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Expert Allergy & Asthma Care in Southern Oregon
At Allergy & Asthma Center Of Southern Oregon, our board-certified physicians and dedicated support team specialize in diagnosing and treating adult and pediatric allergy, asthma, and immune-related disorders. We serve communities across Southern Oregon and Northern California, prioritizing compassionate, patient-centered care tailored to individual needs. With locations in Medford, Grants Pass, Ashland, Klamath Falls, and Roseburg, we aim to provide accessible, high-quality medical solutions for patients of all ages. Our approach combines clinical expertise with personalized treatment plans, ensuring patients receive targeted therapies like immunotherapy and allergy testing. We emphasize clear communication, timely appointments, and streamlined administrative processes to enhance patient satisfaction.

Our teams commitment to excellence is reflected in patient testimonials highlighting attentive care, effective treatment outcomes, and a welcoming environment. We maintain secure digital tools like our patient portal for appointment management, billing, and medical inquiries. Our physicians bring specialized knowledge in allergy and immunology, fostering trust through evidence-based practices and ongoing patient education. By focusing on long-term health improvements, we strive to alleviate chronic symptoms and improve quality of life. Our clinics reputation for professionalism, expertise, and community-focused service underscores our mission to be a trusted healthcare partner in the region.
Services
Allergy Testing Asthma Management Immunotherapy Pediatric Allergy Care Immune Disorder Treatment
Highlights and features
  • Board-certified specialists in adult and pediatric allergy care
  • Personalized treatment plans tailored to individual needs
  • Convenient locations across Southern Oregon and Northern California
  • Secure patient portal for streamlined communication and billing
  • Testimonials highlight attentive care and effective treatment outcomes
What people say
Friendly staff Listened with compassion BEST care here Knowledgeable staff In and out quickly
Services
Allergy Testing
Our comprehensive allergy testing identifies specific triggers through skin and blood tests. Patients receive detailed explanations of results and customized avoidance strategies. This service empowers individuals to manage symptoms effectively through targeted interventions.
Immunotherapy
Customized immunotherapy treatments gradually desensitize patients to allergens over time. Our specialists create individualized shot regimens based on test results, offering long-term relief for chronic allergy sufferers through this evidence-based approach.
Asthma Management
We develop personalized asthma action plans combining medication management and trigger avoidance techniques. Regular monitoring and adjustments ensure optimal control, helping patients maintain active lifestyles while minimizing flare-ups and emergency visits.
Pediatric Allergy Care
Specialized care addresses childhood allergies with age-appropriate diagnostic methods and family-centered treatment plans. Our team educates parents on symptom management while creating comfortable environments for young patients during visits.
Immune Disorder Treatment
We diagnose and manage complex immune system conditions beyond typical allergies. Our approach combines advanced testing with targeted therapies to address autoimmune responses and recurring infections in both adult and pediatric patients.
People
Dr. Parks
Physician
Dr. Parks specializes in adult and pediatric allergy care, known for compassionate patient interactions and thorough treatment planning. Patients consistently praise his attentive approach and effective management of chronic conditions like asthma and allergies.
Questions
What allergy treatments do you offer?
We provide skin testing, immunotherapy (allergy shots), medication management, and personalized avoidance strategies for both seasonal and year-round allergies.
Do you treat children?
Yes, our board-certified physicians specialize in pediatric allergy care, offering age-appropriate diagnostics and family-centered treatment plans for children with allergies or asthma.
How can I schedule an appointment?
Contact our Medford main office at 541.858.1003 or use our online patient portal to request appointments at any of our five regional locations.
What payment methods are accepted?
We accept Debit Cards, Visa, Mastercard, and Discover through our secure online portal or in-office payment systems for your convenience.
Are same-day appointments available?
While we prioritize scheduled visits, we accommodate urgent allergy or asthma concerns when possible. Contact our office directly to discuss immediate care needs.
Reviews (6)
Autumn Strickling
Jun 02, 2022 Report
The doctor I saw (I believe Dr. Parks) was extremely nice and down to earth, talked to me as a person, and was very supportive during the discussion. I agreed with his diagnosis and it seemed he was understanding of what I've been going through. It was a very pleasant appointment unless others i've seen for my diagnosis.
Christopher Acevedo
Apr 25, 2022 Report
Doctor Isaelsen has a very good vibe and never stoped smiling when he was helping me out today, great job highly recommend place to come
Laura Ancheta
Mar 21, 2022 Report
I saw Dr Parks at the allergy center in Medford. It felt like he had already made up his mind before I got there. Told me there I did NOT have an egg allergy because if I did, they would be writing papers and talking about me at conferences. I tried telling him how sick I was getting from eggs. He again, told me only children have egg allergies and it was so Incredibly rare for adults and that I don't even need to do testing.

He said it would be a waste of money. I asked him to do it anyway. Guess what. I'm allergic to eggs. I don't Understand why he was so sure prior. It felt as if he was tired of people coming in thinking they have "allergies" when instead they had "Intolerance". I totally get that it's probably tiring but to disregard someone the way I felt disregarded was frustrating. I wonder if they are going to write a paper about me now.
Sandi Thompson
Dec 25, 2021 Report
Given a very rare diagnosis. Doesn't even match my symptoms and never given any information other than stay away from the foods that cause irritation.
Audrey Fletcher
May 21, 2021 Report
Took my son in to see Dr Israelsen, I am more than thrilled with how thorough he was. Left my appointment knowing so much more about my childs health issues and receiving more than clarifying answers. His assistant Matt was very helpful and friendly as well, they made my son feel comfortable which can be tough especially for a first time visit.
Carmen Kruschke
Dec 04, 2019 Report
Fabulous All the way around. I'm a new patient with a complicated medical history. My Primary Care referred me last week and they called me on Friday for a Monday Appointment. I walked in to smiles all around. 5 pages of paperwork (usual) Nicole (front desk) very friendly, helpful. (praying I remember your names correctly), Kristina his nurse very efficient, perky, kind, Dr. Parks knew my chart inside & out (IMPRESSIVE) and checked me for allergies (I have none. Who knew. Found out I DON'T have Asthma, Who knew?) and really just did a great job. I HIGHLY recommend this place. Treating me for an aging issue. Ok then. I can handle that.