Fresno 1: 5043 E. Cesar Chavez Blvd., Suite 104, Fresno, CA 93727
Fresno 2: 7407 North Cedar Ave Suite 102 Fresno CA 93720
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Merced Office: 105 W El Portal Dr, Suite B, Merced, CA 95348
Fresno Office: 5043 E Cesar Chavez Blvd, Suite 104, Fresno, CA 93727
Merced Office: 105 W El Portal Dr, Suite B, Merced, CA 95348

No more wheeze, no more sneeze

Your path to asthma, allergy and sinus wellness begins here

Our Stanford trained allergists and immunologists are dedicated to easing allergies and asthma for both children and adults, fostering a healthier, happier life for every member of the family.

No more wheeze, no more sneeze

Your path to allergy & asthma wellness begins here

Our allergists and immunologists are dedicated to easing allergies and asthma for both children and adults, fostering a healthier, happier life for every member of the family.

Your trusted companion in healthcare

Sierra Allergy Asthma and Sinus Center, located in Fresno and Merced, CA, wholeheartedly provides testing and treatment options for allergy, asthma and immunology disorders. Our personalized treatments and advanced testing ensure effective symptom management, while our compassionate support fosters a happier, healthier life for our patients.

Fresno office
Mon-Fri
09:00 am to 06:00 pm
Merced office
Mon-Sat
09:00 am to 06:00 pm
Best Asthma Care center - Sierra Allergy Asthma and Sinus Center Fresno

Your trusted companion in healthcare

Sierra Allergy Asthma and Sinus Center, located in Fresno and Merced, CA, wholeheartedly provides testing and treatment options for allergy, asthma and immunology disorders. Our personalized treatments and advanced testing ensure effective symptom management, while our compassionate support fosters a happier, healthier life for our patients.

Fresno office
Mon-Fri
09:00 am to 06:00 pm
Merced office
Mon-Sat
09:00 am to 06:00 pm

Ease Into Every Breath

Advanced asthma care for relief

We know how challenging asthma can be. Our advanced treatments and personalized allergy and asthma care plans are designed to help you breathe easier and live fully. From inhalers to biologics, we’re here to support you every step of the way.

If you’re in Fresno or Merced and need relief from asthma symptoms, trust our asthma center and our experienced allergists and immunologists to provide the compassionate care you deserve.

Ease Into Every Breath

Advanced care for asthma relief

We know how challenging asthma can be. Our advanced treatments and personalized care plans are designed to help you breathe easier and live fully. From inhalers to biologics, we’re here to support you every step of the way.

If you’re in Fresno or Merced and need relief from asthma symptoms, trust Sierra Allergy Asthma and Sinus Center to provide the compassionate care you deserve.

Highly skilled allergists

Live allergy-free with us

Allergies shouldn’t limit your life. We understand how challenging seasonal allergies, as well as drug, vaccine, and honeybee allergies, can be. That’s why we offer comprehensive testing and personalized treatments like oral drops and allergy shots to help you manage your allergies comfortably throughout the year.

Find caring support and lasting relief with our ENT allergy & asthma center.

Relief for You and Your Family

Live allergy-free with us

Allergies shouldn’t limit your life. We understand how challenging seasonal allergies, as well as drug, vaccine, and honeybee allergies, can be. That’s why we offer comprehensive testing and personalized treatments like oral drops and allergy shots to help you manage your allergies comfortably throughout the year.

Find caring support and lasting relief with Sierra Allergy Asthma and Sinus Center.

Book an online or in-person appointment!

Defeat Food Allergens for Good

Embrace a life free from food allergies

You deserve to live free from the constraints of food allergies. At our allergy, asthma and sinus relief center, we’re here to make that possible. Our compassionate food allergists understand the challenges firsthand and offer personalized treatment plans for you. We’re committed to supporting you every step of the way.

Experience relief with Sierra Center. Trust us to provide the care and expertise you need to live confidently and allergy-free.

Defeat Food Allergens for Good

Embrace a life free from food allergies

You deserve to live free from the constraints of food allergies. At Sierra Allergy Asthma and Sinus Center, we’re here to make that possible. Our compassionate team understands the challenges firsthand and offers personalized treatment plans for you. We’re committed to supporting you every step of the way.

Experience relief with Sierra Allergy Asthma and Sinus Center. Trust us to provide the care and expertise you need to live confidently and allergy-free.

Boost Your Immune System

Your shield against illness

In today’s world, a strong immune system is essential. Our allergy asthma care center offer thorough evaluations and personalized care plans to help you stay healthy and resilient.

Discover how Sierra Allergy Asthma and Sinus Center can strengthen your immune health and help you feel better soon.

Boost Your Immune System

Your shield against illness

In today’s world, a strong immune system is essential. We offer thorough evaluations and personalized care plans to help you stay healthy and resilient.

Discover how Sierra Allergy Asthma and Sinus Center can strengthen your immune health and help you feel better soon.

Gentle Relief for Skin Allergies

Caring treatment for your skin’s need

Your skin deserves the best care to stay healthy and radiant. At our asthma allergy and sinus center, our skin allergists specialize in wide-ranging skin health solutions tailored to your needs. Trust our experienced allergists to provide expert care and effective relief.

We offer personalized skincare plans and effective therapies to help restore your skin’s health and comfort. Schedule an appointment today to start feeling better.

Gentle Relief for Skin Allergies

Caring treatment for your skin’s need

Your skin deserves the best care to stay healthy and radiant. At Sierra Allergy Asthma and Sinus Center, we specialize in wide-ranging skin health solutions tailored to your needs. Trust our experienced allergists to provide expert care and effective relief.

We offer personalized skincare plans and effective therapies to help restore your skin’s health and comfort. Schedule an appointment today to start feeling better.

Dedicated allergist & immunologist delivering care

Muhammad Hassan Bashir, MD, is an eminent allergist and immunologist at Sierra Allergy Asthma and Sinus Center, renowned for his unwavering commitment to patient care and medical excellence. He completed his training in allergy and immunology at Stanford University Medical Center, further solidifying his expertise in the field. With nearly two decades of compassionate care, Dr. Bashir has helped countless individuals overcome their allergy and immunology challenges.
Dr. Hassan Bashir - Sierra Allergy Asthma and Sinus Center Fresno
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Why Choose Sierra Allergy Asthma and Sinus Center

We are dedicated to helping you heal, feel better, and live fully. Here’s why you should choose us:

Frequently Asked Questions

Allergists treat a wide range of conditions, including food allergies, seasonal allergies, asthma, eczema, and sinus issues. You can visit Sierra Allergy Asthma and Sinus Center for specialized care.
You should see an asthma doctor if you experience persistent wheezing, coughing, shortness of breath, or frequent asthma attacks that are difficult to manage.
Allergy specialists use skin prick tests, blood tests, and sometimes oral food challenges to diagnose allergies. These tests help determine specific allergens triggering your symptoms.
Yes, allergists can help treat chronic sinusitis caused by allergies or other immune responses. They may work closely with ENT specialists at Sierra Allergy Asthma and Sinus Center to manage your symptoms.
Many allergists are also trained in treating asthma since it is often linked to allergies. Visiting an allergy specialist or an asthma doctor at Sierra Allergy Asthma and Sinus Center can help you manage both conditions effectively.
Merced Office Open on Saturdays