We are Synergi Facial Surgery

Our pledge to you is that we will help you rejuvenate and refine your appearance with minimal downtime or discomfort. Our innovative techniques coupled with superior surgical skills will produce dramatic results. You will look so natural, that no one will know you’ve had facial surgery!

Richard W. Maack, M.D., F.A.C.S

Richard W. Maack, M.D., F.A.C.S.the director of Synergi Facial Surgery, a division of ENT Associates/ Sound Health, practices in the state-of-the-art, Facial Surgery facility adjoining the acclaimed Synergi MedSpa in Chesterfield Valley. Dr. Maack artistically and compassionately treats the aging face with surgical enhancements such as face, brow and neck lifts and eyelid surgery as well as nasal refinement and breathing procedures, hair restoration and facial injections to provide patients with a refreshed and rejuvenated appearance.


Dr. Maack holds a Medical Degree from The University of Maryland School of Medicine and completed his residency through Washington University in St Louis and a Fellowship through the American Academy of Facial Plastic and Reconstructive Surgery in Cincinnati. He is board certified by the American Board of Facial Plastic and Reconstructive surgery as well as the American Board of Otolaryngology-Head & Neck Surgery. As Dr. Maack says, "Every enhancement procedure should mirror the complexity, emotion, and individuality that is unique to your face." Dr. Maack’s facial plastic surgery practice adjoins Synergi MedSpa allowing us to provide you unparalleled service from rejuvenating facials to cosmetic surgical enhancement.

Dr. Maack is a Clinical Instructor at Washington University School of Medicine and spends time teaching residents and fellows in their specialized surgical training. He has recently been selected to be one of the very few national Fellowship Preceptors for the Academy of Facial Plastic Surgery to help train new young facial plastic surgeons in this very demanding and competitive specialty. He has authored numerous articles and book chapters in the medical literature over the years. He is the Medical Director of the Chesterfield Surgery Center, the Medical Director of the Synergi MedSpa, President of ENT Associates and is on various medical boards in the St Louis area.

The medical staff at Dr. Maack's Synergi Facial Surgery office are experts in all areas of facial surgery, procedures, insurance, scheduling, and compassionate care.  Their long term presence offers our patients a personalized and individual caring atmosphere which our patients love.  The adjacent Chesterfield Surgical Center offers a fully accredited safe and comfortable setting for surgical procedures with excellent anesthesia in a clean, safe and sought after environment.

In his free time, Dr. Maack enjoys biking, skiing, scuba diving, the Cardinals, traveling and spending time with his family.

Dr. Maack’s expertly trained staff of Registered Nurses and Licensed Estheticians work directly under his supervision on an ongoing basis to provide you excellent care in a safe and professional environment.

As the Director of the acclaimed Synergi MedSpa, Dr. Maack is extremely proud to work closely with some of the most well trained and caring nurses, aestheticians and staff in the region.  The Synergi MedSpa treats its clients with the most advanced, innovative and sought after procedures in a relaxing and desirable environment with Dr. Maack's facial plastic medical supervision on site.


Robert Cristel, M.D.

Robert Cristel, MD, is a board-certified surgeon specializing in Facial Plastic and Reconstructive Surgery and Otolaryngology/Head and Neck Surgery. Dr. Cristel provides individualized, evidence-based facial plastic and reconstructive surgery and general ENT services at three convenient locations in O’Fallon, Missouri, Chesterfield Valley, and Chesterfield. 

Born and raised in St. Louis, Dr. Cristel completed his undergraduate training at Webster University in St. Louis, graduating with honors in Biology and Biotechnology.  He received his medical degree from the University of Missouri-Columbia School of Medicine, where he graduated with honors as an Alpha Omega Alpha Honor Medical Society awardee and was selected into the Gold Humanism Honor Society. Dr. Cristel completed his residency at the University of Illinois-Chicago in Otolaryngology-Head and Neck Surgery and was selected as Chief Resident in his final year. 

He then pursued advanced training in Facial Plastic and Reconstructive Surgery at Washington University in St. Louis School of Medicine. He has a particular interest in rhinoplasty, facelift, neck lift, brow lift, eyelid lift (blepharoplasty), lip lift, CO2 laser resurfacing, chin implants, fat transfer to the face, and otoplasty (ear pinning). He is also interested in buccal fat reduction, scar revisions, repair of facial injuries and fractures, surgical management of otolaryngological disease, and all aspects of cosmetic and reconstructive surgery of the face and neck. 

Dr. Cristel has published and presented extensively in cosmetic facial plastic and reconstructive surgery and uses the most modern surgical and nonsurgical techniques, with over 30 journal articles and book chapters in cosmetic facial plastic surgery. He also serves as a Clinical Instructor at Washington University School of Medicine in St. Louis in the Facial Plastic and Reconstructive Surgery division. He mentors fellows, residents, and medical students.

Our Team

Our staff takes pride in providing remarkable service. We stay up-to-date on procedures and technology, attend continuing education courses, and train on the latest technology to meet and exceed the level of treatment you should expect to receive.

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Patient/Office Coordinator
Molly coordinates Dr. Maack’s surgery schedule, guiding patients through every step of their surgical experience.
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Insurance Coordinator
Amy helps to ensure a smooth flow during your appointment and can also help you navigate through the insurance maze. At the end of your visit, Amy will help coordinate any necessary follow up visits and/or further testing.
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MedSpa Director
Michelle focuses on educating patients regarding new trends and technology in the cosmetic industry. Sign up at www.synergimedspa.com for the latest information to help you stay informed.
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Front Office Coordinator
As your first point of contact with our office, Shelby will get you started in the right direction. If you need help and are not sure who to ask, she is the perfect place to start. Shelby is also excited to be starting her role as the social media "guru".
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RN Supervisor / Clinic Coordinator
Monica has multiple functions with ENT Associates, Inc. and oversees all aspects of Dr. Maack’s surgical practice to ensure your absolute satisfaction.
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Physician's Assistant
Caitlyn earned her Physician Assistant (P.A.) degree from Indiana State University where she also received her bachelor’s degree in Athletic Training with a concentration in Applied Medicine. She worked as a medical technician at Synergi prior to becoming a Physician Assistant, and is happy to be back in her new role!
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Medical Technician
Sydney is one of the first faces you will see in our office, as she greets you and gets you settled into your visit. She will go over any pertinant information needed, and will ensure that all of your concerns are addressed with Dr. Maack.
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Scribe/Medical Assistant
You will notice Sam shadowing Dr Maack during your visit. She enters patient information in the EMR -Electronic Medical Record system-which enables Dr Maack to have more time to talk face to face with you. She will also assist on many procedures.

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