Loris Hwang, M.D., M.S.

Adolescent medicine specialist

Dr. Loris Hwang is an adolescent medicine specialist. She cares for adolescent patients at the UCSF Adolescent and Young Adult Clinic and in UCSF Benioff Children's Hospital. She is currently an assistant professor of pediatrics in the Division of Adolescent Medicine at UCSF.

Hwang received her medical degree from the Bowman Gray School of Medicine at Wake Forest University in Winston-Salem, North Carolina. She completed her internship and residency in pediatrics at the University of California Los Angeles Medical Center. She also completed both clinical and research fellowships in adolescent medicine at UCSF.

After residency, Hwang practiced general pediatrics in the greater Seattle area. She cared for pediatric and adolescent patients at the Tulalip Indian Health Clinic and at several clinic sites for Public Health Seattle and King County.

Hwang's clinical research focuses on the biology of cervical epithelial maturation in adolescent women, mucosal immunity and sexually transmitted infections (STIs). Her interest areas include the prevention and treatment of STIs in adolescents, particularly human papillomavirus and chlamydia trachomatis. Her research has received the Ortho McNeil Infectious Disease Scholar Award from the Western Society for Pediatric Research (2004-2005), the New Investigator Award from the Society for Adolescent Medicine (2008) and the Robert Durant Award for Statistical Rigor and Innovation in Adolescent Health Research from the Society for Adolescent Medicine (2011). She is a fellow of the American Academy of Pediatrics, as well as a member of the Society for Adolescent Medicine and of the Western Society for Pediatric Research.

This doctor is accepting new patients


Adolescent and Young Adult Clinic
400 Parnassus Ave., Second Floor
San Francisco, CA 94143
Phone: (415) 353-2002

Adolescent Eating Disorders Clinic
400 Parnassus Ave., Second Floor
San Francisco, CA 94143
Phone: (415) 353-2002

More about Loris Hwang


Bowman Gray School of Medicine 1994


UCLA Medical Center, Pediatrics 1997


UCSF Medical Center, Adolescent Medicine 2006

Selected Research and Publications

  1. Hwang LY, Ma Y, Moscicki AB. Biological and Behavioral Risks for Incident Chlamydia trachomatis Infection in a Prospective Cohort. Obstet Gynecol. 2014 Nov; 124(5):954-60.
  2. Hartman LB, Monasterio E, Hwang LY. Adolescent contraception: review and guidance for pediatric clinicians. Curr Probl Pediatr Adolesc Health Care. 2012 Oct; 42(9):221-63.
  3. Hwang LY, Ma Y, Shiboski SC, Farhat S, Jonte J, Moscicki AB. Active squamous metaplasia of the cervical epithelium is associated with subsequent acquisition of human papillomavirus 16 infection among healthy young women. J Infect Dis. 2012 Aug 15; 206(4):504-11.
  4. Hwang LY, Lieberman JA, Ma Y, Farhat S, Moscicki AB. Cervical ectopy and the acquisition of human papillomavirus in adolescents and young women. Obstet Gynecol. 2012 Jun; 119(6):1164-70.
  5. Hwang LY, Scott ME, Ma Y, Moscicki AB. Higher levels of cervicovaginal inflammatory and regulatory cytokines and chemokines in healthy young women with immature cervical epithelium. J Reprod Immunol. 2011 Jan; 88(1):66-71.
  6. Hwang LY, Ma Y, Benningfield SM, Clayton L, Hanson EN, Jay J, Jonte J, Godwin de Medina C, Moscicki AB. Factors that influence the rate of epithelial maturation in the cervix in healthy young women. J Adolesc Health. 2009 Feb; 44(2):103-10.
  7. Monasterio E, Hwang LY, Shafer MA. Adolescent sexual health. Curr Probl Pediatr Adolesc Health Care. 2007 Sep; 37(8):302-25.
  8. Hwang LY, Shafer MA, Pollack LM, Chang YJ, Boyer CB. Sexual behaviors after universal screening of sexually transmitted infections in healthy young women. Obstet Gynecol. 2007 Jan; 109(1):105-13.
  9. Hwang LY, Tebb KP, Shafer MA, Pantell RH. Examination of the treatment and follow-up care for adolescents who test positive for Chlamydia trachomatis infection. Arch Pediatr Adolesc Med. 2005 Dec; 159(12):1162-6.
  10. Hwang L, Shafer MA. Chlamydia trachomatis infection in adolescents. Adv Pediatr. 2004; 51:379-407.
  11. Champoux M, Hwang L, Lang O, Levine S. Feeding demand conditions and plasma cortisol in socially-housed squirrel monkey mother-infant dyads. Psychoneuroendocrinology. 2001 Jul; 26(5):461-77.

Publications are derived from MEDLINE/PubMed and provided by UCSF Profiles, a service of the Clinical & Translational Science Institute (CTSI) at UCSF. Researchers can make corrections and additions to their publications by logging on to UCSF Profiles.