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Dr. Fredrik Jenssen

Neenah, WI

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Jenssen, Critical Care Internist in Neenah, WI?

    Dr. Fredrik Jenssen is a Critical Care Internist, who primarily practices in Neenah, WI with 1 additional practice location. He is board certified. Dr. Jenssen is fluent in English, and is currently seeing new patients. Dr. Jenssen’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Jenssen’s office at (920) 725-0077.

    What languages does Dr. Jenssen speak?

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

    • English

    What conditions does Dr. Jenssen treat?

    As a Critical Care Internist, Dr. Jenssen 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. Jenssen. 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:

    • Acute Respiratory Failure with Low Oxygen
    • Acute Respiratory Failure with High Carbon Dioxide
    • Acute and Chronic Respiratory Failure with Low Oxygen
    • Acute and Chronic Respiratory Failure with High Carbon Dioxide
    • Respiratory Failure
    • Sudden lung failure with low oxygen
    • Hypoxic respiratory failure
    • Acute breathing failure with hypoxia
    • Sudden lung failure with high CO2
    • Hypercapnic respiratory failure
    • Acute breathing failure with hypercapnia
    • Sudden and Long-Term Lung Failure with Low Oxygen
    • Acute and Chronic Hypoxic Respiratory Failure
    • Ongoing Breathing Failure with Low Oxygen
    • Sudden and long-term lung failure with high CO2
    • Acute-on-chronic hypercapnic respiratory failure
    • Mixed respiratory failure with hypercapnia

    ICD-10 Codes:

    • J9601: Acute respiratory failure with hypoxia
    • J9602: Acute respiratory failure with hypercapnia
    • J9621: Acute and chronic respiratory failure with hypoxia
    • J9622: Acute and chronic respiratory failure with hypercapnia

    Also known as:

    • Sepsis
    • E. Coli Sepsis
    • E. Coli Infection
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection
    • E. coli Blood Infection
    • E. coli Septicemia
    • Bacterial Blood Poisoning

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism
    • A4151: Sepsis due to Escherichia coli [E. coli]

    Also known as:

    • Cardiogenic Shock
    • Shock
    • Heart-related shock
    • Cardiac shock
    • Circulatory collapse from heart
    • Circulatory collapse
    • Systemic shock
    • Acute circulatory failure
    • Circulatory Collapse
    • Systemic Shock
    • Unspecified Shock

    ICD-10 Codes:

    • R570: Cardiogenic shock
    • R578: Other shock
    • R579: Shock, unspecified

    Also known as:

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

    ICD-10 Codes:

    • G9341: Metabolic encephalopathy

    Also known as:

    • Sudden Cardiac Arrest
    • Heart stops beating
    • Cardiopulmonary arrest

    ICD-10 Codes:

    • I469: Cardiac arrest, cause unspecified

    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:

    • Type 1 Diabetes with Diabetic Ketoacidosis
    • Diabetes Complicationss
    • Diabetes Type 1
    • Type 1 diabetes
    • Juvenile Diabetes with DKA
    • Insulin-Dependent Diabetes with Diabetic Acidosis
    • Type 1 Diabetes and Ketones

    ICD-10 Codes:

    • E1010: Type 1 diabetes mellitus with ketoacidosis without coma

    Also known as:

    • Anemia from Sudden Blood Loss
    • Anemia
    • Acute Blood Loss Anemia
    • Post-Hemorrhagic Anemia

    ICD-10 Codes:

    • D62: Acute posthemorrhagic anemia

    Also known as:

    • Slow Heart Rate
    • Arrhythmia
    • Bradycardia
    • Slow Pulse
    • Low Heart Rate

    ICD-10 Codes:

    • R001: Bradycardia, unspecified

    Which procedures does Dr. Jenssen perform as a Critical Care Internist?

    As a Critical Care Internist, procedures performed by a Dr. Fredrik Jenssen may include:

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

    Does Dr. Jenssen accept my insurance?

    Dr. Jenssen accepts most major insurance plans. Important: Please call our office at (920) 725-0077 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Jenssen accept in Neenah, WI?

    Dr. Jenssen in Neenah, WI 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

    • Department of Veterans Affairs

    • Elevance Health Inc. (formerly Anthem)

    • Health Partners Plans

    • Humana

    • Medicare

    • Network Health

    • State of Wisconsin

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Jenssen's office located?

    Dr. Fredrik Jenssen's Primary Practice

    130 2nd St

    Neenah, WI 54956

    (920) 725-0077

    Get Directions

    Dr. Fredrik Jenssen's Practice 2

    1818 N Meade St

    Appleton, WI 54911

    Get Directions

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

    Dr. Jenssen's National Provider Identifier (NPI) number is 1881007656.

    What common questions do patients ask about Dr. Jenssen?

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

    What is Dr. Fredrik Jenssen's specialty?

    Dr. Jenssen is a Critical Care Internist near Neenah, WI. An internist specializing in the diagnosis, treatment, and support of patients with multiple organ dysfunction. This specialist may hold administrative responsibilities within intensive care units and plays a key role in facilitating and coordinating patient care among primary physicians, critical care staff, and other specialists. Contact Dr. Jenssen to book an appointment today.

    Is this Dr. Fredrik Jenssen affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Jenssen is affiliated with Thedacare Regional Medical Center-Neenah, Thedacare Regional Medical Center-Appleton 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 Critical Care Internist?

    Explore Critical Care 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 Fredrik Jenssen accepting new patients in Neenah, WI?

    Yes, Dr. Fredrik Jenssen is accepting new patients at this time.

    Does Dr. Fredrik Jenssen offer online booking?

    Please contact Dr. Jenssen's office at (920) 725-0077 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Fredrik Jenssen?

    Please contact Dr. Jenssen's office at (920) 725-0077 for information regarding telehealth appointment availability or for scheduling assistance.

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