Allergy and AsthmaCare, Inc.

Shalla H. Khan, MD, Diplomate A.B.A.A.I.



About the Doctor


Dr. Shalla Khan is a dedicated board certified specialist in Allergy, Asthma, and Clinical Immunology.  She sees  children and adults.   After obtaining her medical degree from King Edward Medical College in Pakistan she completed her residency in Pediatrics at Albert Einstein Medical Center in Philadelphia, PA, followed by  an Allergy, Asthma and Clinical Immunology Fellowship  from Thomas Jefferson University Hospital in Philadelphia, PA. She has been in private practice since 1994.



A Promise


We promise to provide high quality comprehensive and compassionate care to all adult and pediatric patients for:

  • Nasal allergies
  • Hay Fever
  • Post nasal drainage
  • Sinus problems
  • Food allergies
  • Skin rashes
  • Poison Ivy
  • Eczema
  • Asthma/Wheezing
  • Medication allergy
  • Insect sting allergy
  • Headaches
  • Chronic cough

Services provided include:

  • Allergy testing: environmental, foods, and medications
  • Lung function test
  • Rhinoscopy
  • Comprehensive treatment of allergies with medications and/or allergy injections
  • Venom Immunotherapy for insect sting allergy

Most insurances are accepted.  Please call one of our locations for more information.

No prolonged waiting period for appointments.  Same day appointments maybe available. 


Locations and Office Hours



Monday and Tuesday.  10:00 am to 5:00 pm

1130 Professional Court

Off Eastern Boulevard

Hagerstown, MD 21740

(301) 739-2249




Wednesday and Thursday.  10:00 am to 5:00 pm

604 Solarex Ct., Suite 206

Frederick, MD 21703

(301) 663-0006



Friday.  10:00 am to 5:00 pm

849 Quince Orchard Blvd., Suite B

Gaithersburg, MD 20878

(301) 527-9464