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Clinic Type

Allergy and Asthma

Address

3249 North 1200 West Lehi, UT 84043

Phone

//801-357-1270

Email

intermountainnews@imail.org

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Allergy & immunology
  • Allergy testing
  • Pulmonary function tests
  • Immunotherapy
  • Biologic therapies
  • Medication management

Technology & Equipment

  • state-of-the-art facility
  • cutting-edge technology

Team

  • Jeremy S. Llewellyn, Nurse Practitioner — NP
  • J. Thaddaeus Abbott, Board-certified allergist and immunologist — MD

Insurance & Payment

Languages Spoken

Current Offers

New Patient Offer

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • doctors.intermountainhealth.org (Lehi Clinic Allergy and Asthma listing): 4.6 (321 ratings, 14 reviews)
  • doctors.intermountainhealth.org (Jeremy S. Llewellyn, NP): 4.8 out of 5 (72 ratings, 6 reviews)
  • doctors.intermountainhealth.org (J. Thaddaeus Abbott, MD): 4.6 out of 5
  • reviews.birdeye.com (J. Thaddaeus Abbott, MD): 4.3 (33 reviews)

Patients praise

  • Helpful, patient, and kind clinicians
  • Good diagnostic confidence and listening to concerns/questions
  • Efficient experience with little to no wait and clear care plans
  • Allergy meds/treatment solutions that address patient concerns

Common complaints

  • Rude or unhelpful staff and wasted appointments
  • Dismissive/brushed-off concerns or lack of an effective life-plan for severe asthma
  • Condescending/low empathy complaints
  • Negative customer-service-style experiences reported for Intermountain Health generally
  • Billing/customer service issues reported at organization level (not specific to allergy/asthma clinic)

""the nurse was very rude, unhelpful, would not honor appointment made. Wasted my time and effort. Very disappointed- go elsewhere.""

localitybiz.com review excerpt under Lehi Clinic Allergy and Asthma

""Jeremy has always been a delight to work with. My son really connected with him""

doctors.intermountainhealth.org provider review snippet for Jeremy S. Llewellyn, NP

""The allergy clinic is very accommodating and efficient.""

Birdeye review excerpt for J. Thaddaeus Abbott, MD

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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Lehi, UT·Allergy and Asthma

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Summary: Revere Health is a large, independent multispecialty medical group in Utah, offering care across 29 specialties (including allergy, asthma, and immunology) with 100+ locations nationwide in Utah, northern Arizona, and southeastern Nevada. Headquartered in Provo, UT, Revere Health operates as a private physician group founded in 1969 and is the largest in its region. The Lehi Willowcreek Allergy, Asthma and Immunology location is part of Revere Health’s network, which provides comprehensive primary and specialty care, including orthopedics, dermatology, urgent care, and family medicine. Contact: patient concerns email and main phone line available; corporate info highlights indicate extensive coverage and a focus on accessible healthcare.

VerifiedSince 1969

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