The 10 best-rated allergy testing clinics in Garden Grove, CA average 4.9★ on Google across 1,728 reviews. Modena Allergy + Asthma - Torrance has the top rating (5.0★), and Song Institute of Allergy, Asthma and Immunology has the most reviews (403). Updated October 25, 2026.
10 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (1,728 reviews combined) and currently operating. Request a call back and the company will phone you directly.
“First appointment today. Staff was great. Dr. Wong was excellent. Everything was well organized. Very generous with their time, not rushed. Thoughtful, and explained things well. Overall excellent experience.” — Google review
“She is one of the most thorough doctors I have ever been to. Three of my kids see her. Expect the first appointment to take longer than usual because she doesn’t rush you, asks a lot of questions and explains…” — Google review
“After 5-+ years in the program my son has beaten his anaphylactic dairy allergy. We could not be more grateful for this program!!!” — Google review
“My first visit was very good. I waited less than 10 minutes to be called in.<br>The front desk personnel was professional and kind. The PA was also very nice and knowledgeable.<br>I have to return to have them…” — Google review
“I am still in the middle of treatment but I wanted to leave a 5-star review for Dr. Schoettler and Diana and team. Lovely folks genuinely willing to help. No fluff! Thank you guys.” — Google review
“Highly recommend!! I’ve had the best experience with Dr. Ziyar and refuse to see anyone else. Where other specialists have failed me, Dr. Ziyar has given me hope again. I came in with a ton of questions and he has…” — Google review
“Dr. Basen is patient and cordial. He takes his time to explain my treatment for allergies. The treatment has significantly reduced my symptoms. His staff has always been friendly and competent.” — Google review
“This is the 5th visit for an Aqua Gold facial treatment during the past 12 months. I will schedule to have this treatment done every 60 days in the future. It REALLY works great, putting it mildly.” — Google review
“1st time at this facility PA Hope to be very pleasant she took time to explain procedures. Also the medical assistance at the front desk were very professional especially on the phone. Also the waiting room was very…” — Google review
“Dr. Friedman spent a significant amount of time with me to determine what my issue is. He kept asking questions as to not miss anything. I felt like he truly cared about what is going on in my system and felt that…” — Google review
We scan Google Maps for allergy testing clinic listings in and around Garden Grove, keep only open businesses whose main category matches the service, and require a Google rating of at least 4.5 from at least 20 reviews. Companies are ordered by a confidence-weighted score that balances rating and review volume. We do not accept payment for placement.
Modena Allergy + Asthma - Torrance has the highest Google rating on our Garden Grove list: 5.0 out of 5 from 90 reviews (as of October 25, 2026).
Song Institute of Allergy, Asthma and Immunology has the most Google reviews among the companies listed here: 403, with a 4.9★ average.
Only open Garden Grove-area businesses whose Google category matches the service, rated at least 4.5★ from at least 20 Google reviews. They are ordered by a confidence-weighted score of rating and review volume. Placement is never paid.
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