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 Physician Provided Care

At Aesthetic Dermatology, you’ll be cared for by Stefan Lowenstein, M.D.—a double board-certified dermatologist and fellowship-trained Mohs surgeon. Dr. Lowenstein completed both medical school and residency at the University of California, San Francisco—consistently ranked among the nation’s top programs.

His outstanding clinical evaluations and top board-exam scores earned him a spot in this highly competitive training program. With expertise in general, cosmetic, and surgical dermatology (including Mohs surgery) as well as in dermatopathology, you can be confident that you will be cared for by a physician with the highest qualifications and complete mastery of the field.

Patient Testimonials

Bill W.

Very good, knowledgeable, thorough skin exam by really nice Drs and staff. Excision of Basal Cell Carcinoma, Identification of a more rare skin cancer. These people are Great!

Regina B.

Very competent dermatologist and Mohs surgeon.

Brian D.

Stephanie is great. Highly recommend her for regular skin check ups

Janet L.

Stephanie is the best! Very clean, professional, and thorough. Until I came to her, no dermatologist had looked all the hidden spots.

Biff B.

I have seen them for about 30 years and had numerous successful Mohs procedures. I highly recommend them.

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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