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Dr. William Chastant, MD

Lafayette, LA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Chastant, Gastroenterologist in Lafayette, LA?

    Dr. William Chastant, MD is a Gastroenterologist, who primarily practices in Lafayette, LA. Dr. Chastant is fluent in English, and is currently seeing new patients. Dr. Chastant’s practice accepts Kaiser Permanente, Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Chastant’s office at (372) 326-6973.

    What languages does Dr. Chastant speak?

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

    • English

    What conditions does a Gastroenterologist like Dr. Chastant typically treat?

    As a Gastroenterologist, Dr. Chastant 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. Chastant. 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:

    • Dark, Tarry Stools (Melena)
    • Gastrointestinal Bleeding
    • Melena
    • Black Stools
    • Upper GI Bleed Signs

    ICD-10 Codes:

    • K921: Melena

    Also known as:

    • Upper Middle Abdominal Pain
    • Abdominal Pain
    • Epigastric pain
    • Pain below breastbone
    • Upper stomach pain

    ICD-10 Codes:

    • R1013: Epigastric pain

    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:

    • Difficulty Swallowing
    • Swallowing Disorder
    • Dysphagia
    • Trouble swallowing
    • Painful swallowing

    ICD-10 Codes:

    • R1310: Dysphagia, unspecified

    Also known as:

    • Diarrhea
    • Loose stools
    • Runny poop
    • Frequent bowel movements

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

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

    As a Gastroenterologist, Dr. Chastant 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. Chastant. 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 Polyp Removal
    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy with Biopsy
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision
    • Flexible Colonoscopy
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening

    CPT Codes:

    • 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)
    • 45380: Colonoscopy, flexible; with biopsy, single or multiple

    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:

    • Diagnostic Upper Endoscopy with Biopsy
    • Esophagus Widening Procedure (Endoscopic)
    • EGD with Biopsy
    • Esophagogastroduodenoscopy
    • Upper GI Endoscopy
    • Stomach Scope with Sample
    • Esophageal Dilation
    • EGD with Dilation
    • Upper Endoscopy with Widening

    CPT Codes:

    • 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
    • 43248: Esophagogastroduodenoscopy, flexible, transoral; with insertion of guide wire followed by passage of dilator(s) through esophagus over guide wire

    Also known as:

    • Hemorrhoid Removal with Rubber Band Ligation
    • Rubber Band Ligation for Hemorrhoids
    • Internal Hemorrhoid Ligation
    • Banding of Hemorrhoids
    • Hemorrhoid Banding

    CPT Codes:

    • 46221: Hemorrhoidectomy, internal, by rubber band ligation(s)

    Also known as:

    • Liver Elastography
    • Elastography
    • FibroScan
    • Liver stiffness test
    • Shear wave elastography

    CPT Codes:

    • 91200: Liver elastography, mechanically induced shear wave (eg, vibration), without imaging, with interpretation and report

    Does Dr. Chastant accept my insurance?

    Dr. Chastant accepts most major insurance plans. Important: Please call our office at (372) 326-6973 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Chastant accept in Lafayette, LA?

    Dr. Chastant in Lafayette, LA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Blue Cross and Blue Shield of Louisiana

    • Broward Health

    • Centene Corporation

    • CVS Health (formerly Aetna)

    • Federal government of the United States

    • Humana

    • Medicaid

    • Medicare

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Chastant's office located?

    Dr. William Chastant's Primary Practice

    1211 Coolidge Blvd Ste 400

    Lafayette, LA 70503

    (372) 326-6973

    Get Directions

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

    Dr. Chastant's National Provider Identifier (NPI) number is 1770087504.

    What common questions do patients ask about Dr. Chastant?

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

    What is Dr. William Chastant's specialty?

    Dr. Chastant is a Gastroenterologist near Lafayette, LA.

    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. William Chastant affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Chastant is affiliated with Ochsner Lafayette General Medical Center, Ochsner Acadia General Hospital, Ochsner American Legion Hospital, Abbeville General Hospital, Lake Charles Memorial Hospital, Ochsner Lsu Health - Monroe Medical Center 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 William Chastant accepting new patients in Lafayette, LA?

    Yes, Dr. William Chastant is accepting new patients at this time.

    Does Dr. William Chastant offer online booking?

    Please contact Dr. Chastant's office at (372) 326-6973 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with William Chastant?

    Please contact Dr. Chastant's office at (372) 326-6973 for information regarding telehealth appointment availability or for scheduling assistance.

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