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Dr. Lydia Villanueva, MD

Fontana, CA

40 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

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

    Dr. Lydia Villanueva, MD is an Internist, who primarily practices in Fontana, CA with 1 additional practice location. She has been practicing for over 40 years and is board certified. Dr. Villanueva completed her residency at L A Co-Usc Med Ctr, Internal Medicine. Dr. Villanueva is fluent in English, and is currently seeing new patients. Dr. Villanueva’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Villanueva’s office at (909) 822-1164.

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

    • Residency: L A Co-Usc Med Ctr, Internal Medicine

    • Medical School: Manila Central University, Coll of Med, Caloocan City

    Is Dr. Villanueva board certified as an Internist?

    Yes, Dr. Lydia Villanueva, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Villanueva speak?

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

    • English

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

    As an Internist, Dr. Villanueva 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. Villanueva. 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:

    • 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:

    • General Health Screening
    • Health Screening
    • Routine Check-up
    • Preventive Health Exam
    • Wellness Screening

    ICD-10 Codes:

    • Z139: Encounter for screening, unspecified

    Also known as:

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

    ICD-10 Codes:

    • Z23: Encounter for immunization

    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:

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

    ICD-10 Codes:

    • R109: Unspecified abdominal pain

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

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

    As an Internist, procedures performed by Dr. Lydia Villanueva may include:

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

    Does Dr. Villanueva accept my insurance?

    Dr. Villanueva accepts most major insurance plans. Important: Please call our office at (909) 822-1164 before your appointment to verify that your specific plan and network are accepted.

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

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

    Top Insurances

    • Alignment Healthcare

    • All Other Third Party

    • AlphaCare

    • Kaiser Permanente

    • Medicare

    • Other Health Care Provider

    • Unknown

    View All Insurances

    Where is Dr. Villanueva's office located?

    Dr. Lydia Villanueva's Primary Practice

    8110 Mango Ave

    Fontana, CA 92335

    (909) 822-1164

    Get Directions

    Dr. Lydia Villanueva's Practice 2

    1301 California St

    Redlands, CA 92374

    Get Directions

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

    Dr. Villanueva's National Provider Identifier (NPI) number is 1972563765.

    What common questions do patients ask about Dr. Villanueva?

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

    What is Dr. Lydia Villanueva's specialty?

    Dr. Villanueva 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. Lydia Villanueva affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Villanueva 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

    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 Lydia Villanueva accepting new patients in Fontana, CA?

    Yes, Dr. Lydia Villanueva is accepting new patients at this time.

    Does Dr. Lydia Villanueva offer online booking?

    Please contact Dr. Villanueva's office at (909) 822-1164 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Lydia Villanueva?

    Please contact Dr. Villanueva's office at (909) 822-1164 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Lydia Villanueva have?

    Dr. Lydia Villanueva is certified by the American Board of Internal Medicine.

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