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Dr. Michael Chang, MD

Dr. Michael Chang, MD

San Diego, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Chang, Gastroenterologist in San Diego, CA?

    Dr. Michael Chang, MD is a Gastroenterologist, who primarily practices in San Diego, CA with 1 additional practice location. He is board certified. Dr. Chang graduated from Drexel University College of Medicine Philadelphia. Dr. Chang is fluent in English, and is currently seeing new patients. Dr. Chang’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Chang’s office at (858) 249-6748.

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

    • Medical School: Drexel University College of Medicine Philadelphia | UC Los Angeles, School of Medicine, Los Angeles | UC San Diego, School of Medicine, San Diego | Gastroenterologist | Assistant Professor of Medicine

    Is Dr. Chang board certified as a Gastroenterologist?

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

    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 Gastroenterologist like Dr. Chang typically treat?

    As a 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:

    • 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:

    • Blocked Bile Duct
    • Bile Duct Disease
    • Biliary Obstruction
    • Bile Duct Blockage
    • Obstructed Bile Duct

    ICD-10 Codes:

    • K831: Obstruction of bile duct

    Also known as:

    • Pancreatic Cyst
    • Pancreatic Disease
    • Cyst on Pancreas
    • Pancreatic Pseudocyst
    • Fluid Sac on Pancreas

    ICD-10 Codes:

    • K862: Cyst of pancreas

    Also known as:

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

    ICD-10 Codes:

    • K222: Esophageal obstruction

    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. Chang typically perform?

    As a 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:

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

    CPT Codes:

    • 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
    • 45380: Colonoscopy, flexible; with biopsy, single or multiple
    • 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:

    • Upper Endoscopy with Ultrasound (EUS)
    • EGD with endoscopic ultrasound
    • Esophageal ultrasound
    • Stomach ultrasound endoscopy
    • Duodenal ultrasound endoscopy

    CPT Codes:

    • 43259: Esophagogastroduodenoscopy, flexible, transoral; with endoscopic ultrasound examination, including the esophagus, stomach, and either the duodenum or a surgically altered stomach where the jejunum is examined distal to the anastomosis

    Also known as:

    • ERCP with Gallstone Removal
    • ERCP
    • Endoscopic Gallstone Removal
    • Biliary Duct Stone Removal
    • Pancreatic Duct Cleaning

    CPT Codes:

    • 43264: Endoscopic retrograde cholangiopancreatography (ERCP); with removal of calculi/debris from biliary/pancreatic duct(s)

    Also known as:

    • ERCP for Bile/Pancreatic Stent Exchange
    • Bile duct stent replacement (ERCP)
    • Endoscopic retrograde cholangiopancreatography with stent exchange
    • Biliary stent removal and replacement
    • Pancreatic duct stent exchange

    CPT Codes:

    • 43276: Endoscopic retrograde cholangiopancreatography (ERCP); with removal and exchange of stent(s), biliary or pancreatic duct, including pre- and post-dilation and guide wire passage, when performed, including sphincterotomy, when performed, each stent exchanged

    Does Dr. Chang accept my insurance?

    Dr. Chang accepts most major insurance plans. Important: Please call our office at (858) 249-6748 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Chang accept in San Diego, CA?

    Dr. Chang in San Diego, CA 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 Corporation

    • HealthRight Group

    • Humana

    • Medicare

    • OptumRx Administered Payer

    • Other Health Care Provider

    • Sharp HealthCare

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Chang's office located?

    Dr. Michael Chang's Primary Practice

    200 W Arbor Dr

    San Diego, CA 92103

    (858) 249-6748

    Get Directions

    Dr. Michael Chang's Practice 2

    9350 Campus Point Dr

    La Jolla, CA 92037

    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 1114155488.

    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. Michael Chang's specialty?

    Dr. Chang is a Gastroenterologist near San Diego, CA.

    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 Chang affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Chang is affiliated with Jacobs Medical Center At Uc San Diego Health, Palomar Medical Center Poway, Tri-City Medical Center, Uci Medical Center 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 Michael Chang accepting new patients in San Diego, CA?

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

    Does Dr. Michael Chang offer online booking?

    Please contact Dr. Chang's office at (858) 249-6748 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Michael Chang?

    Please contact Dr. Chang's office at (858) 249-6748 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Michael Chang have?

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

    <section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>