction medicine-certified physicians, clinical pharmacists, and nurses with expertise in pharmacotherapy options for opioid use. Voicemail is available 24 hours a day.

Hepatitis C Management: 844-HEP-INFO (844-437-4636)

Monday-Friday; 9 am - 8 pm ET. Call us for clinician-to-clinician advice on hepatitis C monoinfection management, from testing and treatment initiation to management of advanced disease.

Contact Information

Project Contacts:

Carolyn Chu, MD, MSc
University of California, San Francisco
Brenda Goldhammer
Project Director
University of California, San Francisco

HRSA Contacts:

PO Name
Madia Ricks
PO Phone


Funding Mechanism: Cooperative Agreement

Recipient Organization: University of California, San Francisco

Grant number: U1OHA30039, including EHE supplemental funding

Project Period: 7/1/2016 - 6/30/2020