Bev L.
9/25/2025
Dr Maas is a very competent talented surgeon. He has a great understanding what needs to be done for a natural look. His genuine concern and passion for his work shows in the outcome. His staff...
Corey S Maas, MD FACS - Maas Clinic
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2400 Clay St
San Francisco, CA 94115
The Maas Clinic provides expert aesthetic medical and surgical care in a comfortable and private environment individualized for each patient. Founder and Director, Dr. Corey S. Maas is a internationally recognized authority in cosmetic surgery and injections.
Also at this address
Reviews
4.094 reviews
Amanda R.
8/13/2025
It has been a couple of years since my initial visit, and I still regret walking through that door every single day. I've spent thousands of dollars trying to correct the damage caused by the...
Stephanie S.
7/4/2025
Dr. Maas may be a skilled physician and surgeon, but he is not skilled at professionalism, time management, or basic courtesy. During my initial consult, I waited about 35-40mins to see him. I...
John G.
11/14/2025
Showed up 10 mins early for appointment. Did the photos. Proceeded to sit in waiting room 25 minutes past appointment time. Told no room available as if it was a damn ER. Took business elsewhere.
Spencer R.
8/29/2024
CLAIMS TO BE BOARD CERTIFIED IN PLASTIC SURGERY on his website yet I found nothing on him on the websites of the American Board of Plastic Surgery or the American Board of cosmetic surgery. SEE...
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