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Dr. Fred Lai, MD

Fontana, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Lai, Internist in Fontana, CA?

    Dr. Fred Lai, MD is an Internist, who primarily practices in Fontana, CA. He is board certified. Dr. Lai is fluent in English, and is currently seeing new patients. Dr. Lai’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Lai’s office at (909) 427-5000.

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

      Is Dr. Lai board certified as an Internist?

      Yes, Dr. Fred Lai, MD is board certified by the American Board of Internal Medicine

      What languages does Dr. Lai speak?

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

      • English

      What conditions does an Internist like Dr. Lai typically treat?

      As an Internist, Dr. Lai 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. Lai. 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:

      • Pressure Sore
      • Pressure Sores
      • Bed Sore
      • Decubitus Ulcer
      • Pressure Ulcer

      ICD-10 Codes:

      • L89154: Pressure ulcer of sacral region, stage 4

      Also known as:

      • Pneumonia
      • Lung Infection
      • Chest Infection
      • Pneumonitis

      ICD-10 Codes:

      • J189: Pneumonia, unspecified organism

      Also known as:

      • Acute Respiratory Failure
      • Respiratory Failure
      • Sudden lung failure
      • Acute breathing failure
      • Rapid onset respiratory failure

      ICD-10 Codes:

      • 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:

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

      ICD-10 Codes:

      • I639: Cerebral infarction, unspecified

      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

      What procedures does an Internist like Dr. Lai typically perform?

      As an Internist, procedures performed by Dr. Fred Lai may include:

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

      Does Dr. Lai accept my insurance?

      Dr. Lai accepts most major insurance plans. Important: Please call our office at (909) 427-5000 before your appointment to verify that your specific plan and network are accepted.

      What insurance plans does Dr. Lai accept in Fontana, CA?

      Dr. Lai in Fontana, 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

      • City of Los Angeles

      • HealthRight Group

      • Heritage Health

      • Inland Faculty Medical Group, Inc

      • Kaiser Permanente

      • Medicare

      • Molina Healthcare

      • Other Health Care Provider

      • Unknown

      View All Insurances

      Where is Dr. Lai's office located?

      Dr. Fred Lai's Primary Practice

      9961 Sierra Ave

      Fontana, CA 92335

      (909) 427-5000

      Get Directions

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

      Dr. Lai's National Provider Identifier (NPI) number is 1649476128.

      What common questions do patients ask about Dr. Lai?

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

      What is Dr. Fred Lai's specialty?

      Dr. Lai is a Internist near Fontana, CA.

      What does an Internist do?

      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.

      Is this Dr. Fred Lai affiliated with a ranked Castle Connolly Top Hospital?

      Yes, Dr. Lai is affiliated with Kaiser Permanente Fontana Medical Center, Kaiser Permanente Riverside Medical Center, St. Bernardine Medical Center, San Antonio Regional 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 an Internist?: Guides for symptoms, conditions, and treatments

      Understand your symptoms and know when it’s time to see an Internist. 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 Fred Lai accepting new patients in Fontana, CA?

      Yes, Dr. Fred Lai is accepting new patients at this time.

      Does Dr. Fred Lai offer online booking?

      Please contact Dr. Lai's office at (909) 427-5000 for information about online booking, telehealth, or to schedule an appointment.

      How can I make an appointment with Fred Lai?

      Please contact Dr. Lai's office at (909) 427-5000 for information regarding telehealth appointment availability or for scheduling assistance.

      Which board certifications does Dr. Fred Lai have?

      Dr. Fred Lai is certified by the American Board of Internal Medicine.

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