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Dr. Diana Jao, MD

Geriatric Medicine Specialist

San Mateo, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Jao, Geriatric Medicine Specialist in San Mateo, CA?

    Dr. Diana Jao, MD is a Geriatric Medicine Specialist, who primarily practices in San Mateo, CA. She is board certified. Dr. Jao completed her residency at Univ Ca Sf Sch Of Med, Geriatric Medicine-Internal Medicine. Dr. Jao is fluent in English, and is currently seeing new patients. Dr. Jao’s practice accepts Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Jao’s office at (650) 573-2426.

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

    • Residency: Univ Ca Sf Sch Of Med, Geriatric Medicine-Internal Medicine

    Is Dr. Jao board certified as a Geriatric Medicine Specialist?

    Yes, Dr. Diana Jao, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Jao speak?

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

    • English

    What conditions does a Geriatric Medicine Specialist like Dr. Jao typically treat?

    As a Geriatric Medicine Specialist, Dr. Jao 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. Jao. 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:

    • Type 2 Diabetes
    • Type 2 Diabetes with High Blood Sugar
    • Diabetes Type 2
    • Type 2 diabetes
    • Hyperglycemia
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes
    • Diabetic Hyperglycemia
    • High Blood Glucose
    • High Sugar Levels

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications
    • E1165: Type 2 diabetes mellitus with hyperglycemia

    Also known as:

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

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Routine Adult Health Checkup
    • Health Checkup
    • Adult physical exam
    • Annual wellness visit for adults
    • General adult medical exam

    ICD-10 Codes:

    • Z0000: Encounter for general adult medical examination without abnormal findings

    What procedures does a Geriatric Medicine Specialist like Dr. Jao typically perform?

    As a Geriatric Medicine Specialist, Dr. Jao performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Jao. 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:

    • Ear Wax Removal (Irrigation)
    • Impacted earwax removal
    • Ear lavage
    • Ear syringing

    CPT Codes:

    • 69209: Removal impacted cerumen using irrigation/lavage, unilateral

    Also known as:

    • Nail Trimming and Cleaning
    • Therapeutic Nail Debridement
    • Thick Nail Treatment
    • Fungal Nail Care

    CPT Codes:

    • 11721: Debridement of nail(s) by any method(s); 6 or more

    Also known as:

    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening

    CPT Codes:

    • 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

    Does Dr. Jao accept my insurance?

    Dr. Jao accepts most major insurance plans. Important: Please call our office at (650) 573-2426 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Jao accept in San Mateo, CA?

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

    Top Insurances

    • Advantage

    • Blue Shield of California

    • CVS Health (formerly Aetna)

    • Humana

    • Medicaid

    • Medicare

    • State of California

    View All Insurances

    Where is Dr. Jao's office located?

    Dr. Diana Jao's Primary Practice

    222 W 39th Ave

    San Mateo, CA 94403

    (650) 573-2426

    Get Directions

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

    Dr. Jao's National Provider Identifier (NPI) number is 1780683789.

    What common questions do patients ask about Dr. Jao?

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

    What is Dr. Diana Jao's specialty?

    Dr. Jao is a Geriatric Medicine Specialist near San Mateo, CA.

    What does a Geriatric Medicine Specialist do?

    An internist or family medicine physician with expertise in the aging process and specialized skills in diagnosing, treating, preventing, and managing illnesses in the elderly. This specialist provides care for geriatric patients in various settings, including the home, office, nursing homes, and hospitals.

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

    Yes, Dr. Jao is affiliated with San Mateo Medical Center, Mills-Peninsula Medical Center, Stanford Health Care - Stanford Hospital, San Mateo Medical Center, Kaiser Permanente South San Francisco 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

    When to see a Geriatric Medicine Specialist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Geriatric Medicine Specialist. 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 Dr. Diana Jao accepting new patients in San Mateo, CA?

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

    Does Dr. Diana Jao offer online booking?

    Please contact Dr. Jao's office at (650) 573-2426 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Diana Jao?

    Please contact Dr. Jao's office at (650) 573-2426 to schedule an appointment.

    Where is Dr. Jao's office located?

    Dr. Jao's office is located in San Mateo, CA.

    Which board certifications does Dr. Diana Jao have?

    Dr. Diana Jao is certified by the American Board of Internal Medicine.