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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
Meditation, Calming the Brain for Optimal Health
Updated Nov. 20, 2024 Meditation works as a powerful tool to balance the emotional brain and improve our optimal health. It helps us learn to be present in our day-to-day lives. I learned about meditation over 40 years ago. It has changed my life from the first day...
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How to Avoid Dental Trauma
Dental trauma is very common, especially among children. Dental trauma is defined as injury to the teeth, gums and the other structures that keep your teeth in place, and the accompanying oral soft tissue structures like the tongue and lips. One of the best ways to avoid dental trauma is by using a mouth guard.
A New Dental Weapon to Help Prevent Cavities
Plaque Causes Tooth Decay Dentists are asked nearly every day how to prevent cavities and what can be done to prevent future dental decay. The inability to remove the plaque (90% bacteria) from teeth is the cause of decay on your teeth. The bacteria in the...
What is Colonic Therapy?
Colonic therapy goes by many names, such as: colon hydrotherapy, colonics, colon cleansing, colon indignation, high enemas, and colon therapy. A toxic bowel is the source of many health problems. Colonics rejuvenate every cell of the body. Colonic sessions hydrate and cleanse the colon, exercise the colon muscles, and stimulate reflex points. In addition, colonic therapy helps cleanse the blood, release toxins, build up the immune system, and rehydrate the whole body.
5 Toxic Food Choices and Simple Ways to Trade Up
Toxic food choices can harm our health over time. Over the past few decades, a lot has changed about food and about our food choices. The food industry is constantly trying to keep up with our changing lifestyles by offering us foods that are easily eaten on the run,...



