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Dr. Diana Hess, MD

Castro Valley, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Hess, Internist in Castro Valley, CA?

    Dr. Diana Hess, MD is an Internist, who primarily practices in Castro Valley, CA with 2 additional practice locations. Dr. Hess is fluent in English, and is currently seeing new patients. Dr. Hess’s practice accepts Cigna, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hess’s office at (714) 838-8878.

    What languages does Dr. Hess speak?

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

    • English

    Which conditions does Dr. Hess treat as an Internist?

    As an Internist, conditions treated by Dr. Diana Hess may include:

    Please contact Dr. Hess' office for more information or to schedule a consultation.

    Which procedures does Dr. Hess perform as an Internist?

    As an Internist, procedures performed by Dr. Diana Hess may include:

    For detailed information, please contact Dr. Hess' office.

    Does Dr. Hess accept my insurance?

    Dr. Hess accepts most major insurance plans. Important: Please call our office at (714) 838-8878 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Hess accept in Castro Valley, CA?

    Dr. Hess in Castro Valley, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • ADP

    • BCBS Unspecified

    • Cigna

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Gordon Food Service

    • Inland Empire

    • Medicare

    • Sutter Health

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Hess' office located?

    Dr. Diana Hess' Primary Practice

    20101 Lake Chabot Rd Fl 3

    Castro Valley, CA 94546

    (714) 838-8878

    Get Directions

    Dr. Diana Hess' Practice 2

    101 The City Dr S

    Orange, CA 92868

    Get Directions

    Dr. Diana Hess' Practice 3

    1451 Irvine Blvd

    Tustin, CA 92780

    Get Directions

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

    Dr. Hess's National Provider Identifier (NPI) number is 1295296275.

    What common questions do patients ask about Dr. Hess?

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

    What is Dr. Diana Hess's specialty?

    Dr. Hess is a Internist near Castro Valley, CA.

    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

    Contact Dr. Hess to book an appointment today.

    Is this Dr. Diana Hess affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Hess is affiliated with Eden Medical Center, California Pacific Medical Center - Davies Campus, Alta Bates Summit Medical Center - Summit Campus, California Pacific Medical Center - Van Ness Campus, Mills-Peninsula Medical Center, Sutter Solano 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

    Where can I learn more about Internist?

    Explore Internist 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 Diana Hess accepting new patients in Castro Valley, CA?

    Yes, Dr. Diana Hess is accepting new patients at this time.

    Does Dr. Diana Hess offer online booking?

    Please contact Dr. Hess's office at (714) 838-8878 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Diana Hess?

    Please contact Dr. Hess's office at (714) 838-8878 for information regarding telehealth appointment availability or for scheduling assistance.

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