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Dr. Daniel Rios, MD

Fairfield, CA

Accepting patients

    Who is Dr. Rios, Internist in Fairfield, CA?

    Dr. Daniel Rios, MD is an Internist, who primarily practices in Fairfield, CA with 2 additional practice locations. He is board certified. Dr. Rios completed his residency at Univ Ca Davis Med Ctr, Internal Medicine. Dr. Rios is fluent in English and Spanish, and is currently seeing new patients. Dr. Rios’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Rios’s office at (707) 427-4000.

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

    • Residency: Univ Ca Davis Med Ctr, Internal Medicine | University Ca Davis Med Center

    • Medical School: University of Ca, San Francisco, Sch of Med, San Francisco Ca

    Is Dr. Rios board certified as an Internist?

    Yes, Dr. Daniel Rios, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Rios speak?

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

    • English

    • Spanish

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

    As an Internist, Dr. Rios 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. Rios. 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 here.

    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

    Also known as:

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

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • Chronic Venous Insufficiency
    • Vascular Disease
    • CVI
    • Venous Reflux Disease
    • Leg Vein Incompetence
    • Peripheral Venous Insufficiency

    ICD-10 Codes:

    • I872: Venous insufficiency (chronic) (peripheral)

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Pressure Sores
    • Bedsores
    • Decubitus Ulcers
    • Pressure Ulcers

    ICD-10 Codes:

    • L89623: Pressure ulcer of left heel, stage 3

    Also known as:

    • Worsening Chronic Systolic Heart Failure
    • Heart Failure
    • Acute Decompensated HFrEF
    • Sudden Worsening Heart Failure
    • Acute on Chronic Pumping Heart Failure

    ICD-10 Codes:

    • I5023: Acute on chronic systolic (congestive) heart failure

    Also known as:

    • Other Chronic Pain Condition
    • Chronic Pain
    • Various chronic pain
    • Unspecified long-term pain
    • Persistent pain disorders

    ICD-10 Codes:

    • G8929: Other chronic pain

    Also known as:

    • High Blood Pressure Heart and Kidney Disease with Heart Failure
    • Chronic Kidney Disease
    • Heart Failure
    • High Blood Pressure
    • Hypertensive Cardiorenal Syndrome
    • Heart and Kidney Failure from High Blood Pressure

    ICD-10 Codes:

    • I130: Hypertensive heart and chronic kidney disease with heart failure and stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease

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

    As an Internist, procedures performed by Dr. Daniel Rios may include:

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

    Does Dr. Rios accept my insurance?

    Dr. Rios accepts most major insurance plans. Important: Please call our office at (707) 427-4000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Rios accept in Fairfield, CA?

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

    Top Insurances

    • Centene Corporation

    • Medicare

    • St. Joseph Health System (CA)

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Rios' office located?

    Dr. Daniel Rios' Primary Practice

    1550 Gateway Blvd

    Fairfield, CA 94533

    (707) 427-4000

    Get Directions

    Dr. Daniel Rios' Practice 2

    3285 Claremont Way

    Napa, CA 94558

    Get Directions

    Dr. Daniel Rios' Practice 3

    1141 Pear Tree Ln Ste 100

    Napa, CA 94558

    Get Directions

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

    Dr. Rios's National Provider Identifier (NPI) number is 1821176652.

    What common questions do patients ask about Dr. Rios?

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

    What is Dr. Daniel Rios's specialty?

    Dr. Rios is a Internist near Fairfield, 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. Daniel Rios affiliated with a ranked Castle Connolly Top Hospital?

    No, Rios is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Providence Queen Of The Valley Medical Center. Castle Connolly Top Hospitals 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 Daniel Rios accepting new patients in Fairfield, CA?

    Yes, Dr. Daniel Rios is accepting new patients at this time.

    Does Dr. Daniel Rios offer online booking?

    Please contact Dr. Rios's office at (707) 427-4000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Daniel Rios?

    Please contact Dr. Rios's office at (707) 427-4000 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Daniel Rios have?

    Dr. Daniel Rios is certified by the American Board of Internal Medicine.

    <section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>