
Overview
Dr. Ronald Sweren is an assistant professor of dermatology at the Johns Hopkins University School of Medicine. His areas of clinical expertise include cutaneous lymphoma/mycosis fungoides, phototherapy/ photopheresis and melanoma. Dr. Sweren also serves as director of the Phototherapy/Photopheresis Program in the Department of Dermatology. Dr. Sweren earned his M.D. from the University of Maryland School of Medicine. He completed his residency in dermatology at University of Maryland Medical Center and in pediatrics at Sinai Hospital of Baltimore.
Dr. Sweren is rated as an Elite provider by MediFind in the treatment of Mycosis Fungoides. His top areas of expertise are Mycosis Fungoides, Cutaneous T-Cell Lymphoma (CTCL), Melanoma, and T-Cell Lymphoma.
His clinical research consists of co-authoring 13 peer reviewed articles. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 5 articles in the study of Mycosis Fungoides.
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Locations
Pavilion I STE 350, Lutherville, MD 21093
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
Johns Hopkins Outpatient Center
Dr. Sima Rozati is an Assistant Professor of Dermatology at the Johns Hopkins University School of Medicine. She specializes in medical dermatology, cutaneous lymphoma, and supportive oncodermatology. She received her medical degree from the Shahid Beheshti University of Medical Sciences in Tehran. After completing her internal medicine residency at the Cleveland Clinic, she completed a research fellowship and PhD in cutaneous lymphoma at the University Hospital of Zürich in Switzerland. She returned to the U.S. where she completed cutaneous lymphoma fellowship, under the mentorship of Dr. Youn Kim, followed by dermatology residency at Stanford University School of Medicine in California. In a multidisciplinary environment, Dr. Rozati aims to provide excellent care to patients with cutaneous lymphoma and cancer whom are experiencing cutaneous adverse events from targeted therapies, immune- and chemotherapies. Dr. Rozati’s research interest focuses on cutaneous lymphoma, understanding the biology of this heterogeneous group of malignancies by analyzing the mutational and epigenetic landscape. Her translational research efforts is directed to investigate novel targeted and immunotherapeutic for cutaneous T cell lymphoma. She is a member of different professional organizations, including the American Academy of Dermatology and Woman’s dermatologic Society. Dr. Rozati is rated as a Distinguished provider by MediFind in the treatment of Mycosis Fungoides. Her top areas of expertise are Cutaneous T-Cell Lymphoma (CTCL), Mycosis Fungoides, T-Cell Lymphoma, and Sezary Syndrome.
Inova Schar Cancer-Chesapeake Clinic (Dept Of Fairfax Hospital)
Jennifer Desimone is a Dermatologist in Fairfax, Virginia. Dr. Desimone is rated as a Distinguished provider by MediFind in the treatment of Mycosis Fungoides. Her top areas of expertise are Cutaneous T-Cell Lymphoma (CTCL), Mycosis Fungoides, T-Cell Lymphoma, and Lymphomatoid Papulosis.
Johns Hopkins Outpatient Center
"Daniel J. Lewis, M.D. is a dual fellowship-trained Mohs and reconstructive surgeon and Assistant Professor of Dermatology at Johns Hopkins University School of Medicine. He leads the Mohs surgery unit at the Johns Hopkins Outpatient Center (JHOC), the hospital's flagship facility in downtown Baltimore. He is also heavily involved in education as the director of the JHOC resident surgery clinic and as core faculty for the Micrographic Surgery and Dermatologic Oncology fellowship. Dr. Lewis earned a B.A. in Biology from the University of Pennsylvania, earned his M.D. at Baylor College of Medicine while completing a research fellowship at The University of Texas MD Anderson Cancer Center, and completed his internship at Memorial Sloan Kettering Cancer Center. He then returned to Penn for dermatology residency, serving as chief resident at the country's No. 1-ranked dermatology program by Doximity. At Penn, he pursued further specialization with two year-long post-doctoral fellowships in cutaneous oncology and Mohs micrographic surgery. During his Mohs fellowship at Penn, Dr. Lewis worked at the largest academic Mohs surgery center in the country alongside leaders in the field and pioneers in the use of Mohs surgery with immunohistochemistry, complex reconstruction, high-risk tumors, and tumors on specialty sites. Dr. Lewis has authored over 90 peer-reviewed manuscripts in high-impact journals such as Journal of the American Academy of Dermatology, JAMA Dermatology, and Journal of Investigative Dermatology. He has also served on the Editorial Board of the International Journal of Dermatology and has authored multiple textbook chapters as well as two editions of the book Practical Ways to Improve Patient Adherence, named the winner of the 2022 ""Best Overall"" Dermie Award by Dermasphere. Dr. Lewis is an aspiring leader in cutaneous oncology and was named Post-Doctoral Trainee of the Year in 2022 by ADEN, winner of the 2022 ASDS Young Investigators Writing Competition, and a Rising Scholar by the Dermatology Foundation in 2023. He is a member of the Alpha Omega Alpha Honor Medical Society. He is passionate about Mohs micrographic surgery and has clinical interests in advanced facial reconstruction, Mohs surgery with immunohistochemistry, facial anatomy, Merkel cell carcinoma, melanoma, and patient adherence.". Dr. Lewis is rated as a Distinguished provider by MediFind in the treatment of Mycosis Fungoides. His top areas of expertise are Cutaneous T-Cell Lymphoma (CTCL), T-Cell Lymphoma, Mycosis Fungoides, and Sezary Syndrome.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Elite
- Mycosis FungoidesDr. Sweren isElite. Learn about Mycosis Fungoides.
- Distinguished
- Cutaneous T-Cell Lymphoma (CTCL)Dr. Sweren isDistinguished. Learn about Cutaneous T-Cell Lymphoma (CTCL).
- MelanomaDr. Sweren isDistinguished. Learn about Melanoma.
- T-Cell LymphomaDr. Sweren isDistinguished. Learn about T-Cell Lymphoma.
- Advanced
- Actinic KeratosisDr. Sweren isAdvanced. Learn about Actinic Keratosis.
- Anaplastic Large Cell LymphomaDr. Sweren isAdvanced. Learn about Anaplastic Large Cell Lymphoma.
- Familial Atypical Multiple Mole Melanoma Syndrome
- Giant Congenital Melanocytic Nevus
- Giant Congenital NevusDr. Sweren isAdvanced. Learn about Giant Congenital Nevus.
- Localized SclerodermaDr. Sweren isAdvanced. Learn about Localized Scleroderma.
- Experienced
- Acrogeria, Gottron TypeDr. Sweren isExperienced. Learn about Acrogeria, Gottron Type.
- Atopic DermatitisDr. Sweren isExperienced. Learn about Atopic Dermatitis.
- Basal Cell Skin CancerDr. Sweren isExperienced. Learn about Basal Cell Skin Cancer.
- Bazex SyndromeDr. Sweren isExperienced. Learn about Bazex Syndrome.
- Bullous PemphigoidDr. Sweren isExperienced. Learn about Bullous Pemphigoid.
- Cerebral Cavernous MalformationDr. Sweren isExperienced. Learn about Cerebral Cavernous Malformation.

