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Dr. Thayer Nasereddin, MD

Indianapolis, IN

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Nasereddin, Gastroenterologist in Indianapolis, IN?

    Dr. Thayer Nasereddin, MD is a Gastroenterologist, who primarily practices in Indianapolis, IN with 2 additional practice locations. He is board certified. Dr. Nasereddin is fluent in English, and is currently seeing new patients. Dr. Nasereddin’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Nasereddin’s office at (317) 865-2955.

    What are Areas of Expertise for Dr. Nasereddin?

    Dr. Thayer Nasereddin, MD is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Nasereddin empowers patients to confidently navigate their health journey, specializing in Barrett's Esophagus, Colonoscopy & Polypectomy, Endoscopic Management of GI Strictures, Endoscopic Ultrasound, Endoscopy, Gastroesophageal Reflux Disease (GERD), Gastrointestinal Cancer, Interventional Endoscopy, Pancreatic/Biliary Endoscopy (ERCP), or comprehensive wellness support. Serving the Indianapolis/IN community, Dr. Nasereddin is dedicated to enhancing lives through expert, patient-centered care.

    What languages does Dr. Nasereddin speak?

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

    • English

    What conditions does Dr. Nasereddin treat?

    As a Gastroenterologist, Dr. Nasereddin 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. Nasereddin. 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.

    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

    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:

    • Follow-up After Treatment (Non-Cancer)
    • Post-Treatment Check-up
    • Aftercare Visit
    • Recovery Monitoring Exam

    ICD-10 Codes:

    • Z09: Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm

    Also known as:

    • Chronic Stomach Inflammation
    • Stomach Disorder
    • Gastritis & Gastropathy
    • Chronic gastritis
    • Long-term stomach inflammation
    • Persistent stomach lining inflammation

    ICD-10 Codes:

    • K2930: Chronic superficial gastritis without bleeding
    • K2950: Unspecified chronic gastritis without bleeding

    Also known as:

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

    ICD-10 Codes:

    • R1310: Dysphagia, unspecified

    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:

    • Blocked Esophagus
    • Eosinophilic Esophagitis
    • Esophagus Disorder
    • Esophageal Obstruction
    • Food Pipe Blockage
    • Swallowing Difficulty
    • EoE
    • Allergic Esophagitis
    • Eosinophilic Inflammation of Esophagus

    ICD-10 Codes:

    • K222: Esophageal obstruction
    • K200: Eosinophilic esophagitis

    Also known as:

    • Change in Bowel Habits
    • Bowel Movement
    • Altered Bowel Habits
    • Irregular Bowel Movements
    • Changes in Pooping

    ICD-10 Codes:

    • R194: Change in bowel habit

    Also known as:

    • Bile Duct Stones
    • Gallstones
    • Choledocholithiasis
    • Biliary duct calculi

    ICD-10 Codes:

    • K8050: Calculus of bile duct without cholangitis or cholecystitis without obstruction

    Also known as:

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

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

    Also known as:

    • Iron Deficiency Anemia
    • Anemia
    • Iron
    • Anemia from Iron Lack
    • Low Iron Anemia
    • Sideropenic Anemia

    ICD-10 Codes:

    • D509: Iron deficiency anemia, unspecified

    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:

    • Constipation
    • Difficulty Passing Stool
    • Infrequent Bowel Movements
    • Hard Stools

    ICD-10 Codes:

    • K5900: Constipation, unspecified

    Also known as:

    • Crohn's Disease
    • Crohn’s Disease
    • Regional Enteritis
    • Inflammatory Bowel Disease (IBD)
    • Terminal Ileitis

    ICD-10 Codes:

    • K5090: Crohn's disease, unspecified, without complications

    Also known as:

    • Barrett's Esophagus
    • Esophagus Disorder
    • Barrett’s Esophagus
    • Barrett's condition
    • Esophageal metaplasia

    ICD-10 Codes:

    • K2270: Barrett's esophagus without dysplasia

    Also known as:

    • Fatty Liver Disease
    • Liver Disease
    • Nonalcoholic Fatty Liver Disease (NAFLD) & NASH
    • Nonalcoholic Fatty Liver Disease & NASH in Children
    • NAFLD
    • NASH
    • Hepatic steatosis

    ICD-10 Codes:

    • K760: Fatty (change of) liver, not elsewhere classified

    Also known as:

    • Acute Pancreatitis
    • Pancreatitis
    • Sudden Pancreas Inflammation
    • Acute Pancreas Attack

    ICD-10 Codes:

    • K8590: Acute pancreatitis without necrosis or infection, unspecified

    Does Dr. Nasereddin accept my insurance?

    Dr. Nasereddin accepts most major insurance plans. Important: Please call our office at (317) 865-2955 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Nasereddin accept in Indianapolis, IN?

    Dr. Nasereddin in Indianapolis, IN 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

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • Healthcare Advantage

    • Humana

    • Medicare

    • State of Indiana

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Nasereddin's office located?

    Dr. Thayer Nasereddin's Primary Practice

    8051 S Emerson Ave Ste 200

    Indianapolis, IN 46237

    (317) 865-2955

    Get Directions

    Dr. Thayer Nasereddin's Practice 2

    11050 Parkview Circle Dr

    Fort Wayne, IN 46845

    Get Directions

    Dr. Thayer Nasereddin's Practice 3

    320 E North Ave

    Pittsburgh, PA 15212

    Get Directions

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

    Dr. Nasereddin's National Provider Identifier (NPI) number is 1215391701.

    What common questions do patients ask about Dr. Nasereddin?

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

    What is Dr. Thayer Nasereddin's specialty?

    Dr. Nasereddin is a Gastroenterologist near Indianapolis, IN. 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. Contact Dr. Nasereddin to book an appointment today.

    Is this Dr. Thayer Nasereddin affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Nasereddin is affiliated with Franciscan Health Indianapolis which is a Castle Connolly Top Hospital. 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

    Where can I learn more about Gastroenterologist?

    Explore Gastroenterologist with 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 Thayer Nasereddin accepting new patients in Indianapolis, IN?

    Yes, Dr. Thayer Nasereddin is accepting new patients at this time.

    Does Dr. Thayer Nasereddin offer online booking?

    Please contact Dr. Nasereddin's office at (317) 865-2955 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Thayer Nasereddin?

    Please contact Dr. Nasereddin's office at (317) 865-2955 for information regarding telehealth appointment availability or for scheduling assistance.

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