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Learn more about our experienced and caring team.

Dr. Sanford “Sandy” Avner founded Allergy & Asthma Care and Prevention Center, PLLC in 2004. He has been an allergy and asthma specialist in the greater Denver area for more than 30 years. MORE

Dr. Sanford “Sandy” Avner


Dr. Lora Stewart has been with Allergy & Asthma Care and Prevention Center for several years and has been a practicing allergist in the greater Denver area for over 10 Years. MORE

Dr. Lora Stewart


Kettie Meyer, PA

Hannah graduated in 2011 from Texas Tech University with a BS in Biochemistry. She went to Physician Assistant school at the University of Texas Medical Branch in Galveston, Texas. MORE

Hannah Long, PA


We are delighted to welcome you to our practice, and we are looking forward to meeting you! Here at Allergy & Asthma Care and Prevention Center, we are dedicated to providing exceptional care for your allergic and asthmatic health needs. When you contact our office, you will speak with one of our outstanding staff members who will assist in scheduling you to see one of our providers in a timely fashion. We are confident that the time spent in our office and with our staff will be a positive experience and beneficial to you and your family. Our physicians are board-certified allergist/immunologists and are experts in this field of medicine.

In closing, let us take this opportunity to tell you how pleased we are that you have chosen our practice. We hope to build a healthy relationship with you and your family and to address your allergy and asthma health needs.


Dr. Sandy Avner and Dr. Lora Stewart



Here you will find important patient resources. Please call us at 303-706-9923 with any questions.


Patient Portal

Pay Bill

pay my bill button

Local Pollen Count

Medical Record Release

If you would like to have your records released to you or sent to another physician, please print and fill out the records release form in the link below. This form can also be used to request that another physician’s office send medical records to our office. If you have any questions regarding this form please feel free to call our office. Completed records releases can be mailed to us, or faxed to (303)706-0904. Medical Records Release Form (pdf)

New Patient Information

Welcome to Allergy & Asthma Care and Prevention Center. We are so pleased that you have chosen our office to help you with your allergy and asthma health needs! Prior to your first visit, take some time to review the information below and complete the New Patient forms. Having this information prior to your visit will allow us to prepare more effectively for your time in our office. Please Read More  

Privacy Notice

AACPC Clinic Notice of Privacy- Revised 9/19/2013 This notice describes how your health information may be used and disclosed and how you can access this information. Please review it carefully. At AACPC we have always kept your health information secure and confidential, by law. The law requires us to maintain your privacy, to give you this notice and to follow the terms of this notice. Please Read More

Financial Policy

AACPC will bill my insurance provided all the necessary information is given to the clinic at the time of service.  This includes a valid, current insurance card.  If this is not available, I will be asked to pay all charges for the day’s visit before I leave the office.  AACPC will ask to see a copy of your insurance card at every visit to ensure that we have all of the proper billing data and that the card is current. Please Read More

Online Resources

The following page is a list of great online resources for information on allergy and asthma issues! Please Read More




Lone Tree Office (Sky Ridge Medical Center)

10099 Ridge Gate Parkway, Conifer Building Suite 400 Lone Tree, CO 80124
Phone: 303-706-9923
FAX: 303-706-0904

Office Hours

Monday 9 am – 12:00 pm and 1:30 – 6:00 pm
Tuesday 7 am – 5:00 pm
Wednesday 8 am – 12:00 pm and 1:30 – 5:00 pm
Thursday 9 am – 12:00 pm and 1:30 – 5:00 pm
Friday 7 – 11:00 am and 12- 4:00 pm

Northfield Stapleton Office

8340 E. 49th Ave., Bldg. K #2620 Denver, CO 80238
Phone: 303-706-9923

Office Hours:
Monday 2:30 – 6:30 pm

Click here for detailed directions to our Stapleton location!

Allergy Shot Hours

Feel free to come in for an allergy shot during the following hours:

Lone Tree Office (Sky Ridge Medical Center)

Monday 9 – 11:30 am and 1:30 – 5:45 pm
Tuesday 7 am – 4:30 pm
Thursday 9 – 11:30 am and 1:30 – 4:30 pm
Friday 7 – 10:30 am and 12- 3:30 pm

Please note: Effective August 1, 2016 we will open at 9 am on Mondays.

Please note: Effective October 1, 2016 we will open at 9 am on Thursdays.

Northfield Stapleton Office

Monday 2:30 – 6:00 pm

Please note: Effective September 1, 2016 we will be open 2:30 – 6:00 pm for allergy shots on Mondays.


Contact us with your questions.

10099 Ridge Gate Parkway Ste. 400, Lone Tree, CO 80124
Voice: 303-706-9923 Fax: 303-706-0904
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