Fresno’s trusted allergy & asthma clinic led by Dr. Bashir. Serving Mayfair, Edison, Calwa, Malaga & Central California.
Sierra Allergy Asthma & Sinus Center is the right choice since it understands the frustration of recurring sneezing, wheezing, sinus congestion or allergic reactions. As your dedicated allergy and asthma specialist in Fresno, our promise is simple: expert care, tailored to you, so you can breathe more freely and live more fully.
Led by renowned allergist Dr. Muhammad Hassan Bashir, our Fresno clinic combines advanced diagnostics, personalised treatment plans, and compassionate support for patients of all ages. Whether you’re searching for an “allergist in Fresno”, “Fresno allergy and asthma doctor”, or “sinus and allergy specialist Fresno”, our team is here to help.
If you’re dealing with persistent allergies — seasonal, food-related, insect, drug or environmental — we provide detailed testing and evaluation to identify triggers. From skin tests to blood panels, we pinpoint the root cause so you don’t just treat symptoms but manage the condition.
As an asthma specialist in Fresno, our clinic offers a full range of services: diagnosis of asthma, personalized treatment plans, inhaler training, monitoring and proactive prevention to help you avoid flare-ups and regain control of your breathing.
Chronic sinusitis, nasal congestion, post-nasal drip and related issues often stem from underlying allergies or immune-system triggers. Our Fresno allergy clinic works with you to address those root causes — not just the surface symptoms.
For lasting relief from allergies, we offer immunotherapy options in Fresno — both shots and sublingual treatments — that help your immune system build tolerance over time and reduce dependency on medications.
Serious allergies to foods, medications or insect stings require advanced care and expertise. In Fresno, our clinic is equipped to evaluate, monitor, and manage these conditions with the utmost attention to safety and long-term quality of life.
Every visit to Sierra Allergy Asthma & Sinus Center is designed with your comfort, safety, and wellbeing in mind. Here’s what our patients love most about their care experience:
Relief you can feel
No more constant sneezing, wheezing or sinus discomfort. Our goal is for you to wake up refreshed and breathe without worry.
Confidence in care
With Dr. Bashir’s experience and our Fresno team’s dedication, you’ll receive credible, expert-led allergy care you can trust.
Support for your whole life
Allergy, asthma or sinus conditions don’t just affect your body — they affect sleep, energy, mood and overall wellbeing. We treat you, not just your symptoms.
Family-friendly clinic
From children encountering food allergies to adults managing chronic asthma, our Fresno allergy and asthma centre is designed for every stage of life.
Dr. Muhammad Hassan Bashir is a board-certified allergist/immunologist with over a decade of dedicated experience in the field. After completing his internal medicine residency at UCSF Fresno, he pursued an allergy fellowship at the Medical College of Wisconsin and at Stanford University. He brings both clinical excellence and a warm, patient-centered approach to every visit.
When you see “allergist in Fresno” on your search, Dr. Bashir’s name stands for trust, expertise and compassionate care.
Ready to take the next step? Call 559-369-4421 or visit our website to request your consultation at Sierra Allergy Asthma & Sinus Center. Let us help you find lasting relief from allergies, asthma and sinus conditions — and bring ease back to your everyday breathing.
While our main office is in Fresno, we proudly serve the surrounding Central Valley region — including Merced and nearby communities. If you’re searching for an “allergy specialist near Fresno”, “asthma doctor in Fresno area” or “sinus allergy clinic Central Valley”, we’re here for you.
