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National Integrated Health Associates (NIHA)
Holistic Integrative Medicine & Dental Center
Leaders in integrative and functional medicine and holistic dentistry, National Integrated Health Associates (NIHA) has been serving the Washington, D.C., Maryland, and Northern Virginia metropolitan area since 1995. Patients come from all over the United States to visit our cutting-edge holistic health care center.
NIHA’s integrative and functional medicine doctors and dentists blend the best of Western medicine and safe, natural therapies for comprehensive holistic treatment to help the body heal. Our practice is unique, offering a wide range of medical and dental services in one convenient location. Our professional health team includes integrative and functional medical physicians, holistic dentist, naturopathic physicians, and health professionals highly skilled in chiropractic, acupuncture, massage, IV therapies, and other healing therapies.
What Patients Say
Great office, best doctors. Dr Kalva is amazing to work with. Appreciate everyone here in the office, so helpful and kind.
Absolutely fabulous place. Best doctors ever.

I have been seeing Dr. Kannankeril for a few years and she is actively helping to get my body balanced and healthy. She listens, is knowledgeable, up to date with new treatments and excellent in her field. I always feel confident in her care that she is supporting me to great health in a personal way.
Dr. Kalva is an EXTRAORDINARY GEM of a doctor. HE IS ONE OF A KIND. He’s compassionate, warm, and highly skilled in functional medicine. He has great knowledge on thyroid issues and progressive treatment. He’s a wonderful communicator with teens and parents. We have been so blessed to find him. His care has been transformative for our family.
Dr. Coy Roskosky is the best Chiropractor I’ve ever been to! I even trusted him working on my children. My son played football and Dr. Coy help tremendously!
This is an excellent dentist office. After moving to the area, I struggled to find a great dentist. Most dentists in the area were still okay with mercury based fillings and routinely told me I had cavities when I suspected that was not true. NIHA provided a healthy experience and in my opinion are much more trustworthy.
Exclusive NIHA Articles
Why Is it So Hard to Lose Weight?
The short answer is…..because we assume it is due to excess calories and not enough exercise. And although these are factors, they are often not THE answer. It is also not about the total calories but rather, where the calories are coming from. In other words, what...
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Healing Beyond the Body – The Mind-Body Connection
Understanding the Mind-Body Connection In my workshops, I often show a picture by the famous visionary painter Alex Grey. I share an understanding of how an invisible underlying “energy grid” is directly linked to mind, emotions and the functioning of our physical...
7 Ways to Improve Your Dental Care
Oral Disease Affects Most Everyone NIHA dentists are often asked for the best ways to improve dental care. Dental diseases are very common and the most prevalent chronic infectious diseases in the world, affecting up to 90% of school children and the vast majority of adults.But, dental disease may be prevented by using products to […]
Beyond the Yeast Connection, a Treatment for Candida
The Yeast (Candida) Connection to Health Issues Recently, studies have shown that symptoms of autism, acne, mood swings, chronic fatigue, digestive problems, skin rashes, food allergies, urinary disorders, infertility, chemical sensitivities and a weakened...
Why Choose Pharmaceutical Grade Supplements
What Does "Pharmaceutical Grade" or "Physician Grade" Supplement Mean? All of the products the NIHA physicians recommend are hand picked by our doctors and practitioners for specific protocols. It is important to note that U.S. law requires the same level of quality...




