EverydayHealthLogo
DG

Dr. Dennis Grewal, DO

Santa Ana, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Grewal, Cardiologist in Santa Ana, CA?

    Dr. Dennis Grewal, DO is a Cardiologist, who primarily practices in Santa Ana, CA with 2 additional practice locations. Dr. Grewal is fluent in English and German, and is currently seeing new patients. Dr. Grewal’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Grewal’s office at (714) 245-1444.

    What languages does Dr. Grewal speak?

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

    • English

    • German

    What conditions does a Cardiologist like Dr. Grewal typically treat?

    As a Cardiologist, Dr. Grewal 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. Grewal. 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:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Routine Blood Pressure Check (Normal Findings)
    • Vital Signs
    • Normal BP reading
    • Blood pressure screening, all clear
    • Healthy blood pressure check

    ICD-10 Codes:

    • Z0130: Encounter for examination of blood pressure without abnormal findings

    Also known as:

    • Atrial Fibrillation
    • Afib
    • A-fib
    • Irregular heart rhythm

    ICD-10 Codes:

    • I480: Paroxysmal atrial fibrillation

    Also known as:

    • Chronic Systolic Heart Failure
    • Heart Failure
    • Long-term Systolic Heart Failure
    • Chronic HFrEF
    • Ongoing Pumping Heart Failure

    ICD-10 Codes:

    • I5022: Chronic systolic (congestive) heart failure

    What procedures does a Cardiologist like Dr. Grewal typically perform?

    As a Cardiologist, procedures performed by Dr. Dennis Grewal may include:

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

    Does Dr. Grewal accept my insurance?

    Dr. Grewal accepts most major insurance plans. Important: Please call our office at (714) 245-1444 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Grewal accept in Santa Ana, CA?

    Dr. Grewal in Santa Ana, 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

    • CVS Health (formerly Aetna)

    • Hoag Memorial Hospital Presbyterian

    • Kaiser Permanente

    • Medicare

    • St. Joseph Health System (CA)

    • State of California

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Grewal's office located?

    Dr. Dennis Grewal's Primary Practice

    700 N Tustin Ave

    Santa Ana, CA 92705

    (714) 245-1444

    Get Directions

    Dr. Dennis Grewal's Practice 2

    11234 Anderson St

    Loma Linda, CA 92350

    Get Directions

    Dr. Dennis Grewal's Practice 3

    25455 Barton Rd

    Loma Linda, CA 92354

    Get Directions

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

    Dr. Grewal's National Provider Identifier (NPI) number is 1538556592.

    What common questions do patients ask about Dr. Grewal?

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

    What is Dr. Dennis Grewal's specialty?

    Dr. Grewal is a Cardiologist near Santa Ana, CA.

    What does a Cardiologist do?

    An internist specializing in cardiovascular diseases focuses on the diagnosis and management of complex heart and blood vessel conditions, including heart attacks and life-threatening arrhythmias.

    Is this Dr. Dennis Grewal affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Grewal is affiliated with Hoag Hospital Newport Beach, Kaiser Permanente Orange County - Anaheim Medical Center, Uci Medical Center, City Of Hope - Duarte Cancer 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 Cardiologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Cardiologist. 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 Dennis Grewal accepting new patients in Santa Ana, CA?

    Yes, Dr. Dennis Grewal is accepting new patients at this time.

    Does Dr. Dennis Grewal offer online booking?

    Please contact Dr. Grewal's office at (714) 245-1444 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dennis Grewal?

    Please contact Dr. Grewal's office at (714) 245-1444 for information regarding telehealth appointment availability or for scheduling assistance.

    Other Cardiologist Near Santa Ana, CA

    RB

    Clinical Cardiac Electrophysiologist

    acceptingPatients-iconAccepting patients
    Santa Ana, CA
    RM

    Interventional Cardiologist

    acceptingPatients-iconAccepting patients
    Santa Ana, CA
    EY
    acceptingPatients-iconAccepting patients
    Santa Ana, CA
    See All Specialists

    Doctors by Category

    Specialists