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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
4 Lab Tests to Assess Your TRUE Cardiovascular Risk
These 4 lab tests for cardiovascular risk will give a better picture of what your risk factors for heart disease or stroke. Let's delve deeper into your true health - starting with your heart health. Your current blood tests may not be enough to give an accurate...
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How Chronic Inflammation Affects the Body
Chronic inflammation can play a major role in the development and progression of disease. If the cause of inflammation is not identified and treated properly it can have deleterious effects on the body in general and can lead to premature aging. A functional medicine...
Cultured Vegetables: an Old Fashioned Secret for a Healthy Gut
Cultured and fermented foods have been around for a long time, initially as a means of preserving food, but it turns out there is a wonderful healing benefit to this process. Foods were put in a jar and stored in a cellar for a period of time where they fermented, or...
Chinese Medicine and the Spring Tune Up
Chinese Medicine for Seasonal Changes Chinese Medicine is unique in that practitioners of the classical way take into account the seasonal shifts in our treatment strategies. For example, we are moving out Winter, the time of hibernation, quiet and storage, into a...
How Young Do You Want to Look? AGE’s Affect Aging
AGEs and Aging AGEs are harmful compounds that affects aging. High blood sugar contributes to accelerated aging as more AGEs are formed. AGE’s is short for Advanced Glycation End products which are compounds formed when sugar in the bloodstream reacts with protein or...




