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

04/03/2026

Your April Beauty Valet dates are here! 🌸✨
⁠
Join Dr. Maas for quick, seamless injectable appointments designed to refresh your look in just minutes. Choose from your favorite neurotoxins, BOTOX, Dysport, Jeuveau, Daxxify, or Xeomin, for smooth, glowing results that last. 💉
⁠
🗓 Monday, April 6th | 8:30–11:30 AM
🗓 Friday, April 24th | 2:00–5:00 PM

Appointments always fill quickly! Secure your spot through the link below and step into spring looking and feeling your best. ✨

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

04/01/2026

Smooth skin, all season long. ☀️

Our Beauty Buys are here, designed to keep you feeling confident, polished, and effortlessly refreshed from spring into summer.

✨ Laser Hair Reduction
→ 20% OFF packages of 6
Stay smooth with long-term hair reduction

✨ MiraDry
→ Buy one treatment, get your second 50% OFF
Stay dry and confident, no matter the season

✨ MaasMD x WarrenMD Skincare
→ 50% OFF Clear Acne Spot Treatment Gel + All Day Shield Sunscreen (online only, while supplies last)
→ 20% OFF Body Renew with Retinol
Smooth, firm, and support more radiant-looking skin

Refresh your routine and step into the season feeling your best. Shop + book at the link below. 🤍

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

03/30/2026

This Doctors’ Day, we’re spotlighting Dr. Maas and Dr. Hazboun. 🩺✨

The level of care, precision, and intention you bring to every patient experience does not go unnoticed. Your work goes far beyond results. It’s about trust, confidence, and truly changing lives. 🤍

Join us in celebrating them. Leave a 🤍 in the comments!

03/27/2026

A functional transformation with a meaningful impact ✨

Septoplasty is designed to correct a deviated septum, helping improve airflow and overall breathing while also supporting better nasal balance. Many patients choose this procedure to address chronic congestion, difficulty breathing, or discomfort caused by structural concerns inside the nose. 👃

The result? Clearer breathing, better sleep, and a noticeable improvement in daily comfort. Book your consultation at the .

03/25/2026

Dr. Maas discusses the growing influence of social media, celebrity culture, and filtered imagery, and how it can shape unrealistic expectations around aesthetic treatments. ✨

With constant exposure to edited, highly curated images on platforms like Instagram and TikTok, it’s easy to lose sight of what’s natural and achievable. Many patients come in referencing filtered photos, but true aesthetic results are about enhancing your unique features, not replicating someone else’s.

Have you ever felt influenced by what you see online? Share your thoughts below. 👇

03/23/2026

If you’re considering a facelift and wondering what recovery really looks like, here’s what you can expect:

Facelift recovery is a gradual, well-guided process that begins with swelling, bruising, and mild discomfort in the first few days, all of which are expected and carefully managed. Keeping your head elevated and following post-operative care helps minimize swelling and support healing, while sutures are typically removed within the first week as the incisions begin to refine. Most patients feel ready to return to daily activities within 10–14 days, with makeup often helping to conceal any remaining signs of surgery. As the weeks go on, swelling continues to subside and your results become more defined, with full refinement developing over several months.

Every step of the process is thoughtfully managed to support a smooth recovery and a result that feels like you, just refreshed.

Schedule your consultation at the link below. ✨

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

03/20/2026

One more Beauty Valet this March. You don’t want to miss it. 💉✨

Just pull your car up to the door and enjoy our complimentary valet service. Step inside for your Botox, Dysport, Jeuveau, Daxxify, Xeomin, or filler treatment with Dr. Maas, and be back on your way in about 15 minutes.

🗓 Beauty Valet: Friday, March 27th | 2–5 PM
These exclusive spots fill quickly. Secure yours now through the link in bio!

03/18/2026

In this Maas Minute, Dr. Maas explains how eyelash transplants can restore fuller, natural-looking lashes for patients experiencing thinning or gaps. ✨

Using carefully harvested hair grafts from the back of the scalp, each follicle is meticulously placed to grow like a natural lash, creating a thicker, more defined lash line. He also shares how similar transplant techniques can be used to enhance eyebrow density for patients looking to improve brow fullness.

What would you like our team to cover next in our Maas Minute series? Comment below! 👇

03/16/2026

Submental liposuction is designed to reduce excess fullness beneath the chin, helping refine and define the jawline and neck. By carefully removing targeted fat in this area, the procedure can create a smoother contour and a more balanced facial profile with natural-looking results. ✨

With a precise and thoughtful approach, this treatment enhances definition in the lower face while maintaining harmony with your natural features. Even subtle contouring can make a meaningful difference in overall facial balance.

If you’re curious whether submental liposuction may be right for you, start with a consultation. 🤍 Book your appointment at the link below.

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

03/13/2026

Dr. Maas discusses how aesthetic goals evolve over time, and why the approach in your twenties should look very different from the approach in your forties and beyond. ✨

From prejuvenation with neuromodulators, skincare, and collagen-stimulating treatments early on, to surgical options like blepharoplasty or facelift procedures later in life, each decade calls for a thoughtful, individualized plan to maintain natural, balanced results.

How has your approach to aesthetics changed over time? Share your thoughts below! 👇

03/11/2026

Look at this Silhouette Lift transformation ✨ This treatment is one of the most popular for a reason, it can gently lift sagging skin, redefine facial contours, and smooth the appearance of fine lines for a more refreshed, balanced look, all without surgery.

Book your consultation at the link below!

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

03/10/2026

Happy Birthday, Courtney! 🎂🎉
Our patients love you, our team appreciates you, and we hope your day is as amazing as you are! Cheers to another fabulous year ahead. 💉✨

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/

Alerts

Be the first to know and let us send you an email when The Maas Clinic posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Contact The Practice

Send a message to The Maas Clinic:

Shortcuts

Address
Telephone
Opening Hours
Alerts
Contact The Practice
Claim ownership or report listing

Want your practice to be the top-listed Clinic in San Francisco?