Allergy and Asthma Center

Allergist located in McLean, VA

Due to the current COVID-19 pandemic, please do NOT come into our office if you are having signs or symptoms of a COVID-19 infection or have a known exposure to COVID-19. Please self-quarantine per CDC guidelines. Thank you. We want all of our patients and staff members to stay safe! Our staff are screening all patients, and we are all wearing masks and gloves. We require that ALL of our patients wear masks in our office.

For Telemedicine appts:

  1. Schedule regular appt online (under "Book Now") but put "telemedicine" under comments
  2. Complete new patient or established patient intake form and telemedicine consent forms
  3. Email the forms to
  4. At the time of your appt, go to: if your appt is with Dr. Wasan

**Less than a one month wait for food challenges! Schedule a consultation today!**


Register with Patient Fusion today!

Patient Fusion is a free, web-based online portal which allows patients to check their health records, view their appointments, and communicate via messaging with Dr. Wasan. Take the next step to enroll with Patient Fusion and manage your health! All you need is an email address to create an account, and our staff will give you a temporary PIN number to get you started. If you do not have an email address, we can create one for you. Inquire about getting started with Patient Fusion and our staff will be more than happy to assist you!

Create your Patient Fusion Account!



Hours by Appointment Only for Office Visit Patients. For Shot patients, please see calendar below.



Allergy Skin Testing

Allergy Skin Testing

Pulmonary Function Testing

Pediatric Skin Test

Eczema Management

Chronic Hives

Food Allergy

Sensitivity Management

Pet Allergies

Patch Test for Contact Dermatitis

Food Challenges

Meet Our Providers

Anita Wasan, MD, FACAAI,


Insurance Plans Accepted

An Important Note about Insurance Many insurance PPO and Medicare plans are accepted. This office is contracted with many plans but it is YOUR responsibility to call your insurance company and verify that we are in your network of covered physicians. This office is not contracted with: Medi-Cal any HMO HealthNet Blue Shield (Covered California, Mirrored, Exclusive Network, Off/On Exchange, Individual / Family Plans).


Words from our patients

  • Yelp

    "Dr. Wasan took the time to gather a good history and was supportive of my choice to use natural methods for easing my symptoms. I would definitely recommend!"

    Hannah L.
  • Yelp

    "She is incredibly thorough and invested in finding out what is causing my allergic reactions. She's really nice and listens to her patients and asks good questions."

    Megan V.
  • Google

    "Dr. Wasan asked a lot of questions, monitored results of medications, and developed a plan that got my son's eczema under control long-term for the first time ever."

    Verified Patient
  • Yelp

    "Dr. Wasan spends time with patients, counsels, and is smarter and more focused on understating the source of my food issues than even my gastro or primary care doctors."

    Anna B.