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Dr. Diana Hess, MD

Internal Medicine*
4.8 (308)
Map Pin Small Tustin, CA
Accepting new patients

Offers telehealth

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Overview of Dr. Diana Hess, MD

Dr. Diana Hess, MD is an Internal Medicine Specialist in Tustin, CA. Patients rated Dr. Hess an average 4.8 star rating.

Dr. Hess works at UC Irvine Medical Center in Tustin, CA with other offices in Newport Beach, CA. They are accepting new patients and accept Aetna, Anthem Blue Cross and Blue Cross Blue Shield of California as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

Dr. Hess' Office Locations

  1. 1
    UCI Health Tustin - Primary Care
    1451 Irvine Blvd, Tustin, CA 92780 Icon Directions Right Arrow Directions Phone Icon (909) 366-3165
    Monday
    08:00 - 17:00
    Tuesday
    08:00 - 17:00
    Wednesday
    08:00 - 17:00
    Thursday
    08:00 - 17:00
    Friday
    08:00 - 17:00
    Saturday
    Closed
    Sunday
    Closed
  2. 2
    UCI Health Newport - MacArthur
    4000 MacArthur Blvd Ste 110, Newport Beach, CA 92660 Icon Directions Right Arrow Directions Phone Icon (562) 275-3170
    Monday
    08:00 - 17:00
    Tuesday
    08:00 - 17:00
    Wednesday
    08:00 - 17:00
    Thursday
    08:00 - 17:00
    Friday
    08:00 - 17:00
    Saturday
    Closed
    Sunday
    Closed

Experience & Treatment Frequency

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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
HighFrequency
NormalFrequency
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)
Arterial Blood Gas Test (ABG)

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)
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    Insurance Accepted

    • ADVANTAGE Health Solutions, Inc.
    • Aetna
    • Anthem Blue Cross
    • Blue Cross Blue Shield of California
    • Blue Shield of California
    • Health Net
    • UnitedHealthCare

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews

    4.8
    Average provider rating
    Based on 308 ratings
    Patient Ratings (308)
    5 Star
    (260)
    4 Star
    (30)
    3 Star
    (11)
    2 Star
    (3)
    1 Star
    (4)
    Leave a review

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    Photo: Dr. Diana Hess, MD
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    • Likelihood of recommending Dr. Hess to family and friends

    Dr. Hess' Office & Staff

    • Ease of scheduling urgent appointments
    • Office environment, cleanliness, comfort, etc.
    • Staff friendliness and courteousness
    • Total wait time (waiting & exam rooms)

    Experience with Dr. Hess

    • Level of trust in provider's decisions
    • 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. Diana Hess, MD

    Specialties*
    • Internal Medicine

    • *Healthline does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
    Specialties*
    Languages Spoken
    • English
    Languages Spoken
    Gender
    • Female
    Gender
    NPI Number
    • 1295296275
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Board Certifications
    • Internal Medicine
    Board Certifications
    What’s a board certification and why is it important that my provider has one?

    A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

    Hospital Affiliations

    • UCI Medical Center

    Frequently Asked Questions

    Dr. Diana Hess, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Hess is offering online scheduling or call the provider’s office for more information.

    Dr. Hess accepts Aetna, Anthem Blue Cross and Blue Cross Blue Shield of California, and other major insurance plans. Please call ahead to confirm all accepted insurance plans.

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

    308 patients have reviewed Dr. Hess. The overall rating for this provider is 4.8. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Hess.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Hess, there are benefits to both methods. A person calling to schedule an with Dr. Hess 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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