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John Koo, M.D.

Director of the Psoriasis, Phototherapy and Skin Treatment Clinic

Dr. John Koo is the director of the Psoriasis, Phototherapy and Skin Treatment Clinic. His main interest is in psoriasis therapy, phototherapy, eczema psychodermatology and quality of life research. He is on the editorial board for the Journal of the American Academy of Dermatology.


Psoriasis and Skin Treatment Center
515 Spruce St.
San Francisco, CA 94118
Phone: (415) 476-4701
Fax: (415) 502-4126

Hours: Monday to Friday, 8 a.m. – 5 p.m.

Conditions & Treatments

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Harvard University School of Medicine 1981


UCLA Medical Center, Psychiatry 1985
UCSF Medical Center, Dermatology 1988

Selected Research and Publications

  1. McAndrew R, Levin E, Koo J. Emerging Oral Immunomodulators for the Treatment of Psoriasis: A Review of Phase III Clinical Trials for Apremilast and Tofacitinib. J Drugs Dermatol. 2015 Aug 1; 14(8):786-92.
  2. Danesh MJ, Beroukhim K, Nguyen C, Levin E, Koo J. Apremilast and adalimumab: a novel combination therapy for recalcitrant psoriasis. Dermatol Online J. 2015; 21(6).
  3. Danesh MJ, Butler DC, Beroukhim K, Nguyen C, Tartar D, Levin E, Koo J. A cross-sectional survey study to evaluate phototherapy training in dermatology residency. Photodermatol Photoimmunol Photomed. 2015 Sep; 31(5):269-70.
  4. Kamangar F, Millsop JW, Tsai D, Koo JY. What can U.S. dermatology learn from health care systems abroad? An observation of Taiwan's system of clinical efficiency as a possible model for increased patient access to care and affordability. Dermatol Online J. 2015; 21(5).
  5. Brown GE, Malakouti M, Sorenson E, Gupta R, Koo JY. Psychodermatology. Adv Psychosom Med. 2015; 34:123-34.
  6. Sorenson E, Holtzman R, Patel V, Logan AC, Koo J, Levin E. Narrowband UV-B Phototherapy for Steroid-Refractory Sclerotic Chronic Cutaneous Graft-vs-Host Disease. JAMA Dermatol. 2015 Mar 25.
  7. Sorenson E, Malakouti M, Brown G, Koo J. Enhancing patient satisfaction in dermatology. Am J Clin Dermatol. 2015 Feb; 16(1):1-4.
  8. Patel V, Koo JY. Delusions of parasitosis; suggested dialogue between dermatologist and patient. J Dermatolog Treat. 2015 Oct; 26(5):456-60.
  9. Sorenson E, Levin E, Koo J, Berger TG. Successful use of a modified Goeckerman regimen in the treatment of generalized prurigo nodularis. J Am Acad Dermatol. 2015 Jan; 72(1):e40-2.
  10. Malakouti M, Brown GE, Sorenson E, Leon A, Koo J, Levin EC. Successful use of the excimer laser for generalized psoriasis in an ustekinumab non-responder. Dermatol Online J. 2014; 21(3).
  11. Tran AN, Koo JY. Risk of systemic toxicity with topical lidocaine/prilocaine: a review. J Drugs Dermatol. 2014 Sep; 13(9):1118-22.
  12. Feldman SR, Malakouti M, Koo JY. Social impact of the burden of psoriasis: effects on patients and practice. Dermatol Online J. 2014 Aug; 20(8).
  13. Wang E, Koo J, Levy E. Intralesional corticosteroid injections for vitiligo: a new therapeutic option. J Am Acad Dermatol. 2014 Aug; 71(2):391-3.
  14. Tartar D, Bhutani T, Huynh M, Berger T, Koo J. Update on the immunological mechanism of action behind phototherapy. J Drugs Dermatol. 2014 May; 13(5):564-8.
  15. Bhatia BK, Millsop JW, Debbaneh M, Koo J, Linos E, Liao W. Diet and psoriasis, part II: celiac disease and role of a gluten-free diet. J Am Acad Dermatol. 2014 Aug; 71(2):350-8.
  16. Millsop JW, Bhatia BK, Debbaneh M, Koo J, Liao W. Diet and psoriasis, part III: role of nutritional supplements. J Am Acad Dermatol. 2014 Sep; 71(3):561-9.
  17. Debbaneh M, Millsop JW, Bhatia BK, Koo J, Liao W. Diet and psoriasis, part I: Impact of weight loss interventions. J Am Acad Dermatol. 2014 Jul; 71(1):133-40.
  18. Levin EC, Debbaneh M, Koo J, Liao W. Biologic therapy in erythrodermic and pustular psoriasis. J Drugs Dermatol. 2014 Mar; 13(3):342-54.
  19. Debbaneh MG, Levin E, Sanchez Rodriguez R, Leon A, Koo J, Rosenblum MD. Plaque-based sub-blistering dosimetry: Reaching PASI-75 after two treatments with 308-nm excimer laser in a generalized psoriasis patient. J Dermatolog Treat. 2015 Feb; 26(1):45-8.
  20. Malakouti M, Brown GE, Wang E, Koo J, Levin EC. The role of IL-17 in psoriasis. J Dermatolog Treat. 2015 Feb; 26(1):41-4.

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.