Dr. Casey Hollensteiner, MD

O Fallon, IL

Accepting patients

Who is Dr. Hollensteiner, Emergency Medicine Specialist in O Fallon, IL?

Dr. Casey Hollensteiner, MD is an Emergency Medicine Specialist, who primarily practices in O Fallon, IL with 1 additional practice location. Dr. Hollensteiner graduated from Southern Illinois Univ School of Medicine. Dr. Hollensteiner is fluent in English, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. Hollensteiner’s office at (618) 624-3750.

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

Medical School: Southern Illinois University At Edwardsville | Southern Illinois Univ School of Medicine

What languages does Dr. Hollensteiner speak?

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

English

What conditions does an Emergency Medicine Specialist like Dr. Hollensteiner typically treat?

As an Emergency Medicine Specialist, Dr. Hollensteiner 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. Hollensteiner. 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:

Sinusitis
Sinus Infection
Rhinosinusitis
Acute Sinus Infection

ICD-10 Codes:

J0190: Acute sinusitis, unspecified

What procedures does an Emergency Medicine Specialist like Dr. Hollensteiner typically perform?

As an Emergency Medicine Specialist, procedures performed by Dr. Casey Hollensteiner may include:

Please contact Dr. Hollensteiner's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.

Does Dr. Hollensteiner accept my insurance?

Dr. Hollensteiner accepts most major insurance plans. Important: Please call our office at (618) 624-3750 before your appointment to verify that your specific plan and network are accepted.

What insurance plans does Dr. Hollensteiner accept in O Fallon, IL?

Dr. Hollensteiner in O Fallon, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

Top Insurances

UnitedHealth Group

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Where is Dr. Hollensteiner's office located?

Dr. Casey Hollensteiner's Primary Practice

1512 N Green Mount Rd

O Fallon, IL 62269

(618) 624-3750

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Dr. Casey Hollensteiner's Practice 2

4500 Memorial Dr

Belleville, IL 62226

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

Dr. Hollensteiner's National Provider Identifier (NPI) number is 1750517850.

What common questions do patients ask about Dr. Hollensteiner?

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

What is Dr. Casey Hollensteiner's specialty?

Dr. Hollensteiner is an Emergency Medicine Specialist near O Fallon, IL.

What does an Emergency Medicine Specialist do?

An emergency physician is dedicated to making prompt decision and taking necessary actions essential for preventing death or additional disabilities. This role encompasses guiding emergency medical technicians in pre-hospital environments as well as providing care within the emergency department. The emergency physician is responsible for the immediate identification, evaluation, treatment, stabilization, and arrangement of a diverse array of adult and pediatric patients facing acute illnesses and injuries.

Is Dr. Casey Hollensteiner affiliated with a ranked Castle Connolly Top Hospital?

No, Dr. Hollensteiner is not affiliated with a Castle Connolly Top Hospital. Castle Connolly Top Hospitals 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 an Emergency Medicine Specialist?: Guides for symptoms, conditions, and treatments

Understand your symptoms and know when it’s time to see an Emergency Medicine Specialist. 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.