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Dr. Thomas Chen, MD

Dr. Thomas Chen, MD

Fontana, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

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

    Dr. Thomas Chen, MD is an Internist, who primarily practices in Fontana, CA with 2 additional practice locations. He is board certified. Dr. Chen graduated from Loma Linda University School of Medicine and completed his residency at Loma Linda University in California. Dr. Chen is fluent in English and Chinese, and is currently seeing new patients. Dr. Chen’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Chen’s office at (909) 824-0800.

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

    • Residency: Loma Linda University in California | USC/LAC-Keck School of Medicine

    • Medical School: Loma Linda University School of Medicine

    What languages does Dr. Chen speak?

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

    • Chinese

    • English

    What conditions does Dr. Chen treat?

    As a Internist, Dr. Chen 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. Chen. 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:

    • Immunization Visit
    • Vaccines
    • Vaccination appointment
    • Shot visit
    • Immunization encounter

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • Personal Choice Not to Vaccinate
    • Patient Refused Vaccination
    • Vaccine Refusal
    • Patient Declined Vaccination
    • Unvaccinated by Choice
    • Vaccine refusal
    • Refusal to vaccinate
    • Immunization refusal

    ICD-10 Codes:

    • Z2820: Immunization not carried out because of patient decision for unspecified reason
    • Z2821: Immunization not carried out because of patient refusal

    Also known as:

    • Type 2 Diabetes
    • Diabetes Type 2
    • Type 2 diabetes
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    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:

    • Pneumonia
    • Lung Infection
    • Chest Infection
    • Pneumonitis

    ICD-10 Codes:

    • J189: Pneumonia, unspecified organism

    Also known as:

    • Abdominal Pain
    • Stomach Ache
    • Belly Pain
    • Stomach Pain

    ICD-10 Codes:

    • R109: Unspecified abdominal pain

    Also known as:

    • Osteoporosis Screening
    • Health Screening
    • Bone Density Test
    • Bone Health Screening
    • DEXA Scan

    ICD-10 Codes:

    • Z13820: Encounter for screening for osteoporosis

    Also known as:

    • Routine Adult Health Checkup
    • Health Checkup
    • Adult physical exam
    • Annual wellness visit for adults
    • General adult medical exam

    ICD-10 Codes:

    • Z0000: Encounter for general adult medical examination without abnormal findings

    Which procedures does Dr. Chen perform as a Internist?

    As a Internist, procedures performed by an Dr. Thomas Chen may include:

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

    Does Dr. Chen accept my insurance?

    Dr. Chen accepts most major insurance plans. Important: Please call our office at (909) 824-0800 before your appointment to verify that your specific plan and network are accepted.

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

    Dr. Chen 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

    • Centene

    • DaVita Medical Group

    • Heritage Health

    • Inland Empire

    • Kaiser Permanente

    • Medicare

    • Other Health Care Provider

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Chen's office located?

    Dr. Thomas Chen's Primary Practice

    9961 Sierra Ave

    Fontana, CA 92335

    (909) 824-0800

    Get Directions

    Dr. Thomas Chen's Practice 2

    11234 Anderson St Ste 1513

    Loma Linda, CA 92354

    Get Directions

    Dr. Thomas Chen's Practice 3

    7117 Brockton Ave

    Riverside, CA 92506

    Get Directions

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

    Dr. Chen's National Provider Identifier (NPI) number is 1053329227.

    What common questions do patients ask about Dr. Chen?

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

    What is Dr. Thomas Chen's specialty?

    Dr. Chen is a Internist near Fontana, 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. Chen to book an appointment today.

    Is this Dr. Thomas Chen affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Chen is affiliated with Kaiser Permanente Fontana Medical Center which is a Castle Connolly Top Hospital. 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 Thomas Chen accepting new patients in Fontana, CA?

    Yes, Dr. Thomas Chen is accepting new patients at this time.

    Does Dr. Thomas Chen offer online booking?

    Please contact Dr. Chen's office at (909) 824-0800 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Thomas Chen?

    Please contact Dr. Chen's office at (909) 824-0800 for information regarding telehealth appointment availability or for scheduling assistance.

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