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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
Rerouting the Brain – The Power of Changing Your Mind
Updated Nov. 20, 2024 The Power of Changing Your Mind First, a Short Story When I was in medical school in Vienna, Austria, our professors told us that the brain stops growing after 24 years of age. Whatever you have by then- that was what you would have for the rest...
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Vitamin D for Disease Prevention and Optimal Health
Vitamin D is a crucial nutrient for your health at every age. In fact, the illnesses associated with vitamin D deficiency are numerous. Recent studies on vitamin D reveal the hazards of D-deficiency and the benefits by maintaining an optimum level: Vitamin D...
The Cheapest Cure for Anxiety
Almost daily, a patient will tell me a list of complaints with anxiety being included 90 percent of the time. Often, it is dismissed by the patient and his or her former doctors as a personality trait, a problem that has been with the patient for so long they have...
How to Live Clean
Live Clean with Simple Changes for a Healthier Life January is a great time to think about living a healthier, cleaner lifestyle. One of the best ways to start a new year is a nice detoxifying cleanse. A cleanse removes the "bad stuff", or the toxins from your...
My Favorite Holiday Pomegranate Salad Recipe
My Favorite Holiday Pomegranate Salad! It is also the easiest salad I make all year long. Bring this special holiday salad to your gatherings this year, and enjoy the compliments! Holiday Pomegranate and Fennel Salad Recipe 1 or 2 fennel bulbs: Slice the white...



