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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
How a Healthy Mouth Promotes a Healthy Body
updated Nov. 20, 2024 Healthy Mouth, Healthy Body The health of the mouth is intricately connected to the overall health of the body. Recent studies show that plaque in the mouth from periodontal disease may increase the risk of heart disease and stroke. There is a...
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Other Factors to Consider in the Treatment of High Blood Pressure
Hypertension, or HTN, is a diagnosis for persistent high blood pressure. You may have received a diagnosis of hypertension (HTN) from your physician based on the numbers of your systolic and diastolic blood pressure readings. If there is no identifiable cause to...
Ask these 8 Questions Before You Vaccinate
Recently there was quite an uproar over a TV show done by Katie Couric on children who experienced negative reactions after receiving the HPV vaccine. Human papillomavirus (HPV) is a virus spread by sexual contact. The recommendation by the CDC (Center for Disease...
Heal Your Heart, and Your Body Will Follow
One of the first considerations and one of the most important elements of true and long-lasting healing is healing the heart. Our heart is our body’s ‘power center’ in terms of attempting any kind of healing. At any given time, as much as 95% of the ‘communication’...
Rebounder for the Lymphatic System…and Younger Skin
Could using a rebounder actually help the lymphatic system? A rebounder is a mini trampoline, an easy, gentle way of bouncing the entire body and supporting the lymphatic system by simply standing on the rebounder. As a massage therapist, there is one person in...




