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Dr. Ronald Simon, MD

Dr. Ronald Simon, MD

San Diego, CA

45 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Simon, Allergist & Immunologist in San Diego, CA?

    Dr. Ronald Simon, MD is an Allergist & Immunologist, who primarily practices in San Diego, CA with 2 additional practice locations. He has been practicing for over 45 years and is board certified. Dr. Simon graduated from University of Chicago Division of the Biological Sciences The Pritzker School of Medicine and completed his residency at Northwestern Mem Hosp, Internal Medicine. Dr. Simon is fluent in English, and is currently seeing new patients. Dr. Simon’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Simon’s office at (858) 764-3000.

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

    • Fellowship: Scripps Clinic

    • Residency: Northwestern Mem Hosp, Internal Medicine | Medical School - Northwestern Univ Med School | Abbott-Northwestern Hospital Program

    • Medical School: University of Chicago Division of the Biological Sciences The Pritzker School of Medicine

    Is Dr. Simon board certified as an Allergist & Immunologist?

    Yes, Dr. Ronald Simon, MD is board certified by the American Board of Allergy and Immunology , American Board of Internal Medicine

    What languages does Dr. Simon speak?

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

    • English

    What conditions does an Allergist & Immunologist like Dr. Simon typically treat?

    As an Allergist & Immunologist, Dr. Simon 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. Simon. 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:

    • Allergy Desensitization
    • Allergy shots
    • Immunotherapy for allergies
    • Allergen desensitization therapy

    ICD-10 Codes:

    • Z516: Encounter for desensitization to allergens

    Also known as:

    • Chronic Hives
    • Hives
    • Hives of unknown cause
    • Spontaneous urticaria
    • Persistent welts

    ICD-10 Codes:

    • L501: Idiopathic urticaria

    Also known as:

    • Immunization Visit
    • Vaccines
    • Vaccination appointment
    • Shot visit
    • Immunization encounter

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • Allergic Rhinitis
    • Allergy
    • Nasal allergy
    • Chronic allergy symptoms
    • Allergic reactions

    ICD-10 Codes:

    • J3089: Other allergic rhinitis

    Also known as:

    • Chronic Rhinitis
    • Nose Injuries and Disorder
    • Chronic runny nose
    • Persistent nasal inflammation
    • Long-term stuffy nose

    ICD-10 Codes:

    • J310: Chronic rhinitis

    Also known as:

    • Allergic Rhinitis
    • Allergy
    • Nasal allergies
    • Allergy rhinitis
    • Chronic runny nose

    ICD-10 Codes:

    • J309: Allergic rhinitis, unspecified

    Also known as:

    • Nasal Polyp
    • Nose Injuries and Disorder
    • Polyp in nose
    • Nasal growth
    • Sinus polyp

    ICD-10 Codes:

    • J339: Nasal polyp, unspecified

    Also known as:

    • Stuffy Nose
    • Nose Injuries and Disorder
    • Blocked nose
    • Nasal congestion
    • Congested nose

    ICD-10 Codes:

    • R0981: Nasal congestion

    Also known as:

    • Toxic Mold Exposure
    • Molds
    • Mold poisoning
    • Black mold exposure
    • Mold illness

    ICD-10 Codes:

    • Z77120: Contact with and (suspected) exposure to mold (toxic)

    What procedures does an Allergist & Immunologist like Dr. Simon typically perform?

    As an Allergist & Immunologist, procedures performed by Dr. Ronald Simon may include:

    Please contact Dr. Simon's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.

    Does Dr. Simon accept my insurance?

    Dr. Simon accepts most major insurance plans. Important: Please call our office at (858) 764-3000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Simon accept in San Diego, CA?

    Dr. Simon in San Diego, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Centene Corporation

    • Elevance Health Inc. (formerly Anthem)

    • HealthComp

    • Kaiser Permanente

    • Medicare

    • Other Health Care Provider

    • Other Support Agencies/Consultants

    • Scripps Health

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Simon's office located?

    Dr. Ronald Simon's Primary Practice

    3811 Valley Centre Dr

    San Diego, CA 92130

    (858) 764-3000

    Get Directions

    Dr. Ronald Simon's Practice 2

    10862 Calle Verde

    La Mesa, CA 91941

    Get Directions

    Dr. Ronald Simon's Practice 3

    9898 Genesee Ave

    La Jolla, CA 92037

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

    Dr. Simon's National Provider Identifier (NPI) number is 1255304622.

    What common questions do patients ask about Dr. Simon?

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

    What is Dr. Ronald Simon's specialty?

    Dr. Simon is a Allergist & Immunologist near San Diego, CA.

    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. Ronald Simon affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Simon is affiliated with Scripps Green Hospital, Scripps Memorial Hospital Encinitas, Scripps Mercy Hospital San Diego 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 Ronald Simon accepting new patients in San Diego, CA?

    Yes, Dr. Ronald Simon is accepting new patients at this time.

    Does Dr. Ronald Simon offer online booking?

    Please contact Dr. Simon's office at (858) 764-3000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Ronald Simon?

    Please contact Dr. Simon's office at (858) 764-3000 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Ronald Simon have?

    Dr. Ronald Simon is certified by the American Board of Allergy and Immunology and American Board of Internal Medicine.

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