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Dr. Samuel Castillo, MD

Chicago, IL

Accepting patients
Online booking
Telehealth

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Castillo, Gastroenterologist in Chicago, IL?

    Dr. Samuel Castillo, MD is a Gastroenterologist, who primarily practices in Chicago, IL. He is board certified. Dr. Castillo completed his residency at Mayo Grad Sch Med/Mayo Fndn, 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 (630) 324-6190.

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

    • Residency: Mayo Grad Sch Med/Mayo Fndn, Internal Medicine

    • Medical School: University Of Il Coll Of Med- Chicago Il

    Is Dr. Castillo board certified as a Gastroenterologist?

    Yes, Dr. Samuel 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 Gastroenterologist like Dr. Castillo typically treat?

    As a Gastroenterologist, 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:

    • Colon Cancer Screening
    • Health Screening
    • Colorectal Cancer Screening (PDQ®)
    • Screening Tests to Detect Colorectal Cancer and Polyps
    • Tests to Detect Colorectal Cancer and Polyps
    • Colorectal Cancer Screening
    • Colonoscopy Screening
    • Bowel Cancer Screening

    ICD-10 Codes:

    • Z1211: Encounter for screening for malignant neoplasm of colon

    Also known as:

    • GERD with Esophagitis
    • Acid Reflux
    • Eosinophilic Esophagitis
    • GERD
    • Acid Reflux (GER & GERD) in Adults
    • Acid Reflux (GER & GERD) in Children
    • Acid Reflux (GER & GERD) in Infants
    • Reflux Esophagitis
    • Acid Reflux Esophagus Inflammation
    • Heartburn with Esophagus Damage
    • Gastroesophageal Reflux
    • Heartburn
    • Indigestion

    ICD-10 Codes:

    • K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding
    • K219: Gastro-esophageal reflux disease without esophagitis

    Also known as:

    • Colon Polyps
    • Colonic Polyps
    • Colorectal polyps
    • Bowel polyps
    • Intestinal polyps

    ICD-10 Codes:

    • K635: Polyp of colon

    What procedures does a Gastroenterologist like Dr. Castillo typically perform?

    As a Gastroenterologist, 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:

    • Colonoscopy with Biopsy
    • Colonoscopy with Polyp Removal
    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy with Polyp/Tumor Removal
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening
    • Flexible colonoscopy with ablation
    • Colon polyp removal
    • Colon tumor destruction
    • Therapeutic colonoscopy

    CPT Codes:

    • 45380: Colonoscopy, flexible; with biopsy, single or multiple
    • 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
    • 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
    • 45388: Colonoscopy, flexible; with ablation of tumor(s), polyp(s), or other lesion(s) (includes pre- and post-dilation and guide wire passage, when performed)

    Also known as:

    • Upper Endoscopy with Biopsy
    • Biopsy
    • Endoscopy
    • EGD with Biopsy
    • Gastroscopy with Biopsy
    • Esophagogastroduodenoscopy with Biopsy

    CPT Codes:

    • 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple

    Also known as:

    • ERCP with Gallstone Removal
    • ERCP
    • Endoscopic Gallstone Removal
    • Biliary Duct Stone Removal
    • Pancreatic Duct Cleaning

    CPT Codes:

    • 43264: Endoscopic retrograde cholangiopancreatography (ERCP); with removal of calculi/debris from biliary/pancreatic duct(s)

    Also known as:

    • EGD with Esophageal Balloon Dilation
    • Esophagus Widening Procedure (Endoscopic)
    • Upper Endoscopy with Esophageal Dilation
    • Flexible Esophagoscopy with Balloon
    • EGD with Balloon Widening
    • Esophageal Dilation
    • EGD with Dilation
    • Upper Endoscopy with Widening

    CPT Codes:

    • 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
    • 43248: Esophagogastroduodenoscopy, flexible, transoral; with insertion of guide wire followed by passage of dilator(s) through esophagus over guide wire

    Does Dr. Castillo accept my insurance?

    Dr. Castillo accepts most major insurance plans. Important: Please call our office at (630) 324-6190 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Castillo accept in Chicago, IL?

    Dr. Castillo in Chicago, IL 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 Corporation

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Health Care Service Corporation

    • Humana

    • Medicare

    • State of Illinois

    • UnitedHealth Group

    • Zing Health

    View All Insurances

    Where is Dr. Castillo's office located?

    Dr. Samuel Castillo also offers virtual visits

    Dr. Samuel Castillo's Primary Practice

    2222 W Division St Ste 235

    Chicago, IL 60622

    (630) 324-6190

    Get Directions

    Would you like to schedule an appointment with Dr. Samuel Castillo?

    Dr. Castillo has appointments available at his Chicago, IL office. Please select a date and time below.

    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 1205801313.

    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. Samuel Castillo's specialty?

    Dr. Castillo is a Gastroenterologist near Chicago, IL.

    What does a Gastroenterologist do?

    An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs.

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

    Yes, Dr. Castillo is affiliated with Advocate Lutheran General Hospital, Ascension Saint Joseph - Chicago 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 Gastroenterologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Gastroenterologist. 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 Samuel Castillo accepting new patients in Chicago, IL?

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

    Does Dr. Samuel Castillo offer online booking?

    Yes, you can use online booking to schedule an appointment with Dr. Castillo, or call (630) 324-6190 for more information.

    How can I make an appointment with Samuel Castillo?

    Yes, Dr. Castillo offers telehealth appointments. You can use online booking to schedule a telehealth appointment with Dr. Castillo, or call (630) 324-6190 for more information.

    Which board certifications does Dr. Samuel Castillo have?

    Dr. Samuel 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>