
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Israelsen, Allergist & Immunologist in Medford, OR?
Dr. Ryan Israelsen, MD is an Allergist & Immunologist, who primarily practices in Medford, OR. Dr. Israelsen is fluent in English, and is currently seeing new patients. Dr. Israelsen’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Israelsen’s office.
What languages does Dr. Israelsen speak?
Dr. Israelsen and their clinical team can communicate with patients in the following languages:
English
What conditions does an Allergist & Immunologist like Dr. Israelsen typically treat?
As an Allergist & Immunologist, Dr. Israelsen diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Israelsen. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Allergic Rhinitis
- Hay Fever
- Allergy
- Nasal allergies
- Allergy rhinitis
- Chronic runny nose
- Pollen allergy
- Seasonal allergies
- Allergic rhinitis
ICD-10 Codes:
- J309: Allergic rhinitis, unspecified
- J301: Allergic rhinitis due to pollen
Also known as:
- Moderate Persistent Asthma with Flare-up
- Mild Persistent Asthma with Flare-up
- Asthma
- Moderate Asthma Exacerbation
- Worsening Moderate Asthma
- Acute Asthma Attack
- Mild Asthma Exacerbation
- Worsening Mild Asthma
ICD-10 Codes:
- J4541: Moderate persistent asthma with (acute) exacerbation
- J4531: Mild persistent asthma with (acute) exacerbation
Also known as:
- Non-Hereditary Low Immunoglobulin Levels
- Immune System and Disorder
- Acquired Antibody Deficiency
- Non-Genetic Immune Deficiency
ICD-10 Codes:
- D801: Nonfamilial hypogammaglobulinemia
Also known as:
- Common Variable Immunodeficiency (CVID)
- Immune System and Disorder
- Common variable immune deficiency
- CVID
- Acquired Hypogammaglobulinemia
ICD-10 Codes:
- D839: Common variable immunodeficiency, unspecified
Also known as:
- Immune Deficiency
- Immune System and Disorder
- Weak Immune System
- Immune System Disorder
ICD-10 Codes:
- D849: Immunodeficiency, unspecified
Also known as:
- Anaphylaxis
- Anaphylactic shock
- Severe allergy
- Life-threatening allergic reaction
ICD-10 Codes:
- T782XXD: Anaphylactic shock, unspecified, subsequent encounter
What procedures does an Allergist & Immunologist like Dr. Israelsen typically perform?
As an Allergist & Immunologist, procedures performed by Dr. Ryan Israelsen may include:
- Allergy Consultation
- Allergy Follow Up
- Allergy Shots
- Allergy Testing
- Insect Bite(s)
- Sinus Surgeon Consultation
- Sinus Surgeon Follow Up
- Sinus Surgery
Please contact Dr. Israelsen's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Israelsen accept my insurance?
Dr. Israelsen accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Israelsen accept in Medford, OR?
Dr. Israelsen in Medford, OR accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Cambia Health Solutions
Medicare
Unknown
View All Insurances
Where is Dr. Israelsen's office located?
What is Dr. Israelsen's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Israelsen's National Provider Identifier (NPI) number is 1487910766.
What common questions do patients ask about Dr. Israelsen?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Israelsen
What is Dr. Ryan Israelsen's specialty?
Dr. Israelsen is a Allergist & Immunologist near Medford, OR.
What does an Allergist & Immunologist do?
An allergist-immunologist is well-versed in the assessment, physical examination, laboratory diagnosis, and treatment of immune system disorders. These conditions include, but are not limited to, eczema, asthma, anaphylaxis, rhinitis, and adverse reactions to food, medication, and insect stings. Furthermore, they manage immune deficiency diseases, whether acquired or congenital, issues with host defense, and challenges associated with autoimmune diseases, organ transplantation, or immune system malignancies.
Is this Dr. Ryan Israelsen affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Israelsen is affiliated with Asante Rogue Regional Medical Center, Sky Lakes Medical Center, Asante Three Rivers Medical Center which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see an Allergist & Immunologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Allergist & Immunologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Ryan Israelsen accepting new patients in Medford, OR?
Yes, Dr. Ryan Israelsen is accepting new patients at this time.
Does Dr. Ryan Israelsen offer online booking?
Please contact Dr. Israelsen's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Ryan Israelsen?
Please contact Dr. Israelsen's office for information regarding telehealth appointment availability or for scheduling assistance.
Other Allergist & Immunologist Near Medford, OR

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Dr. Kevin Parks, MD is an Allergist & Immunologist, who primarily practices in Medford, OR with 2 additional practice locations. He has been practicing for over 18 years and is board certified.
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AC
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Dr. Arundhati Chandini Arjun, MD is an Allergist & Immunologist, who primarily practices in Medford, OR.
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Dr. Edward Kerwin, MD is an Allergist & Immunologist, who primarily practices in Medford, OR with 2 additional practice locations. He is board certified.
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Connect with DR. Israelsen
3860 Crater Lake Ave
Medford, OR 97504