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Photomedicine Woman getting phototherapy treatment

Phototherapy and photopheresis are services provided by the Department of Dermatology. We provide services to patients whose dermatologists are faculty in the Johns Hopkins Department of Dermatology as well as patients who see physicians not affiliated with Johns Hopkins. We will work closely with your physician to coordinate your care and keep your physician updated about your treatment.

Phototherapy Services

  • PUVA phototherapy uses UVA rays in conjunction with an oral medication, psoralen, which sensitizes skin to emitted light.  Narrowband UVB phototherapy uses UVB light rays without the use of an oral medication. Some skin disorders that both PUVA and Narrowband UVB may be used to treat include:

    • Atopic dermatitis / Eczema
    • Psoriasis
    • Pruritus (itching)
    • Graft-versus-Host Disease (GVHD)
    • Vitiligo
  • Johns Hopkins is proud to be the first institution to offer stand-up UVA1 treatment on the East Coast.  Some diseases that UVA1 phototherapy may be used to treat include:

    • Atopic dermatitis
    • Morphea / Scleroderma
    • Scleredema
    • Nephrogenic Systemic Fibrosis (NSF)
    • Chronic Graft-versus-Host Disease (GVHD) with Scleroderma features
  • To schedule a consultation to discuss phototherapy treatment options, please call 410-955-5933.  Referrals may be faxed to (410) 955-5322.  

    To contact the phototherapy center if you are undergoing phototherapy treatment or have non-scheduling questions, please call 410-955-7875
    To contact the phototherapy center at the Bayview Medical Campus if you are undergoing phototherapy treatment or have non-scheduling questions, please call 410-550-9223.


Frequently Asked Questions

  • Once a Johns Hopkins dermatologist has prescribed a type and dose of light therapy or photopheresis treatment, our staff will work directly with patients' insurance companies to preauthorize coverage.  After insurance coverage is assured, we will schedule your appointments for treatment. 

  • To schedule a consultation to discuss phototherapy treatment options or photopheresis, please call 410-955-5933.  Referrals may be faxed to 410-955-5322.  

  • To refer a patient for photomedicine services at Johns Hopkins, please complete the appropriate Consultation Request Form and fax the completed form to 410-955-5322.  We will contact the patient to schedule a consultation. 

    Photomedicine Forms


Our Director

Ronald J Sweren, M.D.

Director, Phototherapy/Photopheresis Program, Department of Dermatology
Assistant Professor of Dermatology

Ronald J Sweren

Locations for Care

Photomedicine appointments are available in a number of Maryland locations. Photopherisis services are available at Johns Hopkins Outpatient Center. Phototherapy is available at Johns Hopkins Outpatient Center, Green Spring Station, and Howard County Medical Pavilion.
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