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Dr. Marissa Wen, MD

Modesto, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Wen, Internist in Modesto, CA?

    Dr. Marissa Wen, MD is an Internist, who primarily practices in Modesto, CA. She is board certified. Dr. Wen is fluent in English, and is currently seeing new patients. Dr. Wen’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Wen’s office at (209) 735-5000.

    What languages does Dr. Wen speak?

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

    • English

    What conditions does Dr. Wen treat?

    As a Internist, Dr. Wen 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. Wen. 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.

    Also known as:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    Also known as:

    • Acute Respiratory Failure with Low Oxygen
    • Acute and Chronic Respiratory Failure with Low Oxygen
    • Respiratory Failure
    • Sudden lung failure with low oxygen
    • Hypoxic respiratory failure
    • Acute breathing failure with hypoxia
    • Sudden and Long-Term Lung Failure with Low Oxygen
    • Acute and Chronic Hypoxic Respiratory Failure
    • Ongoing Breathing Failure with Low Oxygen

    ICD-10 Codes:

    • J9601: Acute respiratory failure with hypoxia
    • J9621: Acute and chronic respiratory failure with hypoxia

    Also known as:

    • Acute Kidney Failure
    • Kidney Failure
    • Acute Renal Failure
    • Sudden Kidney Failure

    ICD-10 Codes:

    • N179: Acute kidney failure, unspecified

    Also known as:

    • High Blood Pressure Heart and Kidney Disease with Heart Failure
    • Chronic Kidney Disease
    • Heart Failure
    • High Blood Pressure
    • Hypertensive Cardiorenal Syndrome
    • Heart and Kidney Failure from High Blood Pressure

    ICD-10 Codes:

    • I130: Hypertensive heart and chronic kidney disease with heart failure and stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease

    Also known as:

    • COVID-19
    • COVID-19 (Coronavirus Disease 2019)
    • Coronavirus Disease 2019
    • SARS-CoV-2 Infection
    • Novel Coronavirus

    ICD-10 Codes:

    • U071: COVID-19

    Also known as:

    • Heart Attack (NSTEMI)
    • Heart Attack
    • Myocardial Infarction
    • Non-STEMI
    • Less Severe Heart Attack

    ICD-10 Codes:

    • I214: Non-ST elevation (NSTEMI) myocardial infarction

    Also known as:

    • High Blood Pressure Heart Disease with Heart Failure
    • Heart Failure
    • High Blood Pressure
    • Hypertensive Heart Failure
    • High Blood Pressure Causing Heart Failure

    ICD-10 Codes:

    • I110: Hypertensive heart disease with heart failure

    Also known as:

    • Metabolic Brain Disorder
    • Brain Disease
    • Metabolic Encephalopathy
    • Brain Dysfunction from Metabolism

    ICD-10 Codes:

    • G9341: Metabolic encephalopathy

    Also known as:

    • Acute Pancreatitis
    • Pancreatitis
    • Sudden Pancreas Inflammation
    • Acute Pancreas Attack

    ICD-10 Codes:

    • K8590: Acute pancreatitis without necrosis or infection, unspecified

    Also known as:

    • Gastrointestinal Bleeding
    • Gastrointestinal (GI) Bleeding
    • GI Bleeding
    • Internal Digestive Bleeding
    • Digestive Tract Hemorrhage

    ICD-10 Codes:

    • K922: Gastrointestinal hemorrhage, unspecified

    Also known as:

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Upper body pain

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Which procedures does Dr. Wen perform as a Internist?

    As a Internist, procedures performed by an Dr. Marissa Wen may include:

    For detailed information, please contact Dr. Wen's office.

    Does Dr. Wen accept my insurance?

    Dr. Wen accepts most major insurance plans. Important: Please call our office at (209) 735-5000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Wen accept in Modesto, CA?

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

    Top Insurances

    • Alignment Health Plan

    • All Other Territories

    • All Other Third Party

    • Centene

    • Crown Cork and Seal Company

    • Health Plan of San Joaquin

    • HealthComp

    • Medicare

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Wen's office located?

    Dr. Marissa Wen's Primary Practice

    4601 Dale Rd

    Modesto, CA 95356

    (209) 735-5000

    Get Directions

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

    Dr. Wen's National Provider Identifier (NPI) number is 1467999169.

    What common questions do patients ask about Dr. Wen?

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

    What is Dr. Marissa Wen's specialty?

    Dr. Wen is a Internist near Modesto, 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. Wen to book an appointment today.

    Is this Dr. Marissa Wen affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Wen is affiliated with Kaiser Permanente Manteca Medical Center which is a Castle Connolly Top Hospital. 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 Marissa Wen accepting new patients in Modesto, CA?

    Yes, Dr. Marissa Wen is accepting new patients at this time.

    Does Dr. Marissa Wen offer online booking?

    Please contact Dr. Wen's office at (209) 735-5000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Marissa Wen?

    Please contact Dr. Wen's office at (209) 735-5000 for information regarding telehealth appointment availability or for scheduling assistance.

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