8318 Arlington Blvd. Suite #308
Fairfax, VA 22031

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

Fax 703-280-4650

Dr. Richard R. Rosenthal, M.D.
Dr. Ana Saavedra-Delgado, M.D.
Dr. Richard Nicklas, M.D.
Amir Shahlaee, M.D.


Richard R. Rosenthal M.D., LTD.


6565 Arlington Blvd.
Suite 420
Falls Church, VA 22042
(703) 534-5500

6355 Walker Lane – Suite 307
Alexandria, VA 22310
 (703) 778-8201

John Simpson, M.D.
Christine Stabley, PA-C

Richard R. Rosenthal M.D., LTD.

Allergy, Asthma and Immunology – Pediatric and Adult Care

We are conveniently located in northern Virginia with offices in Fairfax, Reston, Falls Church and Alexandria. All of our physicians are board certified specialists in allergy, asthma and immunology and are committed to providing personalized care for children 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.

Dr. Rosenthal’s Channel 9 interview regarding “Surviving Allergy Season”

DoctorsRichard A. Nicklas, M.D. Ana M. Saavedra-Delgado, M.D. Richard R. Rosenthal, M.D., F.A.C.P.
Please see our Providers page for bios.

John Simpson, M.D.

Minoo McFarland, CFNP

Beginning November 2019

Christine Stabley, PA-C

Drs. Richard R Rosenthal, Richard A. Nicklas, and John A. Simpson have frequently been chosen as “Top Doctors” by area physicians in he biannual survey conducted by the Washingtonian Magazine.

This survey 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.