Fresno’s trusted allergy and asthma clinic, led by Dr. Bashir and serving Mayfair, Edison, Calwa, Malaga, and the greater Central California area. Sierra Allergy is a leading allergist in Fresno offering allergy testing, immunotherapy shots and drops, asthma treatment, food allergy challenges, and spirometry at our North Fresno location on 7407 N Cedar Ave #102. Same-week appointments are available.
Sierra Allergy Asthma & Sinus Center is a trusted choice for patients dealing with sneezing, wheezing, sinus congestion, and allergic reactions. As a leading allergist in Fresno, we provide expert allergy and asthma care designed to address the root cause of your symptoms and help you find lasting relief.
Led by Dr. Muhammad Hassan Bashir, our Fresno clinic offers advanced diagnostics, personalized treatment plans, and compassionate care for patients of all ages. If you are searching for an allergist in Fresno, a Fresno allergy and asthma doctor, or a sinus and allergy specialist in Fresno, our team is ready to help.
At our Fresno clinic, we provide complete allergy, asthma, and sinus care under one roof. Our services are designed to help you identify triggers, manage symptoms, and find lasting relief through personalized treatment plans.
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 testing to blood panels, our Fresno allergy team gets to the root cause so you can move beyond symptom relief and toward effective long-term management.
Our Fresno asthma care services include diagnosis of asthma, personalized treatment plans, inhaler instruction, ongoing monitoring, and flare-up prevention. Whether your asthma is mild or more severe, we work closely with you to help improve control and make breathing easier.
Many cases of chronic sinusitis, nasal congestion, and post-nasal drip are linked to underlying allergies or immune-related triggers. At our Fresno clinic, we work to identify the cause of your symptoms and create a treatment plan that addresses the problem at its source.
For lasting relief from allergies, we offer immunotherapy options in Fresno — allergy shots and sublingual treatments — for patients looking for long-term relief. By helping your immune system build tolerance over time, immunotherapy can reduce allergy symptoms and make daily management easier.
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.
Relief you can feel
You do not have to keep dealing with constant sneezing, wheezing, or sinus discomfort. Our goal is to help you wake up feeling better, breathe more easily, and regain control of your daily life.
Confidence in care
With Dr. Bashir’s experience and the dedication of our Fresno team, you receive expert-led allergy care you can trust. We take time to explain your condition and guide you through every step of treatment.
Support for your whole life
Allergy, asthma, and sinus conditions can affect sleep, energy, mood, and overall wellbeing. We focus on treating the full impact of your symptoms, not just the surface problem.
Family-friendly clinic
From children with food allergies to adults managing chronic asthma, our Fresno allergy and asthma center is designed to support patients at every stage of life. We provide care that is approachable, personalized, and built for families.
Dr. Muhammad Hassan Bashir is a board-certified allergist and immunologist with over a decade of dedicated experience. After completing his internal medicine residency at UCSF Fresno, he pursued advanced allergy and immunology training at the Medical College of Wisconsin and Stanford University. He brings both clinical excellence and a warm, patient-centered approach to every visit.
When patients search for an allergist in Fresno, they choose Dr. Bashir for his trusted expertise and compassionate care that helps them breathe easier every day.
Ready to take the next step? Call 559-369-4421 or visit our website to request your consultation with a board-certified allergist in Fresno at Sierra Allergy Asthma & Sinus Center.
Dr. Muhammad Hassan Bashir is a board-certified, Stanford-trained allergist at Sierra Allergy Asthma & Sinus Center and one of the most trusted allergists in Fresno. He provides personalized care for allergies, asthma, and sinus conditions to patients throughout Fresno, Clovis, and the surrounding Central Valley communities including Pinedale, Calwa, Sunnyside, Mayfair, and Muscatel — helping them breathe easier every day.
We treat a wide range of allergy and respiratory conditions, including seasonal allergies, asthma, sinus infections, eczema, food allergies, drug allergies, and insect sting reactions. Our Fresno allergy clinic helps both children and adults find lasting relief from allergy and sinus symptoms.
At our Fresno allergy testing center, we offer skin prick tests, blood (IgE) tests, and patch testing to identify triggers such as pollen, dust mites, mold, pet dander, and foods. Dr. Bashir uses these results to create targeted treatment plans that bring long-term relief.
Yes. Our clinic is led by an experienced asthma specialist in Fresno, offering complete evaluation and management plans. We perform spirometry (lung function tests), prescribe effective medications, and provide personalized asthma action plans for better control and easier breathing.
Immunotherapy—often known as allergy shots or sublingual drops—helps your body build tolerance to allergens over time. It reduces allergic reactions, minimizes symptoms, and can prevent the need for long-term medication. We offer allergy immunotherapy in Fresno and Clovis for both adults and children.
Absolutely. Dr. Bashir provides gentle, family-centered care for children with allergies, food sensitivities, and asthma. Our pediatric allergist in Fresno helps young patients manage triggers safely and build lifelong habits for better breathing and wellness.
Our main office is in Fresno, but we proudly serve patients from Clovis, Pinedale, Calwa, Malaga, Mayfair, Muscatel & Central California. Wherever you live in the Central Valley, you can count on us for expert allergy and asthma care close to home.
Before your appointment, make a note of your symptoms, medications, and known allergy triggers. Avoid taking antihistamines for at least 3–5 days before your visit if possible. Our Fresno team will guide you through every step to ensure accurate allergy testing and diagnosis.
Yes. Allergy shots at Sierra Allergy Asthma & Sinus Center are safe, FDA-approved, and administered by medical professionals under close supervision. Dr. Bashir monitors every patient carefully to ensure the process is comfortable and effective.
You can easily schedule an appointment by calling (559) 369-4421 or submitting a request through sierraallergy.com. Whether you’re in Fresno, Clovis, or Merced, our friendly staff will help you get started with professional allergy, asthma, and sinus care.
