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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
Colon Cancer Screening
According to the CDC, among cancers that affect both men and women, colorectal cancer is the second leading cause of cancer deaths in the United States. Every year, about 140,000 Americans are diagnosed with colorectal cancer, and more than 50,000 people die from it....
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8 Steps to Keep Your Colon Healthy
It is never too late to start caring for one of the most important organs of elimination of your body, the colon. The colon is one of the five major organs of elimination. Its main function is to rid your body of the leftover waste your body no longer needs. If your...
Holistic Nutrition: the “Dirty Dozen” Fruit and Vegetable List
The Dirty Dozen Fruit and Vegetable List by the Environmental Working Group comes out every year. Were you aware that non-organic fruits such as peaches, strawberries and imported grapes are some of the most contaminated produce you can buy? After analyzing over...
How to Quit Smoking: Naturally, Painlessly, and Successfully
It is possible to quit smoking naturally if the underlying nutrient deficiencies in the body are rebalanced. Nicotine, the addictive substance in cigarettes, is one of the most powerful poisons on earth. It's so toxic that as few as two or three drops of pure nicotine...
Allergies? Try Needle Free Allergy Testing and Treatment
Fatigue, headaches, sore throat... Have you had fatigue for over two months or on and off during the year? Do you have a rash, fatigue or sinus problems that suddenly occurred after moving into a new home? Do you have headaches that are unexplained? Do you have...



