Richard R. Rosenthal, M.D., LTD.

Welcome to the practice of
Richard R. Rosenthal M.D., LTD.
Allergy, Asthma and Immunology
Pediatric and Adult Care

Richard A. Nicklas, M.D.      Ana M. Saavedra-Delgado, M.D.      Richard R. Rosenthal, M.D., F.A.C.P.     Natalie Arias, F.N.P.

We are conveniently located in northern Virginia with offices in Fairfax and Reston.  All of our physicians are board certified specialists in allergy, asthma and immunology and are committed to providing personalized care for children (8 years and above) and adults with allergic conditions of all kinds.  Our services include the evaluation, care and management of allergic rhinitis (hayfever), sinusitis, asthma, hives, animal allergy, stinging insect allergy, food allergy and drug allergy.


Drs. Richard R. Rosenthal and Richard A. Nicklas once again were chosen as “Top Doctors” by area physicians in the biannual survey concucted by the Washingtonian magazine This survery is sent to 6,500 randomly selected area physicians asking them which doctors they would send members of their families to in each of 36 medical specialties. Washingtonian magazine then publishes the list of “Top Doctors” in a special issue.

 Contact Us

Richard R. Rosenthal, M.D., LTD.
8318 Arlington Blvd. Suite #308
Fairfax, VA 22031

1830 Town Center Dr. Suite #206
Reston, VA 20190

Fax 703-280-4650

Patient Portal (click here)

Asthma Control Test
To take an asthma control test click on the image below.

Call the office (703) 573-4440 and ask to speak to a nurse if your score is 19 or less.

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