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Dr. Miechelle O'brien, MD

Danbury, CT

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. O'brien, Gastroenterologist in Danbury, CT?

    Dr. Miechelle O'brien, MD is a Gastroenterologist, who primarily practices in Danbury, CT with 2 additional practice locations. She is board certified. Dr. O'brien graduated from New York Medical College. Dr. O'brien is fluent in English, and is currently seeing new patients. Dr. O'brien’s practice accepts Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. O'brien’s office at (203) 739-7010.

    What are Areas of Expertise for Dr. O'brien?

    Dr. Miechelle O'brien, MD is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. O'brien empowers patients to confidently navigate their health journey, specializing in Gastroesophageal Reflux Disease (GERD), Inflammatory Bowel Disease/Crohn's, Irritable Bowel Syndrome, Nutrition, and comprehensive wellness support. Serving the Danbury, CT community, Dr. O'brien is dedicated to enhancing lives through expert, patient-centered care.

    Where did Dr. O'brien go to medical school and complete their residency?

    • Medical School: New York Medical College

    Is Dr. O'brien board certified as a Gastroenterologist?

    Yes, Dr. Miechelle O'brien, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. O'brien speak?

    Dr. O'brien and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does a Gastroenterologist like Dr. O'brien typically treat?

    As a Gastroenterologist, Dr. O'brien 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. O'brien. 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.

    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:

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

    ICD-10 Codes:

    • Z86010: Personal history of colon polyps

    Also known as:

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

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

    Also known as:

    • Acid Reflux
    • GERD
    • Acid Reflux (GER & GERD) in Adults
    • Acid Reflux (GER & GERD) in Children
    • Acid Reflux (GER & GERD) in Infants
    • Gastroesophageal Reflux
    • Heartburn
    • Indigestion

    ICD-10 Codes:

    • K219: Gastro-esophageal reflux disease without esophagitis

    What procedures does a Gastroenterologist like Dr. O'brien typically perform?

    As a Gastroenterologist, Dr. O'brien 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. O'brien. 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.

    Also known as:

    • Colonoscopy with Biopsy
    • Colonoscopy with Polyp Removal
    • Diagnostic Colonoscopy with Biopsy
    • 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

    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)

    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:

    • Colonoscopy with Injections
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy with Injection
    • Colon Scope with Medication
    • Therapeutic Colonoscopy

    CPT Codes:

    • 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance

    Does Dr. O'brien accept my insurance?

    Dr. O'brien accepts most major insurance plans. Important: Please call our office at (203) 739-7010 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. O'brien accept in Danbury, CT?

    Dr. O'brien in Danbury, CT accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Basil Castrovinci Associates

    • Centivo

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • EmblemHealth

    • Medicare

    • State of Connecticut

    • UnitedHealth Group

    • Unknown

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    Where is Dr. O'brien's office located?

    Dr. Miechelle O'brien's Primary Practice

    111 Osborne St Ste 121

    Danbury, CT 06810

    (203) 739-7010

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    Dr. Miechelle O'brien's Practice 2

    761 Main Ave

    Norwalk, CT 06851

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    Dr. Miechelle O'brien's Practice 3

    24 Hospital Ave

    Danbury, CT 06810

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

    Dr. O'brien's National Provider Identifier (NPI) number is 1356582571.

    What common questions do patients ask about Dr. O'brien?

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

    What is Dr. Miechelle O'brien's specialty?

    Dr. O'brien is a Gastroenterologist near Danbury, CT.

    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. Miechelle O'brien affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. O'brien is affiliated with Danbury Hospital, New Milford Hospital 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 Miechelle O'brien accepting new patients in Danbury, CT?

    Yes, Dr. Miechelle O'brien is accepting new patients at this time.

    Does Dr. Miechelle O'brien offer online booking?

    Please contact Dr. O'brien's office at (203) 739-7010 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Miechelle O'brien?

    Please contact Dr. O'brien's office at (203) 739-7010 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Miechelle O'brien have?

    Dr. Miechelle O'brien is certified by the American Board of Internal Medicine.

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