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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
Natural Remedies for Food Poisoning
Food poisoning is a common illness in the body from consuming contaminated food or water but natural home remedies can help alleviate the unpleasant symptoms. Foodborne or waterborne microorganisms can cause vomiting, diarrhea, cramping, weakness, and can range from...
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Symptoms of PANDAS or PANS in Children
As a holistic & integrative pediatrician, I see many children with behavioral and psychological issues. A significant part of my evaluation for these patients includes a work up to see if there is the presence of PANDAS (Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcal Infections) or PANS (Pediatric Acute-onset Neuropsychiatric Syndrome). PANDAS is a complex disorder that can occur suddenly and appears to be more common in boys. The symptoms can be behavioral and physical, and can be debilitating.
Should You be Seeing a Chiropractor?
Chiropractic care can help your health tremendously! People are using chiropractic for medical conditions like back and neck pain, but they are also using it to treat a variety of other health issues like headaches, carpal tunnel, plantar fasciitis and temporal mandibular dysfunction (TMD).
Could Your Breakfast be Making You Fat and “Crazy”?
How Do You Start Your Day? As crazy as it might sound, your breakfast choices could not only be making you fat, but they could also be affecting your behavior on a minute-by-minute basis... making you seems "crazy" with erratic mood swings and behavior. If you...
The Power of Garlic, a Detoxification Super Food
Detoxification, or the process of removing the unneeded “bad stuff” from the body, is a key component to health and longevity. Living in the modern world, we are exposed daily to a variety of chemicals and substances that are not beneficial to the body, and may be harmful. Pesticides, chemicals and radiation can be found in air, water, food, personal care products, cleaning products and more. Home and work environments are air-tight and filled with wireless tvs, computers, cell phones, routers and smart meters. Technology changes so rapidly that we are not able to assess the long term effects of all this exposure to the human body.




