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Dr. Sajidul Ansari, MD

Dr. Sajidul Ansari, MD

Saint Louis, MO

27 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Ansari, Gastroenterologist in Saint Louis, MO?

    Dr. Sajidul Ansari, MD is a Gastroenterologist, who primarily practices in Saint Louis, MO with 2 additional practice locations. He has been practicing for over 27 years. Dr. Ansari graduated from Southern Illinois Univ School of Medicine and completed his residency at University of Nebraska Medical Center Program. Dr. Ansari is fluent in English, Japanese, and Thai, and is currently seeing new patients. Dr. Ansari’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ansari’s office at (314) 543-5200.

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

    • Residency: University of Nebraska Medical Center Program

    • Medical School: Southern Illinois University Springfield | Southern Illinois Univ School of Medicine

    What languages does Dr. Ansari speak?

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

    • English

    • Japanese

    • Thai

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

    As a Gastroenterologist, Dr. Ansari 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. Ansari. 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:

    • Stomach and Duodenum Disorder
    • Stomach Disorder
    • Gastric Conditions
    • Duodenal Conditions
    • Digestive System Disorders

    ICD-10 Codes:

    • K3189: Other diseases of stomach and duodenum

    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:

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

    ICD-10 Codes:

    • K635: Polyp of colon

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

    As a Gastroenterologist, Dr. Ansari 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. Ansari. 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
    • 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:

    • Esophageal Dilation (Bougie)
    • Esophageal Widening
    • Bougie Dilation of Esophagus
    • Swallowing Tube Dilation

    CPT Codes:

    • 43450: Dilation of esophagus, by unguided sound or bougie, single or multiple passes

    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

    Also known as:

    • Upper Endoscopy with Polyp Removal
    • EGD with Polypectomy
    • Esophagus, Stomach, Duodenum Scope with Removal
    • Flexible Endoscopy Tumor Excision

    CPT Codes:

    • 43251: Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique

    Does Dr. Ansari accept my insurance?

    Dr. Ansari accepts most major insurance plans. Important: Please call our office at (314) 543-5200 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Ansari accept in Saint Louis, MO?

    Dr. Ansari in Saint Louis, MO 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)

    • Elevance Health Inc. (formerly Anthem)

    • Essence Healthcare

    • Humana

    • Medicare

    • UMR Administered Payer

    • UnitedHealth Group

    • Unknown

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    Where is Dr. Ansari's office located?

    Dr. Sajidul Ansari's Primary Practice

    3555 Sunset Office Dr Ste 107

    Saint Louis, MO 63127

    (314) 543-5200

    Get Directions

    Dr. Sajidul Ansari's Practice 2

    13303 Tesson Ferry Rd

    Saint Louis, MO 63128

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    Dr. Sajidul Ansari's Practice 3

    1475 Kisker Rd Ste 230

    Saint Charles, MO 63304

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

    Dr. Ansari's National Provider Identifier (NPI) number is 1467541110.

    What common questions do patients ask about Dr. Ansari?

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

    What is Dr. Sajidul Ansari's specialty?

    Dr. Ansari is a Gastroenterologist near Saint Louis, MO.

    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. Sajidul Ansari affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Ansari is affiliated with Mercy Hospital South, Northwestern Medicine Mchenry Hospital, St. Luke's Hospital - Chesterfield, Mo 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 Sajidul Ansari accepting new patients in Saint Louis, MO?

    Yes, Dr. Sajidul Ansari is accepting new patients at this time.

    Does Dr. Sajidul Ansari offer online booking?

    Please contact Dr. Ansari's office at (314) 543-5200 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Sajidul Ansari?

    Please contact Dr. Ansari's office at (314) 543-5200 for information regarding telehealth appointment availability or for scheduling assistance.

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