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Dr. Guillermo Madero, MD

San Antonio, TX

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Madero, Internist in San Antonio, TX?

    Dr. Guillermo Madero, MD is an Internist, who primarily practices in San Antonio, TX with 2 additional practice locations. He is board certified. Dr. Madero graduated from University of Oxford Medical Sciences and completed his residency at Staten Island University Hospital Program. Dr. Madero is fluent in English and Spanish, and is currently seeing new patients. Dr. Madero’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Madero’s office at (210) 334-2861.

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

    • Residency: Staten Island University Hospital Program

    • Medical School: University De Monterrey-Fac De Medicine | University of Oxford Medical Sciences | Universidad de Monterrey Facultad de Medicina

    Is Dr. Madero board certified as an Internist?

    Yes, Dr. Guillermo Madero, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Madero speak?

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

    • English

    • Spanish

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

    As an Internist, Dr. Madero 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. Madero. 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:

    • Other General Medical Examination
    • Health Checkup
    • General Health Checkup
    • Comprehensive Medical Exam
    • Miscellaneous Physical Exam

    ICD-10 Codes:

    • Z008: Encounter for other general examination

    Also known as:

    • Type 2 Diabetes with High Blood Sugar
    • Diabetes Complicationss
    • Diabetes Type 2
    • Type 2 diabetes
    • Hyperglycemia
    • Diabetes Mellitus Complications
    • Diabetes Related Health Problems
    • Advanced Diabetes
    • Diabetic Hyperglycemia
    • High Blood Glucose
    • High Sugar Levels

    ICD-10 Codes:

    • E1169: Type 2 diabetes mellitus with other specified complication
    • E1165: Type 2 diabetes mellitus with hyperglycemia

    Also known as:

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

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • Mammogram for Breast Cancer Screening
    • Health Screening
    • Mammography
    • Breast Cancer Screening (PDQ®)
    • Mammograms
    • Breast X-ray
    • Breast Cancer Check

    ICD-10 Codes:

    • Z1231: Encounter for screening mammogram for malignant neoplasm of breast

    Also known as:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified

    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:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

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

    As an Internist, Dr. Madero performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Madero. 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:

    • Ear Wax Removal (Irrigation)
    • Impacted earwax removal
    • Ear lavage
    • Ear syringing

    CPT Codes:

    • 69209: Removal impacted cerumen using irrigation/lavage, unilateral

    Does Dr. Madero accept my insurance?

    Dr. Madero accepts most major insurance plans. Important: Please call our office at (210) 334-2861 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Madero accept in San Antonio, TX?

    Dr. Madero in San Antonio, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Devoted Health

    • Gonzaba Medical Group

    • Health Care Service Corporation

    • Humana

    • Medicare

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Madero's office located?

    Dr. Guillermo Madero's Primary Practice

    1499 Hillcrest Dr

    San Antonio, TX 78228

    (210) 334-2861

    Get Directions

    Dr. Guillermo Madero's Practice 2

    1313 Guadalupe St Ste 100

    San Antonio, TX 78207

    Get Directions

    Dr. Guillermo Madero's Practice 3

    902 Bandera Rd

    San Antonio, TX 78228

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

    Dr. Madero's National Provider Identifier (NPI) number is 1235384439.

    What common questions do patients ask about Dr. Madero?

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

    What is Dr. Guillermo Madero's specialty?

    Dr. Madero is a Internist near San Antonio, TX.

    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. Guillermo Madero affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Madero is affiliated with Baptist Medical Center - San Antonio 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 Guillermo Madero accepting new patients in San Antonio, TX?

    Yes, Dr. Guillermo Madero is accepting new patients at this time.

    Does Dr. Guillermo Madero offer online booking?

    Please contact Dr. Madero's office at (210) 334-2861 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Guillermo Madero?

    Please contact Dr. Madero's office at (210) 334-2861 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Guillermo Madero have?

    Dr. Guillermo Madero 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>