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Dr. Denis Chang, MD

Boston, MA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Chang, Pediatric Gastroenterologist in Boston, MA?

    Dr. Denis Chang, MD is a Pediatric Gastroenterologist, who primarily practices in Boston, MA. Dr. Chang is fluent in English, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. Chang’s office at (617) 355-6000.

    What languages does Dr. Chang speak?

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

    • English

    What conditions does a Pediatric Gastroenterologist like Dr. Chang typically treat?

    As a Pediatric Gastroenterologist, Dr. Chang 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. Chang. 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:

    • Celiac Disease
    • Gluten-Sensitive Enteropathy
    • Sprue
    • Coeliac Disease
    • Gluten Intolerance

    ICD-10 Codes:

    • K900: Celiac disease

    Also known as:

    • Other Abnormal Immune System Markers
    • Unusual immune findings
    • Abnormal immunology results
    • Abnormal serum immunology

    ICD-10 Codes:

    • R768: Other specified abnormal immunological findings in serum

    Also known as:

    • Esophageal Atresia
    • Esophageal Atresia with Tracheoesophageal Fistula
    • Birth Defects
    • Esophagus Disorder
    • Esophageal atresia/tracheoesophageal fistula
    • Fistulas
    • Blocked Esophagus at Birth
    • Congenital Esophageal Blockage
    • EA
    • EA/TEF
    • Blocked Esophagus with Fistula
    • Congenital Esophageal Fistula

    ICD-10 Codes:

    • Q390: Atresia of esophagus without fistula
    • Q391: Atresia of esophagus with tracheo-esophageal fistula

    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:

    • Fluid and Electrolyte Imbalance
    • Fluid and Electrolyte Balance
    • Electrolyte Disorder
    • Fluid Balance Problem

    ICD-10 Codes:

    • E878: Other disorders of electrolyte and fluid balance, not elsewhere classified

    Also known as:

    • Other Eating and Drinking Problems
    • Unusual food cravings
    • Difficulty swallowing
    • Changes in appetite

    ICD-10 Codes:

    • R638: Other symptoms and signs concerning food and fluid intake

    What procedures does a Pediatric Gastroenterologist like Dr. Chang typically perform?

    As a Pediatric Gastroenterologist, Dr. Chang 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. Chang. 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:

    • 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 Biopsy
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening

    CPT Codes:

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

    Also known as:

    • Esophagus Widening Procedure (Endoscopic)
    • EGD with Esophageal Balloon Dilation
    • Upper Endoscopy with Injections
    • Esophageal Dilation
    • EGD with Dilation
    • Upper Endoscopy with Widening
    • Upper Endoscopy with Esophageal Dilation
    • Flexible Esophagoscopy with Balloon
    • EGD with Balloon Widening
    • EGD with Submucosal Injections
    • Esophagogastroduodenoscopy with Injections
    • Stomach Scope with Medication

    CPT Codes:

    • 43248: Esophagogastroduodenoscopy, flexible, transoral; with insertion of guide wire followed by passage of dilator(s) through esophagus over guide wire
    • 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
    • 43236: Esophagogastroduodenoscopy, flexible, transoral; with directed submucosal injection(s), any substance

    Also known as:

    • Upper Endoscopy for Foreign Body Removal
    • EGD for Foreign Body
    • Gastroscopy for Object Removal
    • Esophagogastroduodenoscopy for Foreign Body

    CPT Codes:

    • 43247: Esophagogastroduodenoscopy, flexible, transoral; with removal of foreign body(s)

    Also known as:

    • Swallowing Function Test
    • Dysphagia Tests
    • Dysphagia Evaluation
    • Oral Swallowing Assessment
    • Pharyngeal Swallowing Test
    • Swallowing Study

    CPT Codes:

    • 92610: Evaluation of oral and pharyngeal swallowing function

    Does Dr. Chang accept my insurance?

    Dr. Chang accepts most major insurance plans. Important: Please call our office at (617) 355-6000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Chang accept in Boston, MA?

    Dr. Chang in Boston, MA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Blue Cross Blue Shield of Massachusetts

    • BMC Health System

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Fallon Health

    • Federal government of the United States

    • Mass General Brigham

    • Point32Health

    • State of Massachusetts

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Chang's office located?

    Dr. Denis Chang's Primary Practice

    300 Longwood Ave

    Boston, MA 02115

    (617) 355-6000

    Get Directions

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

    Dr. Chang's National Provider Identifier (NPI) number is 1952747420.

    What common questions do patients ask about Dr. Chang?

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

    What is Dr. Denis Chang's specialty?

    Dr. Chang is a Pediatric Gastroenterologist near Boston, MA.

    What does a Pediatric Gastroenterologist do?

    A pediatrician specializing in diagnosing and treating digestive system diseases in infants, children, and adolescents. This expert manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice and is skilled in performing complex diagnostic and therapeutic procedures using endoscopic techniques to visualize internal organs.

    Is this Dr. Denis Chang affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Chang is affiliated with Emerson Health, Christus St. Vincent Regional Medical Center, The Miriam 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 Pediatric Gastroenterologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Pediatric 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 Denis Chang accepting new patients in Boston, MA?

    Yes, Dr. Denis Chang is accepting new patients at this time.

    Does Dr. Denis Chang offer online booking?

    Please contact Dr. Chang's office at (617) 355-6000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Denis Chang?

    Please contact Dr. Chang's office at (617) 355-6000 for information regarding telehealth appointment availability or for scheduling assistance.

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