Dr. Anna Haemel is a dermatologist who treats patients with all types of skin disease. Her expertise includes care for patients who have internal organ involvement and underlying systemic disease, such as rheumatologic conditions and inflammatory bowel disease. Haemel earned her medical degree at the Warren Alpert Medical School of Brown University. She completed a residency in internal medicine and dermatology at the University of Wisconsin. Haemel is a member of numerous professional organizations, including the American College of Physicians, Medical Dermatology Society and Dermatology Foundation. Dr. Haemel is highly rated in 26 conditions, according to our data. Her top areas of expertise are Localized Scleroderma, Discoid Lupus Erythematosus (DLE), Cutaneous Lupus Erythematosus (CLE), and Dermatomyositis.

Laura Pincus is a Dermatologist in San Francisco, California. Dr. Pincus is highly rated in 26 conditions, according to our data. Her top areas of expertise are Mycosis Fungoides, T-Cell Lymphoma, Cutaneous T-Cell Lymphoma (CTCL), and Basal Cell Skin Cancer. Dr. Pincus is currently accepting new patients.

Dr. Wilson Liao specializes in caring for patients with psoriasis and other skin disorders that may respond to phototherapy (exposure to ultraviolet light). Liao is interested in bringing cutting-edge research technologies into patient care in the clinic, a field called translational medicine. He is involved in a number of research studies on new therapies for psoriasis and skin cancer, and welcomes patient inquiries on study participation. Liao earned his medical degree at Harvard Medical School. He completed both his residency and fellowship in dermatology at UCSF. Dr. Liao is highly rated in 14 conditions, according to our data. His top areas of expertise are Psoriasis, Plaque Psoriasis, Atopic Dermatitis, Generalized Pustular Psoriasis (GPP), and Tissue Biopsy.

Haley Naik is a Dermatologist in San Francisco, California. Dr. Naik is highly rated in 11 conditions, according to our data. Her top areas of expertise are Hidradenitis Suppurativa, Bullous Pemphigoid, Pyoderma Gangrenosum, and Psoriasis. Dr. Naik is currently accepting new patients.

Dr. Siegrid Yu is a dermatologic surgeon who specializes in Mohs micrographic surgery (a precise technique for removing skin cancer while sparing healthy tissue) and surgical reconstruction for skin cancer. She also has expertise in laser surgery; rejuvenation of aging skin, including use of Botox injections and soft tissue fillers, and treatments for visible leg veins; and cosmetic treatment of Asian skin. In her research, Yu investigates Merkel cell carcinoma and other skin cancers as well as skin cancer in immunosuppressed patients. Her research honors include the Clinical Career Development Award in Dermatologic Surgery from the Dermatology Foundation. Yu earned her medical degree at the University of Washington. She completed a residency in internal medicine at Stanford Medicine, where she served as chief resident. She completed a residency in dermatology at UCSF, where she also was chief resident, and a fellowship in Mohs surgery and procedural dermatology at UCSF. Yu is a member of the American Society of Dermatologic Surgery (ASDS) and has received an ASDS Cutting Edge Research Grant. She also is a member of the American Academy of Dermatology, American College of Mohs Surgery and American Medical Association. She serves as director of UCSF’s fellowship program in procedural dermatology. Dr. Yu is highly rated in 7 conditions, according to our data. Her top areas of expertise are Merkel Cell Carcinoma, Basal Cell Skin Cancer, Squamous Cell Skin Carcinoma, and Head and Neck Squamous Cell Carcinoma (HNSCC).

Dr. Nina Botto is a dermatologist who specializes in treating contact dermatitis (a rash caused by touching an irritating substance) and occupational dermatitis (a rash from workplace exposure to an irritating substance). She also cares for patients with all types of skin disease, including skin cancer, inflammatory skin diseases and acne. Botto's research focuses on diagnosing and treating a variety of skin conditions, particularly contact dermatitis. Botto earned her medical degree from Chicago Medical School. She then completed a residency in dermatology at Tufts Medical Center. Believing that the relationship between patient and doctor is vital to healing, Botto is passionate about enhancing patients' health care experiences. She has organized and led efforts focused on service excellence within the dermatology department. In addition, she is a member of the UCSF Center for Enhancement of Communication in Healthcare, which focuses on improving communication skills among providers throughout UCSF, with the goal of better experiences for patients, their families and the entire health care team. Botto serves on the board of the American Contact Dermatitis Society. Dr. Botto is highly rated in 5 conditions, according to our data. Her top areas of expertise are Contact Dermatitis, Actinic Keratosis, Pyoderma Gangrenosum, and Intertrigo.

