Asthma and allergies affect the lives of thousands of people in the Fresno and Visalia areas. If you’re one of them, it’s time to stop suffering and start breathing clearly once again.

The DeMera Allergy, Asthma & Immunology Center is committed to providing thorough, individualized allergy treatment care to every patient. Unlike other centers, we won’t simply continue prescribing you medications until we find one that works. We’ll take the time to diagnose you correctly, finding the root of your problem and treating it in the most effective way possible.

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Allergy & Asthma Report

Allergy-Asthma-Treatment-Fresno-Visalia

Pollen Allergy Forecast

Monday 12-5: Low
Tuesday 12-6: Low
Wednesday 12-7: Low
Thursday 12-8: Low
Friday 12-9: Low
Saturday 12-10: Low
Sunday 12-11: Low
From Weather.com for the greater Fresno Area

Daily Air Quality

Check Before You Burn

Daily Burn Info
Check Before You Burn contact number: (877) 466-2876
Based on Valleyair.org for the greater Fresno Area

Allergy & Asthma Report

Pollen Allergy Forecast

Monday 12-5: Low
Tuesday 12-6: Low
Wednesday 12-7: Low
Thursday 12-8: Low
Friday 12-9: Low
Saturday 12-10: Low
Sunday 12-11: Low
From Weather.com for the greater Fresno Area

Daily Air Quality

Check Before You Burn

Daily Burn Info
Check Before You Burn contact number: (877) 466-2876
Based on Valleyair.org for the greater Fresno Area

Referring Doctors

Please click here for a downloadable referral form. Fax form to: (559) 431-0301.

What Our Clients Say

Tori NolenTori Nolen
16:42 09 Aug 22
Friendly staff, no wait time, clean office and rooms, Dr. DeMera and Jennifer (the NP) really make kids and parents feel comfortable and supported.
Christina RouseChristina Rouse
19:37 07 Jul 22
Dr. DeMera and his team are spot on. They are very efficient and always friendly and helpful - even when I am getting stuck by needles. When I have an issue they are accommodating and get me in quickly. My favorite employee is the goose scaring faux coyote.
Sandra WilleySandra Willey
17:43 30 Jun 22
This is a great office. The staff are very helpful and the treatment is first rate. My friend needed to go to another appointment and come back to pick me up, and the staff made me welcome in the waiting room until she returned for me. Dr. Sherman is a wonderful Doctor. He cheerfully answers questions and I always learn something when I see him.
Ron RustigianRon Rustigian
17:55 11 May 22
Dr DeMera and staff are great. Excellent care very accommodating. Dr DeMera goes the extra mile to get to a diagnosis
Mallory MoadMallory Moad
16:47 06 May 22
I have been a patient of Dr. Demera for a few years and recently had the good fortune to become one of Dr. Sherman’s patients as well. Both doctors are competent, professional and personable. I have never been made to feel as if my questions are an imposition (I ask a LOT of questions), and I always get honest answers that make sense. Dr. Sherman is enthusiastic, obviously loves the work he does and cares about his patients as people, not dollars orminutes in an hour.
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DeMera-Allergy-Asthma-and-Immunology-Center

Fresno

540 E. Herndon Ave., Suite 101
Fresno, CA 93720
(559) 431-0340

Monday – Friday
8:00am – 5:00pm
Lunch: 12:00pm – 1:30pm

Visalia

206 N Santa Fe Street
Visalia, CA 93292
(559) 431-0340

Tuesday Only
Hours May Vary
Call to Confirm

Contact Us

Phone: (559) 431-0340
Fax: (559) 431-0301

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