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Dr. Ahdad Ziyar, MD

Allergy & Immunology*
Map Pin Small Orange, CA
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Overview of Dr. Ahdad Ziyar, MD

Dr. Ahdad Ziyar, MD is an Allergy & Immunology Specialist in Orange, CA. 

Dr. Ziyar works at Practice in Orange, CA with other offices in Dublin, CA, Fresno, CA and Turlock, CA. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

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Dr. Ziyar's Office Locations

  1. 1
    Uci Medical Center
    101 The City Dr S, Orange, CA 92868 Icon Directions Right Arrow Directions Phone Icon (714) 456-5691
  2. 2
    Dublin Center - Liver Care
    4050 Dublin Blvd Fl 3, Dublin, CA 94568 Icon Directions Right Arrow Directions Phone Icon (510) 498-2350
  3. 3
    6643 N Milburn Ave Ste 101, Fresno, CA 93722 Icon Directions Right Arrow Directions Phone Icon (559) 275-1400
  4. 4
    Baz Allergy Asthma & Sinus Center Inc.
    1853 Lander Ave, Turlock, CA 95380 Icon Directions Right Arrow Directions Phone Icon (209) 656-1617

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • UCI Medical Center

Experience & Treatment Frequency


What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

Very HighFrequency
May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
Arterial Blood Gas Test (ABG)
Electrocardiogram (EKG)
Joint Pain

Treatment frequency

Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Arterial Blood Gas Test (ABG)
Electrocardiogram (EKG)
Joint Pain
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    • Anthem
    • Anthem Blue Cross
    • Blue Cross Blue Shield
    • Blue Cross Blue Shield of California
    • Blue Shield of California
    • Clover Health
    • Health Net
    • Oscar Health
    • UnitedHealthCare

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
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    Dr. Ziyar's Office & Staff

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    Experience with Dr. Ziyar

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    • How well provider explains medical condition(s)
    • How well provider listens and answers questions
    • Hpends appropriate amount of time with patients

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    About Dr. Ahdad Ziyar, MD

    • Allergy & Immunology

    • *Healthline does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
    Languages Spoken
    • English
    Languages Spoken
    NPI Number
    • 1205330685
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Frequently Asked Questions

    Dr. Ziyar has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    Dr. Ziyar has not been reviewed and rated on Healthline FindCare, yet. If you have seen this provider you can leave your own review based on your experience with Dr. Ziyar.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Ziyar, there are benefits to both methods. A person calling to schedule an with Dr. Ziyar appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

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