March 3, 2022

Please note:  Face Masks are still required to be worn in our office for anyone 

2 years and older.

Feel free to contact our office if there are any questions.

Thank you for your cooperation!  

Please take a moment to provide your experience with our office.  Your feedback not only helps us, it helps other potential customers.


Offering Food Oral Immunotherapy (OIT)

Helpful Links

We provided a list of informational websites that talk about Allergy, Asthma and Immunology.

Effective 9/1/21
Allergy Injection Hours will change:
Mon 8 - 11 and 12-4:30 (new)
Tues 9 - 11:30 and 1 - 4:30
Wed 7 - 11 and 12 - 4:30
Thurs 12 - 4 and 5 - 7:30
Fri   No Hours



We see patients of all ages and specialize and treat a wide variety of conditions.


See our Injection Hours and know about our requirements when visiting for an injection. 

Important Office

Our Doctors have the most up-to-date knowledge on conditions to better treat our patients.


Learn more about  Dr. Robert Zemble. Also, meet our highly qualified Nurses.

e-Prescribing Made Easy

Our office offers e-prescribing! Your prescription will be sent electronically - much quicker and more efficient! Please allow 24 hours for prescriptions to be forwarded to your pharmacy. Written prescriptions may be picked up or you may prefer to provide us with a self-addressed stamped envelope.


Providing you with the best physician for the best care

Robert M. Zemble, M.D.,

Robert Zemble, M.D. joined our practice in July 2009 and sees patients of all ages.  He is board certified in Adult and Pediatric Allergy and Immunology as well as Internal Medicine. Dr. Zemble received his training in Allergy and Immunology through the Hospital of the University of Pennsylvania and the Children's Hospital of Philadelphia.  He received his training in Internal Medicine at Columbia University's hospital, New York Presbyterian Hospital. He attended medical school at Temple University School of Medicine where he was a member of Alpha Omega Alpha Honor Society and received his undergraduate degree from Duke University where he graduated magna cum laude and was elected to the Phi Beta Kappa Honor Society.  Dr. Zemble is the current Chief of the Division of Allergy at Lehigh Valley Hospital.  In his free time, Dr. Zemble enjoys hiking with his wife Susanna, son Leo, daughter Eden.

The Staff

The Staff of Allentown Asthma & Allergy consists of highly qualified and experienced Registered Nurses, Medical Assistants and front office personnel.  Please do not hesitate to ask any one of us your questions - we are here to help!

Shirley Herr, PA-C

Shirley Herr, PA-C joined our practice in October, 2021. She is board certified through the NCCPA. Shirley received her Master's of Science in Physician Assistant Studies from King's College in Wilkes-Barre, Pennsylvania in 2021. She attended King's for her undergraduate degree of Bachelor's of Science in Medical Studies in 2020. She works alongside Dr. Zemble, seeing patients of all ages within the practice. In her free time, Shirley enjoys reading and spending time outdoors.