Ronald Berna II MD
Assistant Professor of Clinical Dermatology
Department: Dermatology
Contact information
3600 Spruce Street, 2 Maloney
Philadelphia, PA 19104
Philadelphia, PA 19104
Education
BS
Villanova University, 2018.
MD
University of Pennsylvania, 2022.
Permanent linkBS
Villanova University, 2018.
MD
University of Pennsylvania, 2022.
Selected Publications
Meng S, Berna R, Takeshita J, Hoffstad O, Shin D, Mitra N, Margolis DJ: Bidirectional Associations Between Seborrheic Dermatitis and Epithelial Barrier Diseases: A Retrospective Cohort Study. Allergy 81(3): 808-17, Mar 2026.Meng S, Berna R, Hoffstad O, Takeshita J, Shin D, Chiesa Fuxench ZC, Margolis DJ: Epithelial Barrier Diseases Among Adult Patients with Seborrheic Dermatitis. JAMA Derm 162(1): 15-23, Jan 2026.
Berna R, Baumrin E: Therapeutics for lymphogranuloma vereneum. In Kang S, Goh CL, Kim N, Kwatra S (Ed.), Therapeutics: a Clinician's Guide to Dermatologic Treatment (pp. TBD). New York: McGraw Hill, 2026.
Jain N, Berna R, Hejazi EZ, Pugliese SC, Djulbegovic M: A fruitful workup. N England Journal of Medicine 393(9): 907-914, Sep 2025.
Berna R, Hasbun T, Adams D, Moon AT, Treat JR: Significant improvement of a nevus spilus-type congenital melanocytic nevus with oral selumetinib. Pediatr Dermatol 41(5): 936-7, Sep 2024.
Berna E, Quinlan M, Baumrin E: Author's reply to Parvathaneni et al. comment on: “Methotrexate cutaneous ulceration: a systematic review of cases” Am J Clin Dermatol 24(3): 491-2, May 2023.
Margolis DJ, Duke JL, Mitra N, Berna RA, Hoffstad OJ, Wasserman JR, Dinou A, Ferriola DA, Mosbruger TL, Yan AC, Monos DS: A combination of HLA-DP α and β chain polymorphisms paired with a SNP in the DPB1 3’UTR region, denoting expression levels, are associated with Atopic Dermatitis. Front Genet 14: 1004138, Jan 2023.
Margolis DJ, Mitra N, Hoffstad OJ, Berna R, Kim BS, Chopra A, Phillips EJ: Association of KIR2DL5, KIR2DS5, and KIR2DS1 allelic variation and atopic dermatitis. Sci Rep 13(1): 1730, Jan 2023.
Berna R, Margolis DJ, Damsky W, Barbieri JS: Annual health care utilization and cost of granuloma annulare in the United States, 2016 to 2019: A cross-sectional study. J Am Acad Dermatol 88(1): 217-9, Jan 2023.
Berna R, Mitra N, Hoffstad O, Wubbenhorst B, Nathanson KL, Margolis DJ: Uncommon variants in FLG2 and TCHHL1 are associated with remission of atopic dermatitis in a large longitudinal US cohort. Arch Derm Res 314(10): 953-959, Dec 2022.