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Dr. Allan Hansen, MD

Fountain Valley, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Hansen, Emergency Medicine Specialist in Fountain Valley, CA?

    Dr. Allan Hansen, MD is an Emergency Medicine Specialist, who primarily practices in Fountain Valley, CA with 2 additional practice locations. Dr. Hansen graduated from The Warren Alpert Medical School of Brown University. Dr. Hansen is fluent in English and Spanish, and is currently seeing new patients. Dr. Hansen’s practice accepts Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hansen’s office at (858) 336-8174.

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

    • Medical School: The Warren Alpert Medical School of Brown University

    What languages does Dr. Hansen speak?

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

    • English

    • Spanish

    What conditions does Dr. Hansen treat?

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

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Pectoral pain

    ICD-10 Codes:

    • R0789: Other chest pain

    Also known as:

    • Widespread Abdominal Pain
    • Upper Middle Abdominal Pain
    • Abdominal Pain
    • General stomach pain
    • Overall belly pain
    • Diffuse abdominal pain
    • Epigastric pain
    • Pain below breastbone
    • Upper stomach pain

    ICD-10 Codes:

    • R1084: Generalized abdominal pain
    • R1013: Epigastric pain

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Dizziness
    • Dizziness and Vertigo
    • Lightheadedness
    • Giddiness
    • Vertigo

    ICD-10 Codes:

    • R42: Dizziness and giddiness

    Also known as:

    • Head Injury
    • Head Injuries
    • Head Trauma
    • Cranial Injury
    • Brain Injury

    ICD-10 Codes:

    • S0990XA: Unspecified injury of head, initial encounter

    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:

    • Nausea and Vomiting
    • Feeling Sick and Throwing Up
    • Stomach Flu Symptoms
    • Queasy and Vomiting

    ICD-10 Codes:

    • R112: Nausea with vomiting, unspecified

    Also known as:

    • Headache
    • Head pain
    • Cephalalgia
    • Tension headache

    ICD-10 Codes:

    • R519: Headache, unspecified

    Also known as:

    • Fainting
    • Syncope
    • Passing out
    • Collapse

    ICD-10 Codes:

    • R55: Syncope and collapse

    Also known as:

    • Abnormal EKG
    • Heart Health Tests
    • Irregular Electrocardiogram
    • Unusual Heart Rhythm Test
    • ECG Abnormalities

    ICD-10 Codes:

    • R9431: Abnormal electrocardiogram [ECG] [EKG]

    Also known as:

    • Bladder Inflammation
    • Bladder Disease
    • Cystitis
    • Bladder Infection
    • Painful Bladder

    ICD-10 Codes:

    • N3090: Cystitis, unspecified without hematuria

    Also known as:

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Upper body pain

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

    • Pneumonia
    • Lung Infection
    • Chest Infection
    • Pneumonitis

    ICD-10 Codes:

    • J189: Pneumonia, unspecified organism

    Also known as:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    Also known as:

    • Fast Heartbeat
    • Arrhythmia
    • Tachycardia
    • Rapid heart rate
    • Racing heart

    ICD-10 Codes:

    • R000: Tachycardia, unspecified

    Also known as:

    • Heart Attack (NSTEMI)
    • Heart Attack
    • Myocardial Infarction
    • Non-STEMI
    • Less Severe Heart Attack

    ICD-10 Codes:

    • I214: Non-ST elevation (NSTEMI) myocardial infarction

    Also known as:

    • Low Back Pain
    • Back Pain
    • Lumbago
    • Lower Back Ache
    • Backache

    ICD-10 Codes:

    • M5450: Low back pain, unspecified

    Also known as:

    • Acidosis
    • Metabolic Disorder
    • Acidic Blood
    • High Acidity in Body

    ICD-10 Codes:

    • E8720: Acidosis, unspecified

    Also known as:

    • Flu with Respiratory Symptoms
    • Flu
    • Influenza with Breathing Problems
    • Flu with Cough
    • Severe Flu

    ICD-10 Codes:

    • J101: Influenza due to other identified influenza virus with other respiratory manifestations

    Which procedures does Dr. Hansen perform as an Emergency Medicine Specialist?

    As an Emergency Medicine Specialist, procedures performed by Dr. Allan Hansen may include:

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

    Does Dr. Hansen accept my insurance?

    Dr. Hansen accepts most major insurance plans. Important: Please call our office at (858) 336-8174 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Hansen accept in Fountain Valley, CA?

    Dr. Hansen in Fountain Valley, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Alliant Techsystems

    • Blue Shield of California

    • CalOptima

    • Crown Cork and Seal Company

    • Inland Empire

    • Kaiser Permanente

    • Monarch HealthCare

    • Other Health Care Provider

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Hansen's office located?

    Dr. Allan Hansen's Primary Practice

    9920 Talbert Ave

    Fountain Valley, CA 92708

    (858) 336-8174

    Get Directions

    Dr. Allan Hansen's Practice 2

    200 W Arbor Dr

    San Diego, CA 92103

    Get Directions

    Dr. Allan Hansen's Practice 3

    9300 Campus Point Dr

    La Jolla, CA 92037

    Get Directions

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

    Dr. Hansen's National Provider Identifier (NPI) number is 1619175759.

    What common questions do patients ask about Dr. Hansen?

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

    What is Dr. Allan Hansen's specialty?

    Dr. Hansen is a Emergency Medicine Specialist near Fountain Valley, CA. 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. Contact Dr. Hansen to book an appointment today.

    Is this Dr. Allan Hansen affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Hansen is affiliated with UCI Medical Center, Hoag Hospital Newport Beach, Riverside Community Hospital, Kaiser Permanente Orange County - Anaheim Medical Center, UCI Health - Fountain Valley, Arrowhead Regional Medical Center 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 Emergency Medicine Specialist?

    Explore Emergency Medicine Specialist 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 Allan Hansen accepting new patients in Fountain Valley, CA?

    Yes, Dr. Allan Hansen is accepting new patients at this time.

    Does Dr. Allan Hansen offer online booking?

    Please contact Dr. Hansen's office at (858) 336-8174 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Allan Hansen?

    Please contact Dr. Hansen's office at (858) 336-8174 for information regarding telehealth appointment availability or for scheduling assistance.

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