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Expert Sinus & Allergy Care in Idaho
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Welcome to Sinus Center - Idaho
Treating Sinus Patients for Over 25 Years
Sinus Center - Idaho is the first and only sinus care clinic in the Treasure Valley; founded by Dr. John Boyajian in 1999. We specialize in diagnosing & treating sinus conditions, offering quality care & education to help you manage sinus issues & breathe easier.
Our central office location is across from St. Luke's Meridian near I-84 and Eagle Road, with a second location in Nampa. We proudly serve Boise, Meridian, Nampa & the surrounding area.
How we can help

Allergy Diagnosis and Treatment
Allergies can cause inflammation, nasal congestion, sneezing, and fatigue, significantly disrupting your daily life. Left untreated, allergies may lead to chronic sinus infections or worsen respiratory issues like asthma.
What We Offer:
- Comprehensive allergy testing to identify your triggers.
- Sublingual immunotherapy for long-term relief.
- Personalized treatment plans to reduce symptoms and restore comfort.

Meet Our Staff
What our customers say
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Still have Questions?
If you didn’t see your question here or need more information, don’t hesitate to reach out. Call us at 208-433-9300—we’re here to help you take the next step toward better breathing and improved health.