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Aesthetic Dermatology & Skin Cancer in Mill Valley, CA

Welcome To Aesthetic Dermatology And Skin Cancer

At Aesthetic Dermatology, our goal is to help people look as great on the outside as they feel on the inside. We specialize in our patient’s skin; its Health, Rejuvenation, and Cancer. Our passion is to make our patients smile, exceed their expectations, and improve their self-esteem.

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Exceptional Client Service

From the moment you arrive, you’ll notice how smoothly everything runs. Ample free parking and a convenient location set the tone. Our modern, welcoming waiting area and friendly staff ensure you’re checked in quickly and comfortably. Appointments start on time and never feel rushed—Dr. Lowenstein respects your schedule and values your time. Prescriptions are sent directly to your pharmacy, follow-ups are easy to book, and after any major procedure, Dr. Lowenstein personally calls to make sure you’re healing well. We promptly answer calls and return messages, handling any concerns directly rather than referring you elsewhere. It’s all part of our commitment to delivering a true five-star experience.

Exceptional Care

At Aesthetic Dermatology, care is personal, thoughtful, and highly individualized. Patients are treated by Stefan Lowenstein, M.D., a double board-certified dermatologist and Mohs surgeon, or Mira Noble, N.P., an experienced nurse practitioner with advanced dermatologic training.

Dr. Lowenstein completed both medical school and dermatology residency at UCSF, one of the most prestigious medical institutions in the world, and has achieved among the highest levels of training and credentialing available in dermatology. His expertise spans medical, surgical, and cosmetic dermatology, including skin cancer treatment, Mohs surgery, facial reconstruction, injectables, lasers, skin rejuvenation, and scar treatments. His advanced training in facial anatomy, dermatologic surgery, and the recognition and management of complications brings an exceptional level of precision, safety, and clinical judgment to cosmetic care. Mira Noble, N.P., has extensive nursing experience and has trained directly under Dr. Lowenstein, with the same emphasis on meticulous technique, careful patient selection, safety, and natural-looking results.

In an era when cosmetic procedures are available in more settings than ever before, patients should know who is performing their treatment, what training they have received, and whether they have the medical expertise to recognize and manage complications should they occur. Our practice is distinguished by physician-led care, advanced procedural expertise, comprehensive dermatologic knowledge, and a commitment to treatments that are both aesthetically refined and medically sound.

Cosmetic consultations are intentionally unhurried and detail-oriented. We take the time to understand your goals, evaluate your skin and facial anatomy, and develop a treatment plan tailored specifically to you. All injectable and medical products are sourced directly from manufacturers or authorized channels, with rigorous standards of authenticity, sterility, precision, and clinical care. The result is a boutique cosmetic experience centered on expertise, trust, discretion, safety, and beautifully natural results.

Patient Testimonials

Urban C.

Very professional. Recommended.

David D.

Tzipora was extremely helpful and professional. She set up our RMDs and saved us from a penalty with her advice and expertise. We are very grateful.

Russell K.

No one likes skin cancer yet the expertise and friendliness of Dr. and staff offset this beautifully. Thank you!

Cal C.

Dr. Lowenstein and his team are real professionals with real compassion for their patients. I would recommend this practice to anyone seeking a straight-forward evaluation and treatment plan.

Felix R.

Dr. Lowenstein and his staff are professional, courteous, prompt and efficient. I am happy to be a patient.

Physician-Owned

Aesthetic Dermatology is 100% locally owned and operated by Dr. Lowenstein, a Marin County native. We have no outside investors or private-equity stakeholders—only a sincere commitment to personalized patient care. That means every decision we make is guided by your best interests, not by shareholder demands.

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