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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
The Art of Staying Sane in a World in Upheaval
Steps to Help Us Stay Sane A little more than two weeks ago we all felt safe! (More or less). Suddenly, and seemingly, out of nowhere, “unseen forces” e.g., COVID, has threatened not only our physical health but also our economic foundation. Almost from one day to the...
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Improving Our Indoor Environment: The Power of Plants
During this time of social distancing, most of us are spending much longer periods of time indoors, inside our homes. As a pediatric physician, I always recommend spending as much time as possible in nature, but not every family has the benefit of a backyard that’s...
Golden Turmeric Milk Recipe
Golden Turmeric Milk is one of my favorite recipes for a night time drink, other than hot tea. It is comforting and soothing at night and very nutritious. Nothing compares to the smell of turmeric milk warming up on the stove. Turmeric contains antioxidants and...
25% of Teenagers are Doing What?!
It’s common knowledge that adolescence is characterized by risk-taking behaviors and experimentation. As a parent, you try your best to warn your adolescent children about the dangers they may face, especially regarding drug and alcohol abuse. One type of drug use that is less commonly recognized is prescription drug abuse. In fact, after marijuana, prescription drugs are the most commonly abused drug by teenagers. Nearly 50% of Americans take at least one prescription medication, and the sale of prescription painkillers quadrupled from 1999 to 2010. Therefore, prescription medications are readily accessible by children and teens. It’s estimated that 25% of teenagers has misused or abused a prescription drug at least once in their lifetime. One disturbing risk taking trend in regard to prescription drug abuse is for teens to gather for what’s called pill parties, or “skittling.” In these settings, kids are encouraged to bring any pills they can find, and then the pills are dumped into a bowl for them to sample. The risks are very high, given that the child may be taking a very dangerous medication, and is also mixing medications together. These types of gathering have resulted in significant illness and even death for some teens.
Go Back to the Basics with Chiropractic Care
As a physical medicine doctor of 15 years I have seen a lot of patients that have presented with various levels of pain and musculoskeletal problems. Some as simple as low back pain as the result of shoveling snow, to as complicated as having Lyme disease/low thyroid/ chronic inflammation/ shoulder pain all layered on each other, never knowing what is the real cause of their physical pain. Somehow, in any of these cases, there needs to be a point where the basics of physical health are incorporated into daily living. Along with proper treatment, this will set the foundation for healing and get a patient back to a better state of health from when they first came in. In sports, when a team is doing poorly many times the coach will take the team back to drills they learned as a kid to reinforce the basics of the sport. This allows the team to return to “the basics” of being successful and winning games. The same thing has to happen when restoring the physical body to the way it is supposed to move and feel.




