ABOUT DR. KOO
Dr. Michele Koo, M.D., FACS
With over 25 years of surgical excellence and thousands of successful procedures, Dr. Michele Koo is a board-certified plastic surgeon trusted by patients across Missouri and California.
Patients trust her deep anatomical knowledge and ability to tailor her procedures to their unique needs to deliver results that are not only transformative but profoundly personal.
Whether you’re consulting at her flagship practice in St. Louis or her new location in Marin County, Dr. Koo takes the time to listen, understand, and co-create a treatment journey that helps you look and feel your best.
ABOUT DR. KOO
Dr. Michele Koo, M.D., FACS
With over 25 years of surgical excellence and thousands of successful procedures, Dr. Michele Koo is a board-certified plastic surgeon trusted by patients across Missouri and California.
Patients trust her deep anatomical knowledge and ability to tailor her procedures to their unique needs to deliver results that are not only transformative but profoundly personal.
Whether you’re consulting at her flagship practice in St. Louis or her new location in Marin County, Dr. Koo takes the time to listen, understand, and co-create a treatment journey that helps you look and feel your best.
AFFILIATIONS
BOARD CERTIFIED EXCELLENCE
Certified by the American Board of Plastic Surgery, Dr. Koo exemplifies clinical excellence and aesthetic integrity.
Her journey began at Stanford University, where she earned her B.S. in Biological Science, followed by her M.D. from Washington University School of Medicine. She refined her surgical expertise through her General Surgery Residency and Plastic Surgery Fellowship at Washington University/Barnes Hospital, and furthered her training at the University of Kansas with a Craniofacial Fellowship.
NATIONALLY RECOGNIZED
Dr. Koo’s meticulous approach and transparent philosophy have built a loyal patient base across the country. Patients travel from New York, Los Angeles, Chicago, Aspen, and now at Aesthetx in the San Francisco Bay Area, to work with her.
“One of the most important things I’ve learned is that there’s not one surgery for everybody and there are many alternatives to surgery that may also be perfect for you. I pay attention to the details of the anatomy, extract exactly what the patient wants, then with my expertise, vision and artistry, I apply delicate surgical principles to achieve the best result possible.”
DR. KOO’S MISSION
Dr. Koo’s approach combines surgical artistry with genuine care. She believes every patient deserves natural-looking results that enhance, never change who they are. From your first consultation to final follow-up, you’ll experience personalized attention that puts your safety, comfort, and goals first.
surgical procedures
NON-SURGICAL PROCEDURES
weight loss management
ADVANCED SKINCARE
FEATURED IN
TESTIMONIALS
I could not be happier with the results of my surgery. For years I had been wanting to get breast augmentation, but was always afraid of the risks. When I was recommended to Dr. Koo, she put my mind to ease. She gave me the personal attention I needed and really understood what I was wanting/not wanting. I love the approach she takes to each of her clients, both before, during, and after surgery.
If you’re looking for a doctor who will support you every step of the way in becoming the best version of yourself — not just on the outside, but as a whole person — Dr. Koo is that doctor.She is an extraordinary professional and a truly compassionate human being.
Dr Koo’s skin care line is like no other product I have ever tried. Her products are simple, and it’s such an easy routine—each time I use the products I feel like I am really treating myself. My results have been fantastic—taken years off my look. This has been such a great investment in myself! The longer I use Dr Koo’s products, the less make-up I need.
Dr Koo is an excellent surgeon who will take care of you, make the right choice and if she feels she cannot give you what you want, she will send you elsewhere. She is very honest and will help you make the right choices.
I couldn’t have been more pleased with Dr. Koo and her staff. I sought her out after doing significant research regarding breast augmentation procedures. Her artistic talents, phenomenal staff and complete understanding of my needs ultimately contributed to my decision to select her as my surgeon. My results are exactly what I wanted!
When I called the office for my first appointment I told them I wanted the Fraxel Laser. The front desk staff made me an appointment for an evaluation with Dr. Koo personally. My face looks amazing. Dr. Koo said that I didn’t need the laser but that I needed skin care a little Botox and some filler Juvederm. I look great.
WHY CHOOSE DR. KOO?
Dr. Koo prioritizes confidential, personalized care in a welcoming, judgment-free space.
Since 1991, Dr. Koo has been a leader in cosmetic plastic surgery, offering procedures designed to enhance your natural beauty with a focus on precision, safety, and self-confidence. Her expertise spans cosmetic breast surgery, including breast augmentation, short-scar breast reduction, and post-pregnancy breast lifts. She also offers advanced procedures like vertical mammaplasty, which reshapes and lifts the breasts while minimizing visible scarring.
But her care goes far beyond the operating room. She believes in taking a comprehensive approach to your well-being by providing tailored advice on skincare, nutrition, and lifestyle choices that support long-lasting results and overall confidence.
With locations in St. Louis, MO, and across the San Francisco Bay Area, including Menlo Park and Marin County, Dr. Koo offers the same elevated standard of care wherever you choose to visit. Whether you’re seeking a surgical transformation or exploring non-surgical cosmetic procedures, you’ll be met with compassion, honesty, and deep expertise.
With Dr. Koo, it’s not just about how you look. It’s about how you feel when you see yourself in the mirror: confident, radiant, and unapologetically you.
PROFESSIONAL QUALIFICATIONS
BOARD CERTIFICATION
American Board of Plastic Surgery
MEDICAL DEGREE
Washington University Medical School
UNDERGRADUATE EDUCATION
Stanford University
GENERAL SURGERY RESIDENCY
Washington University/Barnes Hospital
FELLOWSHIP
Washington University/Barnes Hospital
University of Kansas
tWO Locations
Dr. Koo is proud to provide world-class care in two locations. Whether in the heart of the Midwest or Northern California, her goal is to help you look and feel like the best version of yourself.
No matter the location, her mission remains constant: to enhance natural beauty with precision and empathy.
St. Louis, Missouri
A fully accredited surgical facility known for discretion and life-changing results.
Frontenac Surgery Center at Frontenac Grove, 10435 Clayton Road, St Louis, MO 63131
Marin County, California
A new private setting offering elite cosmetic care and non-surgical treatments to patients in the Bay Area and beyond.
Aesthetx, 300 Drakes Landing Road, Suite 100, Greenbrae, CA 94904
