Dr. Louis Ziegler, D.C., F.I.A.M.A.

Dr. Ziegler is a board-certified holistic chiropractic integrative physician, licensed by the Virginia Board of Medicine and has been serving in private practice for over 20 years.  He has been named "Top Physician" by his peers for over 15 consecutive years.  Dr. Ziegler attended the University of Connecticut on a full athletic scholarship and then received a doctorate degree from Life University in Atlanta, Georgia. He completed post graduate studies and physiological therapeutics at National University of Health Science in Lombardi, Illinois and received a fellowship in medical acupuncture from the International Academy of Medical Acupuncture in Carefree, Arizona.  In addition, he is certified by the American Biomechanical and Bioengineering Association.

Since 1990, Dr. Ziegler has provided families with health care, focusing on prevention and healing to promote optimal wellness.  As an expert, his approach is whole body and mind to include scientific approaches including the use of acupuncture, chiropractic, nutrition, vitamin supplements and physical medicine. He takes all aspects of the patient's lifestyle into account and uses integrative medicine to facilitate the healing response. Dr. Ziegler strives to create a partnership with his patient to better understand the complex interactions between mind, body and spirit while incorporating their unique internal and external environments into treatment plans.

Thousands of people have seen Dr. Ziegler due to his regular contributions to national and local media organizations such as: ABC's "Good Morning America", ABC's "News Channel 8", Northern Virginia Magazine, Washingtonian Magazine and Your Health Magazine.  In addition, he is a consultant to the medical office of the Japanese Embassy and has served as an expert witness for multiple jury trials.  Dr. Ziegler finds true passion in healthcare and fitness and has completed both Marine Corps and New York City Marathon's multiple times.

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Mandana Shafai, M.D.

Dr. Mandana Shafai is board certified in Internal Medicine with over 20 years in Primary Care Medicine experience. She was an honor graduate from Wright State University Medical School in Dayton, Ohio and completed her residency in Internal Medicine at Georgetown University Hospital in 1996. She has taught as an Attending Physician at The Georgetown Clinic and the Virginia Hospital Center in Arlington, Virginia. She was the Preceptor for the Physician’s Assistant Program at Howard University and the Guest Speaker for Cancer Prevention and Screening at Planning Research Corporation (PRC). Dr. Shafai was invited as a speaker to discuss various health related issues on “The Voice of America”, which was aired in many Middle Eastern Countries.
It is Dr. Shafai’s goal to find the underlying cause of your illness versus “putting a bandaid on the symptom.”  Her mission is to join you on your journey to balanced health through prevention, education, proper nutrition, stress management, and supplemental injections.  Utilizing her extensive training in both traditional and holistic health, she treats your acute and chronic illnesses, such as: diabetes, hypertension, high cholesterol & asthma; and performs physical & well woman exams.
To achieve optimal health, she believes in identifying and treating bodily symptoms, imbalances, causes and dysfunctions.  Her functional and integrative focus promotes patient-centered medical healing.  Dr. Shafai’s special interests include: thyroid disorders, digestive ailments (Leaky Gut), nutritional deficiencies, adrenal fatigue, and weight loss.  She also specializes in bioidentical hormone replacement therapy for perimenopausal & postmenopausal women, including the treatment of hormonal imbalances in men. She offers both traditional and comprehensive blood testing to detect toxins & food allergies; as well as, hormonal levels and vitamin deficiencies through the use of hair, saliva and/or stool analysis.

Dr. Shafai welcomes patients for sick office visits and preventative care.  Her reputation and dedication has continued to expand her practice.  In the 20 years that she has been in primary care, Dr. Shafai has developed a loyal following of patients who continue to follow her throughout the years.

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Abigail Wong, PA-C.  

Abigail Wong is a board certified Physician Assistant (PA), licensed by the Virginia Board of Medicine, whose mission is to promote quality, cost-effective medical care to all people. As a PA, she is a medical professional who, in collaboration with a supervising physician, conducts physical exams, diagnoses and treats illnesses, orders and interprets tests, develops and manages treatment plans, prescribes medications, and provides counsel on preventive health care. (For more information on PAs, please read https://www.aapa.org/what-is-a-pa/.)

Abigail received a Master’s degree in Physician Assistant Studies (MPAS) from James Madison University where she was also awarded The Graduate School Scholarship. After graduation, she worked as a family medicine primary care provider before joining Advanced Health Center in April 2019. She is passionate about providing quality medical care and spends time with each patient to address and develop appropriate treatment plans. She is also particularly interested in high blood pressure and high cholesterol management, as well as women’s health.

Outside of work, Abigail enjoys spending time with her friends and family. She and her husband have a beautiful, 7-month-old baby boy and a 4-year-old puppy they rescued from Korea. She likes to cook, entertain, and go on walks with her family.

Dr. Ryan Stilson, D.C. 

Dr. Stilson is a board-certified chiropractic physician, licensed by the Virginia Board of Medicine to practice in the state of Virginia.   Dr. Stilson is a graduate of Palmer College of Chiropractic in San Jose CA, and has been practicing for over 20 years since his graduation and completion of his National Board exams.  He recently moved to Northern Virginia after practicing in Napa, CA for over 18 years.   

