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Appointment Information

New Patient Registration:

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Appointment Request Form
Please call the New Patient Registration line to confirm that the provider you wish to see is accepting new patients. We strongly encourage you to call your insurance company directly to verify this provider is in-network for your specific insurance plan.

Existing Patients:

Direct Clinic Line - Infectious Disease:
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About Lucy Horton, MD, MPH

Lucy Horton, MD, is a board-certified infectious disease specialist who cares for patients with infections or diseases caused by viruses, bacteria, fungi and parasites, such as COVID-19, tuberculosis and malaria.

Dr. Horton is part of the COVID-19 Telemedicine Clinic, which offers video visits and telephone consults for patients with mild to moderate COVID-19. She also offers travel medicine and has expertise in tropical medicine.

She is site director for the Asylum Seekers Shelter Health Screening Assessment Program at UC San Diego School of Medicine and studies the impact of infectious diseases on refugees and migrants at the U.S.-Mexico border. She is also a staff physician at the Tuberculosis Clinic for the San Diego Health and Human Services Agency.

Dr. Horton completed fellowship training in infectious disease at UC San Diego School of Medicine. She completed residency training in internal medicine at the Icahn School of Medicine at Mount Sinai in New York. She earned her medical degree and master's degree in public health from Tufts University School of Medicine in Boston. She is board certified in internal medicine and infectious disease.

Outside of work, she enjoys running, triathlons and visiting art galleries.

UC San Diego Health Links
For more information, see Infectious Disease.

Insurance Information
UC San Diego Health accepts most major health insurance plans, but you should verify that your plan covers this provider and all services and locations. The information in the link below does not apply to affiliate providers, who are not employed by UC San Diego Health.
Health Insurance Plans Accepted

Medical Degree

  • Tufts University School of Medicine, Boston, MA

Residency

  • Mount Sinai School of Medicine, New York, NY

Fellowship

  • UC San Diego, School of Medicine, San Diego, CA

Master's Degree

  • Tufts University School of Medicine, Boston, MA

Gender

  • Female

Date Joined Staff

  • 2019-08-01

Board Certifications

  • American Board of Internal Medicine
  • Infectious Disease

Conditions and Treatments

  • General Infectious Diseases
  • Tropical Infectious Disease
  • Global Health
  • Travel Medicine
  • COVID-19
Insurance Information
UC San Diego Health accepts most major health insurance plans, but you should verify that your plan covers this provider and all services and locations. The information in the link below does not apply to affiliate providers, who are not employed by UC San Diego Health.
Health Insurance Plans Accepted