With over 20 years of medical experience, Dr. Castro specializes in using tailor-made treatments for his patients. He is a firm believer that the “one-size fits all” approach to treating cancer is a serious limitation and advocates the use of Precision Medicine. He uses his clinical experience and scientific knowledge to stimulate and guide Cellworks’ Precision Medicine Business.
Dr. Castro has been the Medical Director of Caris Life Sciences. With an in-depth knowledge of molecular oncology, targeted therapy and immune-oncology, today, Dr. Castro runs Precision Medicine PLLC, and treats patients with a variety of cancers. He is committed to ensuring the best outcomes for his patients and treats patients all around the world.
Dr. Castro holds a medical degree from The Columbia University College of Physicians and Surgeons and is a certified Neuro-oncologist.

Expert Dermatological Care in San Francisco - Castro
Our San Francisco - Castro board-certified dermatologists and dermatology specialists are committed to the highest standard of dermatological care, blending attention to detail, expertise, and efficiency. Our San Francisco - Castro office is the premier location in the Bay Area for all your dermatological needs. We provide an extensive range of medical and cosmetic services, using the latest advancements to deliver exceptional outcomes.
Comprehensive Services for All Ages and Skin Types
We evaluate, treat, and manage skin problems in pediatric patients, including pediatric acne, pediatric eczema, and milia. Our dermatology providers also address the needs of our skin of color patients. We have vast expertise in treating patients of all skin tones and ethnicities for both medical and cosmetic needs.

Convenient and Patient-Centered Experience
Our San Francisco - Castro dermatology clinic accepts most insurance plans. While cosmetic procedures are typically an out-of-pocket expense, medical dermatology services are often covered. Patients have shared positive experiences, noting the personable staff, minimal wait times for appointments and seeing the doctor, and overall pleasant experiences. Many express their intention to recommend the practice.
Patient Testimonials
- "Staff and Doctor were very personable. No long wait for appointment or seeing the doctor. Very pleasant experience overall. I would definitely recommend them and will." - M.M.
- "Very competent medical attention with a caring staff, they attentively listen. Give good explanations, and ensure all my questions were fully answered." - R.M.
- "I had something on my arm that looked pretty suspicious. They squeezed me in the same day and were able to quickly relieve me of my concerns. A positive experience." - V.L.
Your First Appointment and Personalized Treatment
During your first appointment, one of our board-certified dermatologists or dermatology specialists will review your skin concerns using visual examination or equipment, discuss your medical history, and create a personalized treatment plan tailored to your needs. Each appointment will depend on your condition and specific needs. Please arrive 15 minutes early with your completed paperwork and insurance information.

The Schweiger Dermatology Group Commitment
At Schweiger Dermatology Group, we believe no one should wait to feel confident in their own skin. That's why we're committed to delivering The Ultimate Patient Experience-expert care that's fast, compassionate, and seamless. Founded by Dr. Eric Schweiger in 2010 to eliminate long wait times for high-quality dermatologists, we've grown into the nation's leading dermatology practice, with hundreds of locations across the country and millions of satisfied patients.
We offer medical, cosmetic, and surgical dermatology, as well as allergy services-in modern, state-of-the-art offices. Most new patients are seen within days, and we accept most insurances and handle billing for you.
Schweiger Dermatology Group - 2021 - A tribute to our team
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