His post-graduate studies include being a graduate of the Spine Research Institute of San Diego (SRISD) where he achieved multiple certifications.  The SRISD is a research organization comprised of medical doctors, chiropractors, engineers, auto-industry representatives, as well as, bio-medical experts -- all working towards the same goal of treating and preventing whiplash injuries (see www.srisd.com).  

He was also trained by the American Board of Independent Medical Examiners in the AMA Guides to Evaluation of Permanent Impairment; and spent over 15 years as California state, appointment Qualified Medical Examiner performing med-legal evaluations that helped injured workers receive appropriate and necessary medical treatment. (see www.aboem.org)   In particular, Dr. Stilson worked with serious disc injuries in California with a focus on both preventing the need for surgical intervention; but also helping those recover post-surgically (when conservative treatment failed).  He enjoys working with medical doctors of all specialties, and gladly accepts referrals from all MDs.  He appreciates this multi-disciplinary approach to helping the patient achieve their goals.  Historically, Dr. Stilson has always had MDs, physician assistants, nurse practitioners, registered nurses and other allied health professionals as his personal patients.  As a certified Dry Needling Specialist in Virginia, Dr. Stilson has found a new passion in providing an effective and unique line of treatment that compliments his traditional chiropractic methods (see www.ncbi.nlm.nih.gov/pmc/articles/PMC4458928)

He is currently pursuing a board certification with the American College of LIfestyle Medicine--an organization devoted to the treatment and prevention of chronic disease through lifestyle and nutrition modification. (see www.lifestylemedicine.org) And he utilizes these all-natural methods to help people change their health and life through an effective and safe weight loss program.  He is passionate about utilizing diet and nutrition as an effective approach to the treatment of chronic disease; to avoid invasive medical procedures; and to reduce or eliminate prescription drug use when possible (of course with the sage advice and co-management of the appropriate medical doctor).

On a personal level, Dr. Stilson is a former college level football player, and multi-sport athlete, who enjoys spending time with his wife Monica, daughter and son, Nadine and Drew, as well as, his two step-daughters Jessica and Priscilla (and to not forget, his 3 dogs, Kettlecorn, Lady and Tramp).  He particularly loves getting out-of-doors and into nature, whether it is through remote hiking adventures, fly-fishing, or just a day on the lake boating with his family.  His sports background led him to be asked to assist as a high school sports team physician, and he has worked with athletes of all levels to include professionals.  But he most enjoys helping the average individual and family, get well from their injuries; overcome their day-to-day back, neck, and headache pain; as well as, recover from any extremity conditions.  His goal is always the same--to help each patient return to their life's normal activities, work and hobbies; as well as, achieve a pain-free, healthy lifestyle.


Seol Yoon comes to us as a licensed Acupuncturist and Herbalist that is licensed in Virginia, Washington DC, and Maryland. She is a board certified diplomat in Oriental Medicine (Acupuncture & Chinese Herbology) from National Certification Committee of Acupuncture and Oriental Medicine (NCCAOM). She earned a Master’s degree of Acupuncture from Arirang University and she continues to have a formal working agreement with the University. Prior to her Acupuncture degree, she has completed a Master’s degree in Chinese Education and A Bachelor’s degree in Chinese studies from Korea. Seol Yoon has studied TCM (Traditional Chinese Medicine), is skilled in Korean SaAm Acupuncture and Tung’s Acupuncture which is known to be very powerful yet gentle. She is also trained Pattern Tongue diagnosis for customizing Acupuncture and Herbal medicine protocols.

Acupuncture aims to restore the natural balance of the body's Qi, and in effect the body heals itself in the process. Seol Yoon focuses on natural healing which is geared towards identifying and healing the root cause along with treating the symptoms of the health issue. Not only does she treat the health issue but would also educate patients on natural healing methods and herbal medicine to prevent future medical needs.

Seol Yoon welcomes all individuals in need of care for pain management, psychological disorders, women’s health issues and other barriers to optimum wellness. She also welcomes the collaborative use of western medicine and the use of natural healing methods of Acupuncture and Herbal medicine for the best result. 


Emily Chang is a licensed acupuncturist and a diplomat in acupuncture certified by the National Commission for Acupuncture and Oriental Medicine (NCCAOM).

Emily holds a degree of Masters of Acupuncture at Maryland University of Integrative Health (formerly Tai Sophia Institute) in Laurel, Maryland. Prior to acupuncture school, she went to Rensselaer Polytechnic Institute in Troy, NY and received Bachelor's degree in Chemistry.

She is now the (5) fifth generation carrying on the path of a healer, raised in a family practicing acupuncture and herbal medicine. Acupuncture and Oriental Medicine are holistic approaches to conventional Western Medicine and are marvelous holistic tools for the prevention, maintenance and treatment of various ailments and health problems. They offer safe and effective methods to balance the mind, body and spirit.

"My goal is to improve the health of my patients using the natural and proven methods of Oriental Medicine which help the body heal itself restore comfort, confidence and happiness in the patient. A unique treatment plan is designed for each patient to address his or her specific concerns I would like to assist you in your journey to the best possible health. I specialize in the treatment of chronic and acute pain management, in fertility, sinus problems, allergy, migraines, headaches, women's issues, psychological disorders, hormonal imbalance and immune disorders.”

She is active and proud partner of the American Pregnancy Association (APAP). The mission of the organization is to promote reproductive and pregnancy wellness.