Mohammed Kashani is a Dermatologist in San Francisco, California. Dr. Kashani is highly rated in 3 conditions, according to our data. His top areas of expertise are Melanoma, Merkel Cell Carcinoma, Mycosis Fungoides, Anaplastic Large Cell Lymphoma, and Lymphadenectomy. Dr. Kashani is currently accepting new patients.

Dr. Allison Dobry is a dermatologist who cares for patients with complex skin conditions. Her interests include supportive dermato-oncology (treating skin conditions related to cancer or its treatments), drug eruptions (rashes resulting from medications) and digital health (the use of technology to improve medical care and patient wellness). Dobry earned her medical degree with honors from Harvard Medical School. While at Harvard, through a research fellowship awarded by the Howard Hughes Medical Institute, she spent a year studying the biology of melanocytes (cells that produce the skin pigment melanin). She completed a transitional year at Cambridge Health Alliance, followed by a residency in dermatology at the University of California, Irvine, where she served as chief resident. She completed a fellowship in complex medical dermatology at UCSF. In addition to her work at UCSF, Dobry teaches residents at the Veterans Health Administration in San Francisco. In her free time, she enjoys discovering new music, reading fiction, finding new things to knit and crochet, and traveling. Dr. Dobry is highly rated in 3 conditions, according to our data. Her top areas of expertise are Calciphylaxis, Calcinosis, Cellulitis, and Erythema Multiforme.

Howard Maibach is a Dermatologist in San Francisco, California. Dr. Maibach is highly rated in 9 conditions, according to our data. His top areas of expertise are Contact Dermatitis, Acne, Atopic Dermatitis, and Hives.

Katrina Abuabara is a Dermatologist in San Francisco, California. Dr. Abuabara is highly rated in 2 conditions, according to our data. Her top areas of expertise are Atopic Dermatitis, Psoriasis, Chickenpox, and Shingles.

Dr. Kanade Shinkai is a dermatologist with expertise in caring for hospitalized, systemically ill patients. She sees patients with all types of skin disease but specializes in complex conditions, particularly autoimmune and autoinflammatory skin disorders. In her research, Shinkai studies immunologic and inflammatory skin diseases. Dr. Shinkai is highly rated in 31 conditions, according to our data. Her top areas of expertise are Pyoderma Gangrenosum, Cellulitis, Bullous Pemphigoid, and Acute Febrile Neutrophilic Dermatosis.

Jeffrey North is a Dermatologist in San Francisco, California. Dr. North is highly rated in 28 conditions, according to our data. His top areas of expertise are Sebaceous Adenoma, Extramammary Paget Disease, Basal Cell Skin Cancer, Melanoma, and Tissue Biopsy.

Dr. Lindy P. Fox is a dermatologist who cares for patients in the hospital with complex skin conditions. Fox's research focuses on the impact of dermatologists have in the hospital setting. Her work has helped define this subspecialty within dermatology. She studies continuity of care for hospitalized patients with skin conditions, and she looks at how emerging patterns or new associations of skin diseases are recognized, documented and defined. Fox earned her medical degree at the University of Texas Southwestern Medical School. She completed her residency in dermatology at New York – Presbyterian/Columbia University Irving Medical Center. Fox is president of both the Medical Dermatology Society and Society for Dermatology Hospitalists, and is secretary-treasurer of the Pacific Dermatologic Association. She is a member of the American Academy of Dermatology and Dermatology Foundation. Dr. Fox is highly rated in 26 conditions, according to our data. Her top areas of expertise are Perniosis, DRESS Syndrome, Universal Acquired Melanosis, and Liver Spots.

Welcome to 450derm.com. We are a downtown San Francisco dermatology practice that focuses on the health and beauty of our patients? skin and the treatment of skin disease. Healthy, radiant skin is an achievable goal and we would like to help you realize it. Dr. Macgregor is highly rated in 25 conditions, according to our data. His top areas of expertise are Multiple Familial Trichoepithelioma, Trichoepithelioma, Sebaceous Adenoma, and Syringoma.

