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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
The Art of Hormone Balancing
Hormones work together like a beautifully choreographed dance. The thyroid hormones, the adrenal hormones and the sex hormones (estrogen, progesterone, and testosterone) need to be in balance with each other for optimal functioning. Treating a sluggish thyroid is...
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What To Do in a Dental Emergency
When should I call the dentist?
What is a dental emergency?
At Holistic Family Dentistry at National Integrated Health Associates, we get this question all the time, so we thought it would be a good idea to tell you what constitutes a “dental emergency.”
Are You Making One of These 3 Health Mistakes?
These 3 health mistakes are common and can hurt your health. Life certainly doesn’t come with a guide book and we all do the best we can with the tools we have. That said, when we see a better way or when we gather more information we are inspired to make changes....
Doctor, What Supplements Do I Take?
Most people believe symptoms are the disease so they often take drugs, herbs or supplements to suppress symptoms in the false belief that a medical or psychiatric problem is resolved if symptoms disappear. These myths may stem from deep, unconscious fears handed down...
Holistic Primary Care Approach to Digestive Health
Did you know that 70 -80 % of your immune system is in or around the digestive tract? It’s true. Now consider what would happen to your health if the digestive tract were compromised. Malnutrition and lowered immunity would become a real health concern. There are...




