Best Allergists & Immunologists in Exton
Heallexa lists 8 allergists & immunologists in Exton, . Compare credentials, listed insurance, and patient reviews side by side — free, no signup.
8 allergists & immunologists in Exton

Keystone Allergy And Asthma Center PC
4.5Keystone Allergy And Asthma Center PC · Allergy & Immunology Physician
310 Exton Commons(610) 890-9990
Allergy & Asthma Center
4.5Allergy & Asthma Center · Allergy & Immunology Physician
108 John Robert Thomas Drive(610) 363-0907
Guillermo R Juncos, MD
4.5Guillermo R Juncos · Allergy & Immunology Physician
80 W Welsh Pool Rd(610) 363-7244
Mahmoud Kamal Effat, MD
4.5Mahmoud Kamal Effat · Allergy & Immunology Physician
108 John Robert Thomas Dr(610) 363-0907

G.R. Juncos, MD. P.C.
4.5G.R. Juncos, MD. P.C. · Allergy & Immunology Physician
80 W Welsh Pool Rd(610) 363-7244
Alexander C. Keszeli, DO
4.5Alexander C. Keszeli · Otolaryngic Allergy Physician
111 Arrandale Blvd(610) 363-2532
Allergists & Immunologists in Exton by insurance
These providers list this insurance as accepted, but coverage should be confirmed directly with the provider before booking.
Allergists & Immunologists in nearby cities
Same specialty in cities near Exton — useful if your insurance network extends across the metro.
About finding an allergist or immunologist in Exton
Exton has allergists & immunologists practicing across hospital systems, group practices, and independent clinics. When choosing an allergist or immunologist in Exton, the three factors most patients care about are: insurance acceptance, distance from home or work, and patient reviews. Heallexa shows all three on every listing so you can compare without clicking back and forth.
Many Exton allergists & immunologists list major insurance plans including Blue Cross Blue Shield, Aetna, UnitedHealthcare, Cigna, Humana, and Medicare. Listings reflect what providers have indicated they accept — always confirm in-network status directly with the office before booking. Out-of-network visits can cost 3–5× more than in-network ones.
Common questions about allergists & immunologists in Exton
What should I ask an allergist or immunologist in Exton before booking?+
Confirm three things: (1) they currently accept your specific insurance plan and network tier, (2) the office location and parking, and (3) typical wait times for new-patient visits.
Is telehealth available with Exton allergists & immunologists?+
Many Exton allergists & immunologists offer telehealth visits, especially for follow-ups, prescription refills, and consultations. Look for the telehealth badge on each profile.
How are these Exton allergists & immunologists verified?+
Every listing on Heallexa is matched against NPI records and state license databases. Credentials, board certifications, and active license status are surfaced on each profile.
Is Heallexa free for patients in Exton?+
Yes. Searching, comparing, and contacting Exton allergists & immunologists on Heallexa is 100% free for patients. We don't charge booking fees or sell your search data.