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About Us

Bernardo Dermatology Medical Group strives to provide you with a personalized experience that is unparalleled in care, comfort and compassion. Our distinguished dermatologists comprise the most highly experienced and educated team in dermatology today. Thank you for your interest!

Dr. Elizabeth E. Vierra

Dr. Elizabeth E. Vierra

Dr. Elizabeth E. Vierra is a board-certified dermatologist who received her training at the University of California, San Diego, where she served as Chief Resident. She enjoys pediatric, adolescent and adult dermatology as well as surgical dermatology.

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Dr. Mark A. Vierra

Dr. Mark A. Vierra

Dr. Mark Vierra has been part of Bernardo Dermatology Medical Group for over a decade. He enjoys working with his great colleagues and amazing staff. More importantly, he loves caring for all the wonderful patients he has had the pleasure of seeing over the last few years.

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Dr. Ruth A. Larson

Dr. Ruth A. Larson

Dr. Ruth Larson is a highly trained and respected dermatologist and Mohs skin cancer surgeon who combines meticulous care with warmth and compassion.

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Dr. Francis A. Barber

Dr. Francis A. Barber

Dr. Francis A. Barber, is a board-certified dermatologist who received his training at the Naval Hospital, San Diego, CA. He received additional training in skin pathology at the Armed Forces Institute of Pathology.

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Dr. Vanessa London

Dr. Vanessa London

Dr. Vanessa London is a board certified dermatologist and a Fellow of the American Academy of Dermatology. She completed her undergraduate studies at Cornell University and then completed a Master's degree in physiologic science at UCLA.

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Leah Brown, N.P

Leah Brown, N.P

Leah Brown, N.P is the daughter of Dr. Ruth Larson, the founder of this dermatology practice, and Alan Larson, M.D, a local gastroenterologist and long time PPH board member. Leah’s education is extensive.

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Dr. Ashley Rubin

Dr. Ashley Rubin

Dr. Rubin is a Board-certified Dermatologist and fellowship trained Mohs Surgeon. She is passionate about skin cancer prevention and enjoys educating and developing long term relationships with her patients.

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Dr. Leanna Hansen

Dr. Leanna Hansen

Dr. Leanna Hansen is a board-eligible dermatologist with expertise in treating skin cancer, eczema, contact dermatitis, psoriasis, and acne. She is skilled in cosmetic procedures like Botox, fillers, and chemical peels.

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Dr. Allison Han

Dr. Allison Han

Dr. Allison Han is a board-certified dermatologist specializing in pediatric, medical, and cosmetic dermatology. She completed her fellowship at Rady Children’s Hospital and enjoys caring for her hometown community.

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