Certified as a fellow of the American Board of Dermatology since 1989, she has enthusiastically practiced dermatology for over twenty years. Her areas of interest lie within pediatric and adult medical dermatologic problems, wound care and skin cancer exams and prevention. Dr. Tuffanelli is highly rated in 20 conditions, according to our data. Her top areas of expertise are Atopic Dermatitis, Actinic Keratosis, Rosacea, and Telangiectasia.

Dr. Maria L. Wei is a dermatologist who specializes in melanoma and disorders of pigmentation, both acquired and inherited. She directs the UCSF Pigmented Lesions/Melanoma Surveillance Clinic, which cares for individuals with melanoma as well as patients at high risk for developing melanoma – a group that includes those with a family history of melanoma, those with genetic test results indicating a risk, and those with many moles or large congenital moles. Wei leads a research laboratory that studies melanoma, investigating the biology of melanin-producing cells and how melanomas become resistant to treatment. The laboratory also seeks to understand the gender disparity in melanoma outcomes (why men and women have different outcomes) and is investigating novel biomarkers for melanoma (measurable substances that indicate the disease). Dr. Wei is highly rated in 18 conditions, according to our data. Her top areas of expertise are Melanoma, Neurocutaneous Melanosis, Giant Congenital Melanocytic Nevus, and Familial Atypical Multiple Mole Melanoma Syndrome.

Dr. Timothy Berger is a dermatologist who specializes in rare, challenging and complex skin disorders. He cares for patients with autoimmune bullous disease, viral skin diseases, sexually transmitted diseases of the skin, skin diseases of the Tropics, photosensitivity disorders (overreaction to sunlight), infectious diseases of the skin, warts and pruritus (itching). Berger has been inducted into the UCSF Academy of Medical Educators, an honor bestowed on faculty members who have shown particular dedication to medical student teaching. In 1989, he was honored with the Henry J. Kaiser Award for Excellence in Teaching. In both 1991 and 2001, the UCSF residents in dermatology named him teacher of the year. Berger serves on the board of the American Academy of Dermatology. He has published more than 125 scientific articles, 12 book chapters and two books. Berger sees patients only by referral or in the UCSF Executive Health Practice. Dr. Berger is highly rated in 15 conditions, according to our data. His top areas of expertise are Bullous Pemphigoid, Dermatitis Herpetiformis, Prurigo Nodularis, and Lichen Simplex Chronicus.

Dr. Isaac Neuhaus is a dermatologic surgeon who specializes in Mohs micrographic surgery (a technique that maximizes preservation of normal tissue) and surgical reconstruction for skin cancer. He is an expert in laser surgery for treating a variety of vascular and pigmentary lesions, including extensive vascular malformations. He also performs cosmetic procedures, such as laser rejuvenation of photodamaged skin, Botox injections, soft tissue filler injections, chemical peels, sclerotherapy and liposuction. In his research, Neuhaus studies skin cancer surgery and laser treatment. Neuhaus earned a medical degree at the University of Florida. He completed a dermatology residency at UCSF, where he was chief resident, followed by a Mohs surgery and procedural dermatology fellowship, also at UCSF. Neuhaus is a member of the American Society for Dermatologic Surgery, which awarded him its Cutting Edge Research Grant. He is past president of the California Society of Dermatology & Dermatologic Surgery, and he is a member of the American Academy of Dermatology, American College of Mohs Surgery and American Medical Association. Dr. Neuhaus is highly rated in 13 conditions, according to our data. His top areas of expertise are Basal Cell Skin Cancer, Squamous Cell Skin Carcinoma, Melanoma, and Head and Neck Squamous Cell Carcinoma (HNSCC).

Kieron Leslie is a Dermatologist in San Francisco, California. Dr. Leslie is highly rated in 12 conditions, according to our data. His top areas of expertise are Kaposi Sarcoma, Psoriasis, Genital Warts, and Warts. Dr. Leslie is currently accepting new patients.

