EN
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Nielsen, Pulmonologist in Waukesha, WI?
Dr. Elizabeth Nielsen, MD is a Pulmonologist, who primarily practices in Waukesha, WI with 2 additional practice locations. Dr. Nielsen is fluent in English, and is currently seeing new patients. Dr. Nielsen’s practice accepts Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Nielsen’s office at (765) 448-8000.
What languages does Dr. Nielsen speak?
Dr. Nielsen and their clinical team can communicate with patients in the following languages:
English
What conditions does a Pulmonologist like Dr. Nielsen typically treat?
As a Pulmonologist, Dr. Nielsen 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. Nielsen. 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:
- 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:
- Pneumonia
- Lung Infection
- Chest Infection
- Pneumonitis
ICD-10 Codes:
- J189: Pneumonia, unspecified organism
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:
- Shock
- Circulatory Collapse
- Systemic Shock
- Unspecified Shock
ICD-10 Codes:
- R579: Shock, unspecified
Also known as:
- Sudden Cardiac Arrest
- Heart stops beating
- Cardiopulmonary arrest
ICD-10 Codes:
- I469: Cardiac arrest, cause unspecified
What procedures does a Pulmonologist like Dr. Nielsen typically perform?
As a Pulmonologist, procedures performed by Dr. Elizabeth Nielsen may include:
- Bronchoscopy
- Endobronchial Ultrasound (EBUS)
- Interventional Bronchoscopy
- Intrathoracic Adenopathy
- Lung Cancer Screening
- Lung Cancer Staging
- Lung Surgery Consultation
- Mechanical Ventilation
Please contact Dr. Nielsen's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Nielsen accept my insurance?
Dr. Nielsen accepts most major insurance plans. Important: Please call our office at (765) 448-8000 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Nielsen accept in Waukesha, WI?
Dr. Nielsen in Waukesha, 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
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Humana
Medicaid
Medicare
Quartz Health Solutions
UMR Administered Payer
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Nielsen's office located?
Dr. Elizabeth Nielsen's Primary Practice
725 American Ave
Waukesha, WI 53188
(765) 448-8000
What is Dr. Nielsen's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Nielsen's National Provider Identifier (NPI) number is 1861842007.
What common questions do patients ask about Dr. Nielsen?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Nielsen
What is Dr. Elizabeth Nielsen's specialty?
Dr. Nielsen is a Pulmonologist near Waukesha, WI.
What does a Pulmonologist do?
An internist specializing in the treatment of lung and airway diseases. The pulmonologist diagnoses and manages conditions such as cancer, pneumonia, pleurisy, asthma, occupational and environmental illnesses, bronchitis, sleep disorders, emphysema, and other complex lung disorders.
Is this Dr. Elizabeth Nielsen affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Nielsen is affiliated with Prohealth Waukesha Memorial Hospital, Prohealth Oconomowoc Memorial Hospital, Ascension Columbia St. Mary's - Women's Medical Center, Froedtert Hospital 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 Pulmonologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Pulmonologist. 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 Elizabeth Nielsen accepting new patients in Waukesha, WI?
Yes, Dr. Elizabeth Nielsen is accepting new patients at this time.
Does Dr. Elizabeth Nielsen offer online booking?
Please contact Dr. Nielsen's office at (765) 448-8000 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Elizabeth Nielsen?
Please contact Dr. Nielsen's office at (765) 448-8000 for information regarding telehealth appointment availability or for scheduling assistance.
Other Pulmonologist Near Waukesha, WI

Pulmonologist
Dr. Jane Neumann, MD is a Pulmonologist, who primarily practices in Waukesha, WI. She has been practicing for over 49 years.
Waukesha, WI
FM
Pulmonologist
Dr. Faizan Malik, MD is a Pulmonologist, who primarily practices in Burlington, WI with 2 additional practice locations.
Burlington, WI
AR
Pulmonologist
Dr. Arnaldo Rodriguez Rivera, MD is a Pulmonologist, who primarily practices in Burlington, WI with 2 additional practice locations.
Burlington, WI