What are the opening hours?

Monday 9am - 6pm Tuesday 9am - 6pm Wednesday 9am - 6pm Thursday 9am - 6pm Friday 9am - 6pm Saturday 9am - 6pm

The Maas Clinic

Facial Plastic and Aesthetic Surgery Clinic offering advanced laser surgery and skin care under the d Founded in 2002 by Corey S. Maas, M.D.

after serving for 10 years as the Chief of the Division of Facial Plastic Surgery at the University of California, San Francisco, the Maas Clinic is a full-service aesthetic and reconstructive surgery center. The Maas Clinic features a contiguous full service medical day spa with an associated accredited ambulatory surgical center on site. The Clinic's Research Center conducts clinical trials for

industry for Food and Drug Administration device and pharmaceutical approval. Staffed by highly trained, friendly and caring personnel the goal of the clinic is the creation or restoration of natural beauty to the face and body. Dr. Maas' areas of surgical expertise are facelift, rhinoplasty, hair transplant, eyelid and browlift surgery, and laser skin rejuvenation. Dr. Maas is an internationally recognized thought leader in cosmetic injections and injectable materials. Pioneering products and techniques for cosmetic injection, Botox, Dysport, Restylane, Juvederm, Radiesse, Dr. Maas serves on many advisory boards and has published over 100 papers in cosmetic injections and surgery

08/01/2026

🎉 Happy Birthday to the heart of our office—Tina! 🎂💙

Today we’re celebrating our incredible Office Manager, Tina! From keeping everything running seamlessly behind the scenes to making every patient and team member feel supported, she truly does it all.

Her dedication, kindness, organization, and positive spirit make our practice a better place every single day. We are so grateful for everything she does and so lucky to have her on our team.

07/31/2026

A subtle lift can make a remarkable difference. 💫

This brow lift refreshed the upper face by creating a more open, rested appearance while preserving the patient's natural expression. Every procedure is thoughtfully tailored to each individual's anatomy and aesthetic goals, resulting in elegant, balanced outcomes that never look overdone.

Interested in learning more about brow lift surgery? Schedule your consultation through the link below. ✨

https://www.maasclinic.com/contact/

07/29/2026

Baby Botox is one of the most talked-about aesthetic trends, but what does it actually mean? 💉

While the term is commonly used to describe very small doses of Botox, it's often associated with claims of smoother skin and smaller-looking pores. Dr. Maas discusses what the research actually shows and why these lower-dose treatments may not deliver the pore-size improvements many people expect.

He also explains how traditional Botox works at the muscle level and why, when used appropriately in younger patients, it can play a preventative role by helping slow the formation of dynamic wrinkles over time.

Have a question about Botox or another aesthetic treatment? Drop it in the comments below or send us a DM, and it could be featured in a future Maas Minute. 🤍

07/28/2026

🎉🎂 Happy Birthday to Our Incredible Medical Director, Dr. Corey S. Maas! 🎂🎉

Today we’re celebrating the visionary behind Appearance Care and The Maas Clinic—our exceptional Medical Director, Dr. Corey S. Maas. 💜

Your passion for excellence, dedication to innovation, and unwavering commitment to helping patients look and feel their very best continue to inspire all of us every day. Thank you for the expertise, compassion, and leadership you bring to our team and to every patient who walks through our doors.

Please join us in wishing Dr. Maas a very happy birthday! 🎈🎁🎉

Here’s to another year of transforming lives, advancing the art and science of facial plastic surgery, and making a difference—one patient at a time.

💜 Happy Birthday, Dr. Maas! We hope your day is as extraordinary as you are!

07/27/2026

Zoom in for your reminder! ✨

Pull right up to the door and enjoy our complimentary valet service before stepping inside for your Botox, Dysport, Jeuveau, Daxxify, Xeomin, or filler appointment with Dr. Maas. A quick refresh, then back to your day in about 15 minutes. 🤍

🗓 Beauty Valet: Friday, July 31 | 2–5 PM

Appointments are limited and tend to fill quickly. Reserve your spot through the link below.

https://www.maasclinic.com/contact/

07/22/2026

The place: Maas Clinic. 🤍
The surgeon: Dr. Maas. ✨
The artistry: Combining art and science for results that are naturally beautiful and beautifully you.

Every procedure is thoughtfully personalized to help you look refreshed, confident, and like the very best version of yourself. 🌟

07/20/2026

Could eyelid surgery be the right solution for you? 👁️

Many patients choose eyelid surgery to address concerns like hooded upper eyelids, excess skin, or eyes that look tired, heavy, or older than they feel. By restoring a smoother, more open eye appearance, blepharoplasty can help you look naturally refreshed without changing your unique expression.

A personalized consultation with Dr. Maas can determine whether upper blepharoplasty, lower blepharoplasty, or another treatment is the best fit for your goals.

Visit the link below to learn more or schedule your consultation. ✨

https://www.maasclinic.com/contact/

07/17/2026

In this Maas Minute, Amy, one of our patient coordinators, answers a question we hear all the time: Will my facelift look obvious? ✨

The best facelift isn't one that changes who you are. It's one that helps you look refreshed, rested, and naturally rejuvenated. Friends and family may notice that you look great, but they shouldn't be able to pinpoint exactly why.

At the Maas Clinic, our philosophy is simple: your results should enhance your natural features while preserving what makes you uniquely you. The goal is for your outward appearance to reflect the energy and confidence you feel on the inside.

Have questions about facelift surgery or the consultation process? Drop them in the comments below or send us a DM. 💫

07/15/2026

Refined rhinoplasty results designed to enhance balance while preserving what makes each face unique. ✨

Dr. Maas takes a thoughtful, individualized approach to every rhinoplasty, refining the nose to improve both form and function while creating a more balanced profile that feels completely natural to the patient's features.

The goal is never to create a new face. It's to bring greater balance, proportion, and confidence while helping you look like the best version of yourself.

Curious about what rhinoplasty could do for you? Schedule a consultation through the link below. 🤍

https://www.maasclinic.com/contact/

Address

2400 Clay Street
San Francisco, CA
94115

Opening Hours

Monday	9am - 6pm
Tuesday	9am - 6pm
Wednesday	9am - 6pm
Thursday	9am - 6pm
Friday	9am - 6pm
Saturday	9am - 6pm

Telephone

+14155677000

Website

http://www.maasclinic.com/

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