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Dr. Rene Castillo, MD

Dr. Rene Castillo, MD

Austin, TX

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Castillo, Medical Oncologist in Austin, TX?

    Dr. Rene Castillo, MD is a Medical Oncologist, who primarily practices in Austin, TX with 2 additional practice locations. He is board certified. Dr. Castillo completed his residency at Ny & Presby Hp-Cornell Campus, Hematology/Oncology; St Luke'S-Roosevelt Hsp Ctr, Internal Medicine. Dr. Castillo is fluent in English and Spanish, and is currently seeing new patients. Dr. Castillo’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Castillo’s office at (512) 441-7888.

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

    • Residency: Ny & Presby Hp-Cornell Campus, Hematology/Oncology; St Luke'S-Roosevelt Hsp Ctr, Internal Medicine

    • Medical School: University La Salle, Esc Mexicana De Medicine

    Is Dr. Castillo board certified as a Medical Oncologist?

    Yes, Dr. Rene Castillo, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Castillo speak?

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

    • English

    • Spanish

    What conditions does a Medical Oncologist like Dr. Castillo typically treat?

    As a Medical Oncologist, Dr. Castillo 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. Castillo. 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:

    • Iron Deficiency Anemia from Chronic Blood Loss
    • Iron Deficiency Anemia
    • Anemia
    • Iron
    • Anemia due to iron deficiency and blood loss
    • Chronic blood loss anemia
    • Low iron anemia from bleeding
    • Anemia from Iron Lack
    • Low Iron Anemia
    • Sideropenic Anemia

    ICD-10 Codes:

    • D500: Iron deficiency anemia secondary to blood loss (chronic)
    • D508: Other iron deficiency anemias

    Also known as:

    • Breast Cancer
    • Upper-Outer Quadrant Right Female Breast Cancer
    • Female Breast Cancer
    • Malignant Breast Tumor
    • Breast Carcinoma
    • Right female breast cancer upper-outer
    • Upper-outer right female breast tumor
    • Malignant growth in upper-outer right female breast

    ICD-10 Codes:

    • C50412: Malignant neoplasm of upper-outer quadrant of left female breast
    • C50411: Malignant neoplasm of upper-outer quadrant of right female breast

    Also known as:

    • Intestinal Malabsorption
    • Malabsorption Syndromes
    • Nutrient Malabsorption
    • Digestive Malabsorption
    • Malabsorption Disorder

    ICD-10 Codes:

    • K909: Intestinal malabsorption, unspecified

    What procedures does a Medical Oncologist like Dr. Castillo typically perform?

    As a Medical Oncologist, Dr. Castillo 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. Castillo. 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:

    • Blood Transfusion
    • Blood Transfusion and Donation
    • Blood product transfusion
    • Red blood cell transfusion
    • Plasma transfusion

    CPT Codes:

    • 36430: Transfusion, blood or blood components

    Also known as:

    • Abdominal Fluid Drainage with Imaging Guidance
    • Guided Abdominal Paracentesis
    • Ascites Drainage with Ultrasound
    • Fluid Removal from Belly

    CPT Codes:

    • 49083: Abdominal paracentesis (diagnostic or therapeutic); with imaging guidance

    Does Dr. Castillo accept my insurance?

    Dr. Castillo accepts most major insurance plans. Important: Please call our office at (512) 441-7888 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Castillo accept in Austin, TX?

    Dr. Castillo in Austin, 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

    • Allied Benefit Systems

    • Cigna Group

    • Corporate Services

    • CVS Health (formerly Aetna)

    • Health Care Service Corporation

    • Humana

    • Medicare

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Castillo's office located?

    Dr. Rene Castillo's Primary Practice

    4101 James Casey St Ste 100

    Austin, TX 78745

    (512) 441-7888

    Get Directions

    Dr. Rene Castillo's Practice 2

    1308 Wonder World Dr

    San Marcos, TX 78666

    Get Directions

    Dr. Rene Castillo's Practice 3

    901 W 38th St Ste 200

    Austin, TX 78705

    Get Directions

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

    Dr. Castillo's National Provider Identifier (NPI) number is 1134186166.

    What common questions do patients ask about Dr. Castillo?

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

    What is Dr. Rene Castillo's specialty?

    Dr. Castillo is a Medical Oncologist near Austin, TX.

    What does a Medical Oncologist do?

    An internist specializing in the diagnosis and treatment of various cancers and both benign and malignant tumors. This specialist determines and administers therapy for malignancies and collaborates with surgeons and radiation oncologists on additional cancer treatment options.

    Is this Dr. Rene Castillo affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Castillo is affiliated with St. David's South Austin Medical Center, Heart Hospital Of Austin 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 a Medical Oncologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Medical Oncologist. 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 Rene Castillo accepting new patients in Austin, TX?

    Yes, Dr. Rene Castillo is accepting new patients at this time.

    Does Dr. Rene Castillo offer online booking?

    Please contact Dr. Castillo's office at (512) 441-7888 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Rene Castillo?

    Please contact Dr. Castillo's office at (512) 441-7888 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Rene Castillo have?

    Dr. Rene Castillo 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>