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Dr. Jason Friesen, MD

Dr. Jason Friesen, MD

Eugene, OR

Accepting patients

    Who is Dr. Friesen, Allergist & Immunologist in Eugene, OR?

    Dr. Jason Friesen, MD is an Allergist & Immunologist, who primarily practices in Eugene, OR. He is board certified by the American Board of Allergy and Immunology. Dr. Friesen graduated from Albany Medical College of Union University and completed his residency at Eastern Virginia Medical School Affiliated Hospitals. Dr. Friesen is fluent in English and Spanish, and is currently seeing new patients. Dr. Friesen’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Friesen’s office at (541) 431-0000.

    What are Areas of Expertise for Dr. Friesen?

    Dr. Jason Friesen, MD is a highly-rated, board-certified Allergist & Immunologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Friesen empowers patients to confidently navigate their health journey, specializing in Allergy & Asthma, Food & Drug Allergy, or comprehensive wellness support. Serving the Eugene/OR community, Dr. Friesen is dedicated to enhancing lives through expert, patient-centered care.

    Where did Dr. Friesen go to medical school and complete their residency?

    • Fellowship: University of Pittsburgh, Allergy/Immunology | U/Pittsburgh Med Ctr, Pittsburgh, PA,, Allergy and Immunology

    • Residency: Eastern Virginia Medical School Affiliated Hospitals | University of Pittsburgh Medical Center (UPMC)

    • Medical School: Albany Medical College of Union University

    Is Dr. Friesen board certified in Allergist & Immunologist?

    Yes, Dr. Jason Friesen, MD is board certified by the American Board of Allergy and Immunology since 2005

    What languages does Dr. Friesen speak?

    Dr. Friesen and their clinical team can communicate with patients in the following languages:

    • English

    • Spanish

    What conditions does Dr. Friesen treat?

    As a Allergist & Immunologist, Dr. Friesen 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. Friesen. 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.

    Also known as:

    • Hay Fever
    • Pollen allergy
    • Seasonal allergies
    • Allergic rhinitis

    ICD-10 Codes:

    • J301: Allergic rhinitis due to pollen

    Also known as:

    • Asthma
    • Mild Intermittent Asthma
    • Mild Persistent Asthma
    • Moderate Persistent Asthma
    • Severe Persistent Asthma
    • Bronchial Asthma
    • Reactive Airway Disease
    • Asthma Disorder
    • Occasional Asthma
    • Mild Asthma Attacks
    • Infrequent Asthma
    • Ongoing Mild Asthma
    • Regular Mild Asthma
    • Chronic Mild Asthma
    • Ongoing Moderate Asthma
    • Regular Moderate Asthma
    • Chronic Moderate Asthma
    • Chronic Severe Asthma
    • Difficult-to-Treat Asthma
    • Severe Asthma

    ICD-10 Codes:

    • J45998: Other asthma
    • J4520: Mild intermittent asthma, uncomplicated
    • J4530: Mild persistent asthma, uncomplicated
    • J4540: Moderate persistent asthma, uncomplicated
    • J4550: Severe persistent asthma, uncomplicated

    Also known as:

    • Allergic Rhinitis
    • Pet Allergy
    • Allergic Contact Dermatitis
    • Allergy
    • Rashes
    • Nasal allergy
    • Chronic allergy symptoms
    • Allergic reactions
    • Animal dander allergy
    • Cat allergy
    • Dog allergy
    • Allergic rhinitis from pets
    • Allergic skin rash
    • Contact allergy
    • Skin irritation from chemicals

    ICD-10 Codes:

    • J3089: Other allergic rhinitis
    • J3081: Allergic rhinitis due to animal (cat) (dog) hair and dander
    • L235: Allergic contact dermatitis due to other chemical products

    Also known as:

    • Other Types of Hives
    • Dermatographic Hives
    • Chronic Hives
    • Hives
    • Atypical hives
    • Uncommon urticaria
    • Variant hives
    • Skin writing
    • Dermatographism
    • Pressure hives
    • Hives of unknown cause
    • Spontaneous urticaria
    • Persistent welts

    ICD-10 Codes:

    • L508: Other urticaria
    • L503: Dermatographic urticaria
    • L501: Idiopathic urticaria

