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Dr. Nathaniel Fullerton, MD

Fort Atkinson, WI

24 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Fullerton, Internist in Fort Atkinson, WI?

    Dr. Nathaniel Fullerton, MD is an Internist, who primarily practices in Fort Atkinson, WI with 2 additional practice locations. He has been practicing for over 24 years and is board certified by the American Board of Internal Medicine. Dr. Fullerton completed his residency at Marshfield Cl/St Joseph Hp, Internal Medicine. Dr. Fullerton is fluent in English and Spanish, and is currently seeing new patients. Dr. Fullerton’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Fullerton’s office at (920) 568-5000.

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

    • Residency: Marshfield Cl/St Joseph Hp, Internal Medicine

    • Medical School: University of Wi Med Sch, Madison Wi

    Is Dr. Fullerton board certified in Internist?

    Yes, Dr. Nathaniel Fullerton, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Fullerton speak?

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

    • English

    • Spanish

    What conditions does Dr. Fullerton treat?

    As a Internist, Dr. Fullerton 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. Fullerton. 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 and Chronic Respiratory Failure with High Carbon Dioxide
    • 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 high CO2
    • Acute-on-chronic hypercapnic respiratory failure
    • Mixed respiratory failure with hypercapnia
    • 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
    • J9622: Acute and chronic respiratory failure with hypercapnia
    • J9621: Acute and chronic respiratory failure with hypoxia

    Also known as:

    • Generalized Muscle Weakness
    • Muscle Disorder
    • Overall Body Weakness
    • Widespread Muscle Weakness
    • Systemic Muscle Weakness

    ICD-10 Codes:

    • M6281: Muscle weakness (generalized)

    Also known as:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    Also known as:

    • Pneumonia
    • Aspiration Pneumonia
    • Lung Infection
    • Chest Infection
    • Pneumonitis
    • Inhalation Pneumonia
    • Chemical Pneumonitis
    • Aspiration Lung Infection

    ICD-10 Codes:

    • J189: Pneumonia, unspecified organism
    • J690: Pneumonitis due to inhalation of food and vomit

    Also known as:

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

    ICD-10 Codes:

    • I4891: Unspecified atrial fibrillation

    Also known as:

    • Muscle Weakness
    • Muscle Disorder
    • Loss of strength
    • Fatigue
    • Muscle fatigue

    ICD-10 Codes:

    • R531: Weakness

    Also known as:

    • Ischemic Stroke
    • Brain Attack
    • Cerebral Infarction
    • Brain Ischemia

    ICD-10 Codes:

    • I639: Cerebral infarction, 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:

    • Muscle Wasting in Multiple Areas
    • Muscle Disorder
    • Generalized Muscle Atrophy
    • Widespread Muscle Loss
    • Muscle Shrinkage in Multiple Sites

    ICD-10 Codes:

    • M6259: Muscle wasting and atrophy, not elsewhere classified, multiple sites

    Also known as:

    • Critical Illness Myopathy
    • Muscle Disorder
    • ICU-acquired weakness
    • Critical care myopathy
    • Muscle weakness after severe illness

    ICD-10 Codes:

    • G7281: Critical illness myopathy

    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:

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

    ICD-10 Codes:

    • N390: Urinary tract infection, site not specified

    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:

    • COPD
    • Chronic Obstructive Pulmonary Disease
    • Chronic Lung Disease
    • Emphysema and Chronic Bronchitis

    ICD-10 Codes:

    • J449: Chronic obstructive pulmonary disease, unspecified

    Also known as:

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

    ICD-10 Codes:

    • G9341: Metabolic encephalopathy

    Also known as:

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

    ICD-10 Codes:

    • R0602: Shortness of breath

    Also known as:

    • Cellulitis of Left Lower Limb
    • Cellulitis
    • Left Leg Skin Infection
    • Bacterial Left Leg Infection
    • Spreading Left Leg Infection

    ICD-10 Codes:

    • L03116: Cellulitis of left lower limb

    What procedures does Dr. Fullerton perform?

    As a Internist, Dr. Fullerton 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. Fullerton. 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:

    • Individual Speech and Language Therapy
    • Speech-Language Pathology
    • Voice Therapy
    • Communication Disorder Treatment
    • Auditory Processing Therapy

    CPT Codes:

    • 92507: Treatment Of Speech, Language, Voice, Communication, And/Or Auditory Processing Disorder; Individual

    Also known as:

    • Swallowing Therapy
    • Dysphagia Treatment
    • Feeding Therapy
    • Oral Function Therapy

    CPT Codes:

    • 92526: Treatment of swallowing dysfunction and/or oral function for feeding

    Does Dr. Fullerton accept my insurance?

    Dr. Fullerton accepts most major insurance plans. Important: Please call our office at (920) 568-5000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Fullerton accept in Fort Atkinson, WI?

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

    Top Insurances

    • Dean Health Plan

    • Department of Veterans Affairs

    • Elevance Health Inc. (formerly Anthem)

    • Medicare

    • Network Health

    • Quartz Health Solutions

    • Security Health Plan

    • State of Wisconsin

    • The Health Plan of the Upper Ohio Valley

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Fullerton's office located?

    Dr. Nathaniel Fullerton's Primary Practice

    611 Sherman Ave E

    Fort Atkinson, WI 53538

    (920) 568-5000

    Get Directions

    Dr. Nathaniel Fullerton's Practice 2

    620 W Brown St

    Waupun, WI 53963

    Get Directions

    Dr. Nathaniel Fullerton's Practice 3

    801 Braxton Pl

    Madison, WI 53715

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

    Dr. Fullerton's National Provider Identifier (NPI) number is 1366417461.

    What common questions do patients ask about Dr. Fullerton?

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

    What is Dr. Nathaniel Fullerton's specialty?

    Dr. Fullerton is a Internist near Fort Atkinson, 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. Fullerton to book an appointment today.

    Is this Dr. Nathaniel Fullerton affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Fullerton is affiliated with SSM Health St. Mary's Hospital - Madison, UW Health University Hospital, Marshfield Medical Center - Marshfield 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 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 Nathaniel Fullerton accepting new patients in Fort Atkinson, WI?

    Yes, Dr. Nathaniel Fullerton is accepting new patients at this time.

    Does Dr. Nathaniel Fullerton offer online booking?

    Please contact Dr. Fullerton's office at (920) 568-5000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Nathaniel Fullerton?

    Please contact Dr. Fullerton's office at (920) 568-5000 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Nathaniel Fullerton have?

    Dr. Nathaniel Fullerton is certified by the American Board of Internal Medicine.

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