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Dr. Jaren Thomas, MD

Marshfield, WI

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Thomas, Internist in Marshfield, WI?

    Dr. Jaren Thomas, MD is an Internist, who primarily practices in Marshfield, WI with 2 additional practice locations. He is board certified. Dr. Thomas is fluent in English, and is currently seeing new patients. Dr. Thomas’s practice accepts Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Thomas’s office at (715) 847-3000.

    What are Areas of Expertise for Dr. Thomas?

    Dr. Jaren Thomas, MD is a highly-rated, board-certified Internist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Thomas empowers patients to confidently navigate their health journey, specializing in Preventive Medicine, Primary Care, or comprehensive wellness support. Serving the Marshfield/WI community, Dr. Thomas is dedicated to enhancing lives through expert, patient-centered care.

    What languages does Dr. Thomas speak?

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

    • English

    What conditions does Dr. Thomas treat?

    As a Internist, Dr. Thomas 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. Thomas. 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:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Urinary Device Fitting and Adjustment
    • Urological Device Fitting
    • Bladder Device Adjustment
    • Catheter Fitting

    ICD-10 Codes:

    • Z466: Encounter for fitting and adjustment of urinary device

    Also known as:

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

    ICD-10 Codes:

    • I4891: Unspecified atrial fibrillation
    • I480: Paroxysmal atrial fibrillation

    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

    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:

    • Hardening of the Arteries in the Heart without Chest Pain
    • Atherosclerosis
    • Coronary Artery Disease
    • Silent Coronary Artery Disease
    • Asymptomatic Atherosclerosis

    ICD-10 Codes:

    • I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris

    Also known as:

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

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • Systolic Heart Failure
    • Heart Failure
    • Heart Failure with Reduced Ejection Fraction
    • HFrEF
    • Pumping Heart Failure

    ICD-10 Codes:

    • I5020: Unspecified systolic (congestive) heart failure

    Also known as:

    • Walking Problems
    • Gait Abnormalities
    • Difficulty Walking
    • Unsteady Gait
    • Balance Problems

    ICD-10 Codes:

    • R2689: Other abnormalities of gait and mobility

    Also known as:

    • Acute Respiratory Failure with Low Oxygen
    • Respiratory Failure
    • Sudden lung failure with low oxygen
    • Hypoxic respiratory failure
    • Acute breathing failure with hypoxia

    ICD-10 Codes:

    • J9601: Acute respiratory failure with hypoxia

    Also known as:

    • Urinary Tract Infection
    • UTI
    • Bladder infection
    • Kidney infection
    • Urine infection

    ICD-10 Codes:

    • N390: Urinary tract infection, site not specified

    Also known as:

    • Cholera
    • Asiatic cholera
    • Epidemic cholera
    • Vibrio cholerae infection

    ICD-10 Codes:

    • A000: Cholera due to Vibrio cholerae 01, biovar cholerae

    Also known as:

    • Vascular Access Device Management
    • Vascular Access Care
    • Port Management
    • Catheter Care

    ICD-10 Codes:

    • Z452: Encounter for adjustment and management of vascular access device

    Also known as:

    • Wound Dressing Change or Removal
    • Wounds and Injuries
    • Non-surgical dressing care
    • Wound care visit
    • Dressing replacement

    ICD-10 Codes:

    • Z4800: Encounter for change or removal of nonsurgical wound dressing

    Also known as:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified

    Also known as:

    • Lewy Body Dementia
    • Dementia with Lewy bodies
    • Dementia with Lewy Bodies
    • DLB
    • Lewy Body Disease

    ICD-10 Codes:

    • G3183: Neurocognitive disorder with Lewy bodies

    Also known as:

    • Pre-Procedure Heart Examination
    • Pre-Surgery Cardiac Checkup
    • Heart Health Assessment (Before Procedure)
    • Cardiovascular Clearance Exam

    ICD-10 Codes:

    • Z01810: Encounter for preprocedural cardiovascular examination

    Also known as:

    • Shortness of Breath
    • Breathing Problems
    • Dyspnea
    • Difficulty breathing
    • Breathlessness

    ICD-10 Codes:

    • R0609: Other forms of dyspnea

    Which procedures does Dr. Thomas perform as a Internist?

    As a Internist, procedures performed by an Dr. Jaren Thomas may include:

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

    Does Dr. Thomas accept my insurance?

    Dr. Thomas accepts most major insurance plans. Important: Please call our office at (715) 847-3000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Thomas accept in Marshfield, WI?

    Dr. Thomas in Marshfield, WI accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Aetna

    • Allegiance Benefit Plan Management

    • Blue Cross Blue Shield

    • Common Ground Healthcare Corporation

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Medicare

    • Network Health

    • UnitedHealthcare

    • Wisconsin Physicians Health (WPS)

    View All Insurances

    Where is Dr. Thomas' office located?

    Dr. Jaren Thomas' Primary Practice

    1000 N Oak Ave Fl 2

    Marshfield, WI 54449

    (715) 847-3000

    Get Directions

    Dr. Jaren Thomas' Practice 2

    9200 W Wisconsin Ave

    Milwaukee, WI 53226

    Get Directions

    Dr. Jaren Thomas' Practice 3

    3400 Ministry Pkwy

    Weston, WI 54476

    Get Directions

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

    Dr. Thomas's National Provider Identifier (NPI) number is 1164645164.

    What common questions do patients ask about Dr. Thomas?

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

    What is Dr. Jaren Thomas's specialty?

    Dr. Thomas is a Internist near Marshfield, WI.

    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. Thomas to book an appointment today.

    Is this Dr. Jaren Thomas affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Thomas is affiliated with Marshfield Medical Center - Marshfield 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 Jaren Thomas accepting new patients in Marshfield, WI?

    Yes, Dr. Jaren Thomas is accepting new patients at this time.

    Does Dr. Jaren Thomas offer online booking?

    Please contact Dr. Thomas's office at (715) 847-3000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Jaren Thomas?

    Please contact Dr. Thomas's office at (715) 847-3000 for information regarding telehealth appointment availability or for scheduling assistance.

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