Contact Us

In case of an emergency, please call 911 right away.

Text or Call:

(484) 897-7143

Fax Line:

(484) 328-6491

Office Hours:

Mon: 10 AM – 7 PM
Tue to Thu: 8 AM to 5 PM


310 Exton Cmns, Exton, PA 19341
Link to Directions

We look forward to assisting you.

Due to privacy concerns, please directly text our office or securely message us through Spruce Health or scan QR code below. Replied promptly during office hours.

Keystone Allergy and Asthma Center is conveniently located near Exton Mall and Whole Foods in Exton Commons professional condo complex off Route 100.


Link to Directions

General FAQs

What insurances are currently accepted?

Please see our insurance and billing section

Insurance and Billing Information

Referral Information?

Fax referral to: (484) 328-6491.

Please see our referral information section

Referral Information

Billing Questions?

Please see our insurance and billing section

Insurance and Billing Information

Want to pay your bill online?

Have medical question or concern after office is closed?

**If you are dealing with a medical emergency, PLEASE CALL 911 FOR IMMEDIATE ATTENTION.**

If you have a time-sensitive or urgent concern and would like to speak with the on-call provider, you may page oncall provider. Please note there may be a charge for this service, and your account may be billed.

If you have a non-urgent medical question that arises after-hours and can wait at least one business day for a response, you may leave a message by phone or send text message through Spruce Health.

If you are requesting a prescription refill outside of office hours, please call your pharmacy.

What is your cancellation policy?

To cancel an appointment, please call the office 24 hours prior to your appointmentstating the patient name and date of birth in your message  to assure that we can cancel the correct appointment. Thank you!

If you miss your appointment or cancel with inadequate notice, you may be charged a $45 cancellation fee.

We understand that circumstances may arise beyond your control and appreciate you communicating with our office as soon as possible. 

Do you have a patient portal?

One of the best way to communicate with our office is using Spruce Health app.  It is HIPAA compliant and secure way to communicate with office. We will promptly reply back or call you during our office hours.

Serving Areas

Our serving areas. We welcome new patient.

Exton, PA
Lionville, PA
Chester Springs, PA
West Chester, PA
Downingtown, PA
Phoenixville, PA
Coatesville, PA
Thorndale, PA
Fraser, PA
Thorndale, PA
Malvern, PA
Paoli, PA
Glen Mills, PA
Ludwig’s Corner, PA