    Also known as:

    • Non-Allergic Rhinitis
    • Allergy
    • Vasomotor rhinitis
    • Chronic runny nose
    • Non-allergic nasal inflammation

    ICD-10 Codes:

    • J300: Vasomotor rhinitis

    Also known as:

    • Bee Sting
    • Insect Bites and Stings
    • Bee venom reaction
    • Wasp sting
    • Insect sting allergy

    ICD-10 Codes:

    • T63441D: Toxic effect of venom of bees, accidental (unintentional), subsequent encounter

    Also known as:

    • Anaphylaxis
    • Anaphylactic shock
    • Severe allergy
    • Life-threatening allergic reaction

    ICD-10 Codes:

    • T782XXD: Anaphylactic shock, unspecified, subsequent encounter

    Also known as:

    • Chronic Cough
    • Cough
    • Persistent cough
    • Long-lasting cough
    • Ongoing cough

    ICD-10 Codes:

    • R053: Chronic cough

    Also known as:

    • Shortness of Breath
    • Breathing Problems
    • Difficulty breathing
    • Breathlessness
    • Dyspnea

    ICD-10 Codes:

    • R0602: Shortness of breath

    Also known as:

    • Severe Peanut Allergy Reaction
    • Anaphylaxis
    • Food Allergy
    • Peanut Anaphylaxis
    • Life-Threatening Peanut Allergy
    • Peanut-Induced Anaphylactic Shock

    ICD-10 Codes:

    • T7801XD: Anaphylactic reaction due to peanuts, subsequent encounter

    Also known as:

    • Severe Tree Nut and Seed Allergy Reaction
    • Anaphylaxis
    • Food Allergy
    • Tree Nut Anaphylaxis
    • Seed Allergy Reaction
    • Life-Threatening Tree Nut Allergy

    ICD-10 Codes:

    • T7805XD: Anaphylactic reaction due to tree nuts and seeds, subsequent encounter

    Also known as:

    • Chronic Nasopharyngitis
    • Nose Injuries and Disorder
    • Chronic inflammation of nose and throat
    • Persistent nasopharyngeal inflammation
    • Long-term nose and throat inflammation

    ICD-10 Codes:

    • J311: Chronic nasopharyngitis

    Which procedures does Dr. Friesen perform as a Allergist & Immunologist?

    As a Allergist & Immunologist, procedures performed by an Dr. Jason Friesen may include:

    For detailed information, please contact Dr. Friesen's office.

    Does Dr. Friesen accept my insurance?

    Dr. Friesen accepts most major insurance plans. Important: Please call our office at (541) 431-0000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Friesen accept in Eugene, OR?

    Dr. Friesen in Eugene, OR accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Cambia (Regence)

    • Centene

    • Department of Veterans Affairs

    • Medicare

    • Moda Health

    • OptumRx

    • PacificSource

    • Providence Health Plans

    • State of Oregon

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Friesen's office located?

    Dr. Jason Friesen's Primary Practice

    1426 Oak St

    Eugene, OR 97401

    (541) 431-0000

    Get Directions

    What is Dr. Friesen's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Friesen's National Provider Identifier (NPI) number is 1043379860.

    What common questions do patients ask about Dr. Friesen?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Friesen

    What is Dr. Jason Friesen's specialty?

    Dr. Friesen is a Allergist & Immunologist near Eugene, OR. 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. Contact Dr. Friesen to book an appointment today.

    Is this Dr. Jason Friesen affiliated with a ranked Castle Connolly Top Hospital?

    No, Friesen is not affiliated with a Castle Connolly Top Hospital. Castle Connolly Top Hospitals 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

    Where can I learn more about Allergist & Immunologist?

    Explore Allergist & Immunologist with 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 Jason Friesen accepting new patients in Eugene, OR?

    Yes, Dr. Jason Friesen is accepting new patients at this time.

    Does Dr. Jason Friesen offer online booking?

    Please contact Dr. Friesen's office at (541) 431-0000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Jason Friesen?

    Please contact Dr. Friesen's office at (541) 431-0000 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Jason Friesen have?

    Dr. Jason Friesen is certified by the American Board of Allergy and Immunology.

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