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Your Trusted Dermatology & Skin Cancer Care in Mill Valley, CA
At Aesthetic Dermatology & Skin Cancer, we are dedicated to helping patients achieve optimal skin health through personalized, comprehensive care. Our practice combines medical expertise with advanced cosmetic treatments to address both health and aesthetic concerns. Founded by Dr. Stefan Lowenstein, a double board-certified dermatologist and Mohs surgeon, we prioritize patient satisfaction, comfort, and outcomes.

Our team delivers timely, compassionate care, including direct follow-ups after procedures to ensure proper healing. Located in Mill Valley, CA, we are committed to serving our community with integrity, transparency, and a focus on long-term patient well-being.
Services
Mohs Surgery Skin Cancer Screenings Injectables Chemical Peels CoolSculpting Laser Treatments Medical Dermatology Cosmetic Dermatology Skin Care Products Ear Lobe Rejuvenation
Highlights and features
  • We are a physician-owned practice committed to personalized care.
  • Dr. Lowenstein is a double board-certified dermatologist and Mohs surgeon.
  • Our team provides timely appointments and direct follow-up care.
  • We offer comprehensive medical, cosmetic, and surgical dermatology services.
  • Locally owned and operated by a Marin County native.
What people say
Very good, knowledgeable, thorough skin exam Highly recommend them Stephanie is the best Successful Mohs procedures Caring and attentive staff
Services
Mohs Surgery
Mohs surgery is a precise procedure to remove skin cancer while preserving healthy tissue. Our board-certified dermatologists perform this in-office treatment under local anesthesia. It offers high cure rates and immediate results for basal cell, squamous cell carcinomas, and select melanomas.
Injectables
We offer FDA-approved injectables like Botox, Dysport, and fillers (e.g., Radiesse, Sculptra) to reduce wrinkles and restore facial volume. Treatments are tailored to enhance natural features with minimal downtime. Results are visible within days and last several months.
Skin Cancer Screenings
Annual full-body skin exams identify precancerous and cancerous lesions early. Our team educates patients on self-examination and risk factors. Suspicious moles are biopsied immediately, ensuring prompt diagnosis and treatment.
Chemical Peels
Chemical peels exfoliate dead skin cells to improve texture, tone, and clarity. We use medical-grade solutions to address acne, sun damage, and fine lines. Treatments are customized for all skin types, with visible results after one session.
Medical Dermatology
We diagnose and manage conditions like acne, rosacea, eczema, and psoriasis. Treatments include topical medications, biologics, and lifestyle adjustments. Our approach focuses on long-term skin health and symptom relief.
People
Stefan Lowenstein, M.D.
Dermatologist & Mohs Surgeon
Dr. Lowenstein is a double board-certified dermatologist and Mohs surgeon with over 20 years of experience. He completed his residency at UCSF, a top-ranked program, and specializes in skin cancer treatment, cosmetic procedures, and medical dermatology. He prioritizes patient education and personalized care.
Questions
What services does Aesthetic Dermatology offer?
We provide medical, cosmetic, and surgical dermatology services, including skin cancer screenings, Mohs surgery, injectables, chemical peels, and treatment for acne, rosacea, and other skin conditions.
How do I schedule an appointment?
Call us at (415) 383-5475 or submit our online contact form. Our staff will confirm your appointment and provide pre-visit instructions.
Is Mohs surgery covered by insurance?
Most insurance plans cover Mohs surgery. Contact your provider for details, and our team will assist with pre-authorization if needed.
What skincare products do you recommend?
We offer medical-grade skincare products tailored to your skin type and concerns, including treatments for sun damage, aging, and acne.
Are virtual consultations available?
We offer in-person visits for accurate diagnosis and treatment. Contact us to discuss your specific needs.