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Dr. Michael Loi, DO

Laguna Hills, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Loi, Internist in Laguna Hills, CA?

    Dr. Michael Loi, DO is an Internist, who primarily practices in Laguna Hills, CA with 2 additional practice locations. He is board certified. Dr. Loi is fluent in English, and is currently seeing new patients. Dr. Loi’s practice accepts Cigna, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Loi’s office at (909) 580-1000.

    What languages does Dr. Loi speak?

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

    • English

    What conditions does Dr. Loi treat?

    As a Internist, Dr. Loi 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. Loi. 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 Respiratory Failure
    • Respiratory Failure
    • Sudden lung failure with low oxygen
    • Hypoxic respiratory failure
    • Acute breathing failure with hypoxia
    • Sudden lung failure
    • Acute breathing failure
    • Rapid onset respiratory failure

    ICD-10 Codes:

    • J9601: Acute respiratory failure with hypoxia
    • J9600: Acute respiratory failure, unspecified whether with hypoxia or hypercapnia

    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:

    • 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:

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

    ICD-10 Codes:

    • I4891: Unspecified atrial fibrillation

    Also known as:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    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:

    • Fainting
    • Syncope
    • Passing out
    • Collapse

    ICD-10 Codes:

    • R55: Syncope and collapse

    Also known as:

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

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

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

    ICD-10 Codes:

    • I639: Cerebral infarction, unspecified

    Which procedures does Dr. Loi perform as a Internist?

    As a Internist, procedures performed by an Dr. Michael Loi may include:

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

    Does Dr. Loi accept my insurance?

    Dr. Loi accepts most major insurance plans. Important: Please call our office at (909) 580-1000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Loi accept in Laguna Hills, CA?

    Dr. Loi in Laguna Hills, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Alignment Health Plan

    • All Other Third Party

    • CalOptima

    • Centene

    • Humana

    • Inland Empire

    • Medicare

    • Monarch HealthCare

    • Other Health Care Provider

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Loi's office located?

    Dr. Michael Loi's Primary Practice

    23521 Paseo de Valencia Ste 311

    Laguna Hills, CA 92653

    (909) 580-1000

    Get Directions

    Dr. Michael Loi's Practice 2

    400 N Pepper Ave

    Colton, CA 92324

    Get Directions

    Dr. Michael Loi's Practice 3

    11 Technology Dr

    Irvine, CA 92618

    Get Directions

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

    Dr. Loi's National Provider Identifier (NPI) number is 1861057556.

    What common questions do patients ask about Dr. Loi?

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

    What is Dr. Michael Loi's specialty?

    Dr. Loi is a Internist near Laguna Hills, CA.

    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. Loi to book an appointment today.

    Is this Dr. Michael Loi affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Loi is affiliated with Providence Mission Hospital Mission Viejo, Riverside University Health System 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 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 Michael Loi accepting new patients in Laguna Hills, CA?

    Yes, Dr. Michael Loi is accepting new patients at this time.

    Does Dr. Michael Loi offer online booking?

    Please contact Dr. Loi's office at (909) 580-1000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Michael Loi?

    Please contact Dr. Loi's office at (909) 580-1000 for information regarding telehealth appointment availability or for scheduling assistance.

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