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Clinic Type

Allergy and Immunology

Address

1250 S. Sunset Ave Suite 340, West Covina, CA 91790; 94 N Madison Ave, Pasadena, CA 91101

Phone

6266038430

Email

Opening Hours

Not published — contact the clinic to confirm hours.

Telehealth

https://www.treatyourallergy.com/telehealth

Services Offered

  • Allergy testing
  • Immunotherapy
  • Asthma
  • Chronic cough
  • Food allergies
  • Nasal allergies
  • Itchy eyes
  • Skin allergies
  • Drug allergies
  • Insect allergies
  • Patch testing
  • Allergy management

Technology & Equipment

  • Skin patch testing
  • Comprehensive allergy testing
  • Immunotherapy

Team

  • Claire Smigiel, MD — MD (Allergy/Immunology)
  • Erica Chen, MD — MD (Allergy/Immunology)

Insurance & Payment

Languages Spoken

FAQs

What ages does the practice treat?

The practice provides care for patients ages 12 and older.

What symptom types do you help identify and treat?

Underlying causes of common allergy and asthma symptoms such as chronic cough, stuffy nose, wheezing, shortness of breath, itchy eyes, and skin rashes.

What testing do you perform?

Comprehensive allergy testing, including extensive skin patch testing.

What conditions do you specialize in?

Diagnosing and treating food allergies, nasal allergies, drug and insect allergies, skin allergies, and asthma.

Do you offer immunotherapy?

Yes, immunotherapy is offered to assist with allergy relief.

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Practice website (treatyourallergy.com): 4.91 out of 5 stars (218 reviews)

Patients praise

  • Professional and knowledgeable staff and doctors
  • Caring and good listeners
  • Helpful and efficient office staff
  • Patient and thorough communication regarding treatments

"Dr. Smigiel is caring, professional, knowledgeable, a good listener, and provides good advice. And clinic staff are friendly and helpful. I feel blessed."

Practice website testimonial

"Dr J.Ang is excellent, very knowledgable very personable, listens to patients, and very understanding."

Tebra patient review

Synthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 10, 2026.

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