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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
Holistic Pediatrician Joins National Integrated Health Associates
National Integrated Health Associates, NIHA, is pleased to announce that Rachel Cohen, D.O., holistic pediatrician, has joined the integrative medical team. Dr. Rachel Cohen is Board Certified in Pediatrics and a Doctor of Osteopathy, dedicated to helping children reach their fullest potential by focusing on holistic care and disease prevention.
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Limiting the Power of Sugar Addiction and Carbohydrates
Just about everyone knows that sugar is bad for our health, but during the holidays, it appears with more frequency and is difficult to avoid. In case there are readers who have missed out on this fact, I will provide you with the crash course to start off this...
3 Steps to Detoxify Your Body and Lower Your Toxin Load
What Does it Take to be Healthy in a Modern, Toxic World? We are lucky to be living in a fast paced modern world that has brought us so many amazing benefits. But, at the same time, we must take steps to detoxify the body of stored chemicals that we are constantly...
Is It a Big Deal That My Child is Overweight?
One in three American children are overweight or obese. It’s now common knowledge that childhood obesity has become an epidemic in our country. One in every three children is overweight or obese. While this issue has been getting less media attention recently, we don’t want to underestimate the looming health crisis that will result from such large numbers of children being overweight. We have already been seeing a staggering increase in common childhood illnesses, such as asthma and allergies, because of the increasing toxicity of our environment. Overweight and obesity add yet another burden to our children’s stressed systems.
Can Diet Affect ADHD?
Is there such a thing as an ADHD Diet? The answer is yes…and no. What this mean is this: a child’s diet is a critical piece in the treatment of ADHD. However, the right diet doesn’t treat just ADHD symptoms, but it makes the brain work better in general. So, an ADHD...



