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Dr. Michael Sullivan, MD

Kingsport, TN

40 Years of Experience

Accepting patients

    Who is Dr. Sullivan, Gastroenterologist in Kingsport, TN?

    Dr. Michael Sullivan, MD is a Gastroenterologist, who primarily practices in Kingsport, TN. He has been practicing for over 40 years and is board certified. Dr. Sullivan graduated from Icahn School of Medicine at Mount Sinai and completed his residency at Duke Univ Med Ctr, Gastroenterology; Duke Univ Med Ctr, Internal Medicine. Dr. Sullivan is fluent in English, and is currently seeing new patients. Dr. Sullivan’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Sullivan’s office at (423) 392-6100.

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

    • Residency: Duke Univ Med Ctr, Gastroenterology; Duke Univ Med Ctr, Internal Medicine | Duke University Hospital Program

    • Medical School: Mt Sinai Sch of Med of The City Univ of Ny, New York Ny | Icahn School of Medicine at Mount Sinai

    Is Dr. Sullivan board certified as a Gastroenterologist?

    Yes, Dr. Michael Sullivan, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Sullivan speak?

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

    • English

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

    As a Gastroenterologist, Dr. Sullivan 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. Sullivan. 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:

    • 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:

    • 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
    • Esophagus Disorder
    • Esophageal Obstruction
    • Food Pipe Blockage
    • Swallowing Difficulty

    ICD-10 Codes:

    • K222: Esophageal obstruction

    Also known as:

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

    ICD-10 Codes:

    • R1310: Dysphagia, unspecified

    Also known as:

    • Other Esophagus Condition
    • Esophagus Disorder
    • Various esophageal diseases
    • Miscellaneous esophagus problems
    • Other food pipe issues

    ICD-10 Codes:

    • K2289: Other specified disease of esophagus

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

    As a Gastroenterologist, Dr. Sullivan 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. Sullivan. 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:

    • 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:

    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy with Biopsy
    • Colonoscopy with Polyp Removal
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision

    CPT Codes:

    • 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
    • 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique

    Also known as:

    • Upper Endoscopy with Tumor Ablation
    • EGD with Ablation
    • Esophagus, Stomach, Duodenum Scope with Ablation
    • Flexible Endoscopy Lesion Treatment

    CPT Codes:

    • 43270: Esophagogastroduodenoscopy, flexible, transoral; 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:

    • Diagnostic Upper Endoscopy with Biopsy
    • EGD with Biopsy
    • Esophagogastroduodenoscopy
    • Upper GI Endoscopy
    • Stomach Scope with Sample

    CPT Codes:

    • 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

    Does Dr. Sullivan accept my insurance?

    Dr. Sullivan accepts most major insurance plans. Important: Please call our office at (423) 392-6100 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Sullivan accept in Kingsport, TN?

    Dr. Sullivan in Kingsport, TN 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 Blue Shield of Tennessee

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Federal government of the United States

    • Humana

    • Medicare

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Sullivan's office located?

    Dr. Michael Sullivan's Primary Practice

    2204 Pavilion Dr Ste 108

    Kingsport, TN 37660

    (423) 392-6100

    Get Directions

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

    Dr. Sullivan's National Provider Identifier (NPI) number is 1326023078.

    What common questions do patients ask about Dr. Sullivan?

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

    What is Dr. Michael Sullivan's specialty?

    Dr. Sullivan is a Gastroenterologist near Kingsport, TN.

    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. Michael Sullivan affiliated with a ranked Castle Connolly Top Hospital?

    No, Sullivan is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Select Specialty Hospital - Tri-Cities. Castle Connolly Top Hospitals 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 Michael Sullivan accepting new patients in Kingsport, TN?

    Yes, Dr. Michael Sullivan is accepting new patients at this time.

    Does Dr. Michael Sullivan offer online booking?

    Please contact Dr. Sullivan's office at (423) 392-6100 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Michael Sullivan?

    Please contact Dr. Sullivan's office at (423) 392-6100 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Michael Sullivan have?

    Dr. Michael Sullivan is certified by the American Board of Internal Medicine.

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