
Jason Bellak, MD, is an allergy and immunology physician at Allergy and Asthma Center of Las Vegas. He provides care for asthma, environmental allergies, food allergy concerns, eczema, hives, and immune-related symptoms in Las Vegas.
Search allergists by provider name, practice, city, state, ZIP, specialty, and allergy services. Compare local care options alongside AllergyAva pollen forecasts.

Jason Bellak, MD, is an allergy and immunology physician at Allergy and Asthma Center of Las Vegas. He provides care for asthma, environmental allergies, food allergy concerns, eczema, hives, and immune-related symptoms in Las Vegas.

Impact Medical: Adult and Pediatric Allergists of Central Jersey
Dr. Jayesh Kanuga is a board-certified allergist/immunologist with Adult and Pediatric Allergists of Central Jersey, now part of Impact Medical, in Edison, NJ, treating asthma, allergic rhinitis, food allergies, rashes and immune conditions.

Dr. Jeannette Warner is an allergy and immunology provider at Jeannette G. Warner MD PA serving patients in Palm Bay and Brevard County, with care focused on adult and pediatric allergy, asthma, hay fever, sinus infections, food allergies, insect sting reactions and hives.

Dr. Jeffrey Kepes is an allergy and immunology physician with Memorial Healthcare in Owosso, Michigan. Patients in mid-Michigan can use this profile to find help for asthma, allergic rhinitis, hives, eczema, food allergy concerns, medication reactions, and other allergy-related conditions. Contact Memorial Healthcare directly to confirm scheduling, insurance participation, and whether a pediatric or adult allergy visit is appropriate.

Dr. Jeffrey Rumbyrt is a Denver Allergy & Asthma Associates allergist and immunologist serving Lakewood and the Colorado Front Range. He treats allergic rhinitis, asthma, hives, chronic urticaria, immune deficiency, hereditary angioedema, and related allergic conditions.

Dr. Jeffrey Tillinghast is an allergy, asthma, and clinical immunology physician in St. Louis, Missouri, with The Clinical Research Center. His profile is suited for patients and referring providers looking for asthma expertise, allergy evaluation, clinical immunology care, and research-informed respiratory care.

Jeneffer Avalos, PA-C, is part of the Gateway Asthma & Allergy Relief care team in O'Fallon, Missouri. She supports allergy and asthma patients with evaluations, follow-up care, treatment education, and ongoing symptom management.

Dr. Jennifer Boeckman is a board-certified allergy and immunology specialist with Midwest Allergy & Asthma in Woodbury, Minnesota. She cares for adults and children with asthma, environmental allergies, pet allergies, food allergies, chronic hives and angioedema, with a focus on clear diagnosis and individualized treatment.

Dr. Jennifer Gonik Chester is an allergy and immunology physician with ColumbiaDoctors in New York City, helping patients with drug allergy evaluation, immune deficiency concerns, asthma, allergic rhinitis, hives, food allergy concerns, and complex allergy care.

Jennifer Hearn, PA-C, is an allergy and immunology provider with Northwestern Medicine Allergy and Immunology in Chicago, Illinois, supporting patients with asthma, allergic rhinitis, environmental allergies, hives, eczema, sinus symptoms, and related allergy concerns.

Dr. Jennifer Kannan is an allergy, asthma and immunology physician with Main Line Allergy, serving patients in King of Prussia and Ardmore. She cares for adults and children with seasonal allergies, asthma, food allergy concerns and related immune conditions.

Dr. Jennifer Lue is a pediatric-focused allergy and immunology physician with Albany Med Health System in Saratoga Springs, NY, helping children and families manage asthma, food allergies, environmental allergies, eczema and immune concerns.

Jennifer A. Regan, MD, PhD, is an allergy and immunology physician with Northwest Asthma & Allergy Center in Pasco, WA. Board-certified in allergy/immunology and internal medicine, she brings academic and research training in microbiology and immunology to patient care. Patients can use this profile to find help with asthma, anaphylaxis risk, food allergy concerns, environmental allergies and long-term allergic disease management.

Jennifer Simonaire, DO, is an allergist-immunologist with Northwestern Medicine Allergy and Immunology in Winfield. She supports patients seeking care for asthma, anaphylaxis, eczema, environmental allergies, eosinophilic esophagitis, food allergy, pediatric allergies, and hives.

Dr. Jennifer Yoo is an internal medicine and allergy/immunology physician with Santa Clara Valley Healthcare in San Jose, CA, helping patients manage hives, allergic rhinitis, asthma, contact dermatitis and immune-related allergy concerns.
Allergists are physicians trained to diagnose and manage allergic disease, asthma, eczema, hives, medication reactions, immune concerns, and food allergy risk. Use the directory to compare nearby physicians, but confirm insurance coverage, referral requirements, and testing availability with the office.
An allergist focuses on immune-system causes of symptoms, allergy testing, asthma care, immunotherapy, and reactions to foods, medicines, insects, pets, pollen, and mold. An ENT focuses on surgical and structural conditions of the ear, nose, throat, sinuses, tonsils, voice, and airway. Many patients benefit from both: an ENT may evaluate chronic sinus blockage, while an allergist identifies triggers that drive inflammation or asthma flares.
Most first visits start with a symptom history, medication review, exposure review, and focused physical exam. If skin testing is appropriate, small amounts of common allergens are placed on or under the skin and checked for a controlled reaction. Some patients need blood testing instead, especially when skin testing is not safe or medicines cannot be paused.
Ask the clinic which antihistamines or sleep aids should be stopped before the appointment, bring a list of reactions and foods or environments involved, and pack snacks, comfort items, and past test results. Tell children that testing may feel itchy or briefly uncomfortable but should not feel like a vaccine shot.