Dr. Jack S. Resneck Jr. is a dermatologist who cares for patients with a wide range of skin diseases. In research, areas of Resneck's studies include patient access to care, health care delivery and affordability, digital medicine and public health. His work has been published in prominent journals and attracted national media attention. Raised in Louisiana, Resneck received his bachelor's degree in public policy from Brown University. He earned his medical degree from UCSF, where he also completed a residency in dermatology and a fellowship in health policy. Resneck serves on the editorial board of the Journal of the American Academy of Dermatology. He chaired the World Medical Association's global 30-month process to revise and modernize the Declaration of Helsinki, the seminal document defining the ethical principles and protections governing medical research with human participants. He chaired the board of trustees of the American Medical Association (AMA) from 2018 to 2019 and served as AMA president from 2022 to 2023. He also has served on the board of the National Quality Forum and as president of the California Society of Dermatology and Dermatologic Surgery. Resneck is a passionate advocate for both doctors and patients. He frequently speaks as a champion of well-tested health care innovation and a more equitable health care system. Whether testifying before Congress about addressing health care dysfunction and burdens, advocating for easier patient access or leading the dermatology department, he seeks to build stronger, healthier communities by improving the lives of patients and the working environment for doctors in the United States. Resneck is also committed to educating future doctors. He chairs the UCSF Department of Dermatology and is the UCSF Bruce U. Wintroub Endowed Professor of Dermatology. He serves as affiliated faculty at the UCSF Philip R. Lee Institute for Health Policy Studies. Dr. Resneck is highly rated in 10 conditions, according to our data. His top areas of expertise are Nummular Eczema, Actinic Keratosis, Neurocutaneous Melanosis, and Giant Congenital Nevus.

Dr. John Koo is a dermatologist and director of the UCSF Psoriasis and Skin Treatment Center. Koo's research interests include psoriasis therapies, phototherapy, eczema, psychodermatology (the connection between mental stress and skin health) and quality of life issues. Koo earned his medical degree from Harvard University. He completed a residency in psychiatry at the University of California, Los Angeles, followed by a residency in dermatology at UCSF. Koo serves on the editorial board for the Journal of the American Academy of Dermatology. Dr. Koo is highly rated in 8 conditions, according to our data. His top areas of expertise are Plaque Psoriasis, Psoriasis, Atopic Dermatitis, and Prurigo Nodularis.

Dr. Raymond Cho is a dermatologist and geneticist who is interested in a wide range of skin conditions, with a special focus on chronic rashes. He is passionate about understanding his patients' goals and working with them to tailor their treatment plans appropriately. In his research, Cho utilizes emerging technologies to examine the molecular patterns shared by unusual rashes, with the goal of finding promising therapies for individual patients. His laboratory at UCSF has been recognized for discovering previously unknown genetic causes for squamous cell and basal cell cancers. His research has received funding from the National Institutes of Health, Dermatology Foundation and American Skin Association. Cho earned his medical degree and his doctorate in genetics at Stanford University School of Medicine. He completed a residency in dermatology and a fellowship in molecular medicine at UCSF. He lectures at UCSF and at conferences in the U.S. and abroad. Dr. Cho is highly rated in 7 conditions, according to our data. His top areas of expertise are Actinic Keratosis, Neurocutaneous Melanosis, Giant Congenital Nevus, and Familial Atypical Multiple Mole Melanoma Syndrome.

Dr. Iwei Yeh is a dermatologist and a dermatopathologist, a specialist in diagnosing skin cancer and other skin disorders by analyzing samples under a microscope. With her colleagues in the Clinical Cancer Genomics Laboratory, she studies mutations in cancer to propose novel therapies for patients with advanced disease. Yeh's research focuses on understanding the genetics of melanoma to improve treatment for advanced melanoma by studying the genetic changes that occur in melanocytic tumors – which start as benign moles or birthmarks and develop into melanoma – with the goal of providing more accurate diagnoses and additional treatment options. After earning a bachelor's degree in biochemical sciences at Harvard College, Yeh earned her medical degree and a doctorate in biomedical informatics at Stanford University School of Medicine. She completed a residency in dermatology at the University of Washington and a fellowship in dermatopathology at UCSF. Dr. Yeh is highly rated in 4 conditions, according to our data. Her top areas of expertise are Melanoma, Tieche-Jadassohn Nevus, Giant Congenital Melanocytic Nevus, and Familial Atypical Multiple Mole Melanoma Syndrome.

Tracy Evans is a Dermatologist in San Francisco, California. Dr. Evans is highly rated in 41 conditions, according to our data. Her top areas of expertise are Giant Congenital Nevus, Giant Congenital Melanocytic Nevus, Familial Atypical Multiple Mole Melanoma Syndrome, and Neurocutaneous Melanosis.

Beth Siverman is a Dermatologist in San Francisco, California. Dr. Siverman is highly rated in 19 conditions, according to our data. Her top areas of expertise are Multiple Familial Trichoepithelioma, Trichoepithelioma, Melanoma, and Basal Cell Skin Cancer.