Dr. Jason R. Castillo

Dr. Natasha A. Mesinkovska is a board-certified UCI Health dermatologist who specializes in the diagnosis and treatment of skin disorders, including skin cancer. Her clinical interests include hair loss, dermatitis and integrative dermatology.She earned her medical degree at the Mayo Clinic in Rochester, Minn., after receiving a doctorate in cancer biology from Wayne State University in Detroit, Mich. She completed an internal medicine internship at the Cleveland Clinic in Ohio, where she also completed a residency in dermatology and a fellowship in dermatopathology.Her research interests include alopecia and dermatitis and she is the author or co-author of many articles in peer-reviewed publications. In addition, she is an investigator on several current clinical trials involving alopecia, atopic dermatitis, psoriasis and skin laxity. She also serves as vice chair for clinical research in the UCI School of Medicine's Department of Dermatology. Dr. Mesinkovska is highly rated in 16 conditions, according to our data. Her clinical expertise encompasses Autosomal Recessive Hypotrichosis, Alopecia Areata, Alopecia Universalis, and Vitiligo.

Dr. Sergei Grando is a board-certified UCI Health dermatologist with more than 30 years experience treating skin disorders including eczema and other autoimmune blistering diseases.He received his medical degree at Kyiv Medical University in Kyiv, Ukraine. He completed residencies in dermatology Kyiv Medical University and at the UC Davis School of Medicine in Sacramento, Calif. He also received a doctorate in pharmacology and biochemistry at the National Medical Academy of Postgraduate Education in Kyiv, and a doctorate of science in immunology and cell biology from the Central Institute of Dermatology and Venereology in Moscow, Russia.Grando's research interests include pemphigus, keratinocyte adhesion and migration, and the cholinergic effects of tobacco products in non-neuronal tissue. He has published more than 225 papers, monographs and book chapters, and has been awarded numerous research grants from the National Institutes of Health and other funding agencies. Dr. Grando is highly rated in 11 conditions, according to our data. His clinical expertise encompasses Pemphigus Vulgaris, Pemphigus, Pemphigus Foliaceus, and Bullous Pemphigoid. Dr. Grando is board certified in American Board Of Dermatology - Dermatology.

Christiane Querfeld is a Dermatologist practicing medicine in Duarte, California. Dr. Querfeld is highly rated in 20 conditions, according to our data. Her clinical expertise encompasses Mycosis Fungoides, Cutaneous T-Cell Lymphoma (CTCL), T-Cell Lymphoma, and Sezary Syndrome.