The Cosmetic and Laser Surgery Institute, founded by Dr. Diana Parnell in 1986, is the premiere skin clinic in the Bay Area. We provide comprehensive general medical and surgical dermatology services, including the treatment of skin cancers, acne, and other skin disorders for the entire family.

We also offer cutting edge cosmetic dermatology services including facial rejuvenation with Dysport®, Botox®, Restylane®, Perlane®, Juvéderm®, Belotero®, Radiesse®, Voluma™ and Sculptra®. In addition, we own and operate daily several different lasers to provide our patients with the most current and effective laser modalities as well as Ultherapy®, ultrasound technology to lift the eyebrows, chin and neck and improve the décolletage. Sclerotherapy and various chemical peels round out our extensive list of available services. To complete your experience, we offer products from YS Laboratories, Obagi Medical, LaRoche Posay, Fallene and Allergan.

 With a dedicated staff of registered nurses who have a combined 27 years working in dermatology and cosmetic surgery, the Cosmetic and Laser Surgery Institute is able to offer unparalleled service and expertise. We encourage you to explore our website and call our office to schedule an appointment for a skin evaluation, consultation, or treatment. You can be certain that we will always recommend the most appropriate treatments and services for you.

IMPORTANT UPDATE:    We are excited to announce that we are officially now in-network providers for the following PPO's: Aetna, Cigna (HMO also), Coventry, Health Smart, Multiplan, Pacific Health Alliance, Private Healthcare Systems, and Three Rivers Provider Network.

Our Mission

Patients are the most important people in our practice. Our goal is to provide quality medical care to our patients and we dedicate ourselves to better our patients’ well-being. We evolve in response to our patients’ changing needs and expectations.

Meet Dr. Parnell

Diana D. Parnell, M.D., is a board certified dermatologist with extensive experience and expertise in cosmetic and laser surgery as well as general dermatology. She is a Fellow of the American Academy of Dermatology and is a member of the American Society of Dermatologic Surgery.

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Meet Dr. Zand

Dr. Sarvenaz Zand is a board-certified dermatologist with a Bachelor of Science in Biomedical Engineering from Johns Hopkins University and a dual M.D. from Harvard Medical School and MIT.  “USA Today” honored her as one of the top 20 college students in the nation in 2000.  She carried out a Melanoma Research Fellowship at Harvard, and trained in dermatology at UC Davis. She served as Chief Resident of Dermatology at UC Davis, and then as Associate Professor of Dermatology at Loma Linda University. She has been in private practice in Marin County since 2009.



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1030 Sir Francis Drake - Ste 110
Kentfield, CA 94904

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