Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Chan, Gastroenterologist in Boston, MA?
Dr. Walter Chan, MD is a Gastroenterologist, who primarily practices in Boston, MA. He is board certified by the American Board of Internal Medicine. Dr. Chan graduated from Washington University School of Medicine, St. Louis. Dr. Chan is fluent in English, and is currently seeing new patients. Dr. Chan’s practice accepts Medicaid, Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Chan’s office at (617) 732-6389.
What are Areas of Expertise for Dr. Chan?
Dr. Walter Chan, 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. Chan empowers patients to confidently navigate their health journey, specializing in Barrett's Esophagus, Gastrointestinal Motility Disorders, Inflammatory Bowel Disease, or comprehensive wellness support. Serving the Boston/MA community, Dr. Chan is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Chan go to medical school and complete their residency?
Medical School: Washington University School of Medicine, St. Louis
Is Dr. Chan board certified in Gastroenterologist?
Yes, Dr. Walter Chan, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Chan speak?
Dr. Chan and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Chan treat?
As a Gastroenterologist, Dr. Chan 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. Chan. 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:
- Abdominal Bloating
- Gas
- Gas in the Digestive Tract
- Bloated Stomach
- Swollen Belly
- Gaseous Distension
ICD-10 Codes:
- R140: Abdominal distension (gaseous)
Also known as:
- Small Intestinal Bacterial Overgrowth
- SIBO
- Bacterial overgrowth in small intestine
- Gut bacterial imbalance
ICD-10 Codes:
- K638219: Small intestinal bacterial overgrowth, unspecified
Also known as:
- Abdominal Pain
- Upper Middle Abdominal Pain
- Stomach Ache
- Belly Pain
- Stomach Pain
- Epigastric pain
- Pain below breastbone
- Upper stomach pain
ICD-10 Codes:
- R109: Unspecified abdominal pain
- R1013: Epigastric pain
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:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
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:
- Bacterial Intestinal Infection
- Bacterial Infection
- Gastroenteritis
- Bacterial Gut Infection
- Bacterial Enteritis
- Bacterial Gastroenteritis
ICD-10 Codes:
- A048: Other specified bacterial intestinal infections
Also known as:
- Esophageal Motility Disorder
- Eosinophilic Esophagitis
- Esophagus Disorder
- Esophageal Spasm
- Swallowing Disorder
- Dysphagia
- EoE
- Allergic Esophagitis
- Eosinophilic Inflammation of Esophagus
ICD-10 Codes:
- K224: Dyskinesia of esophagus
- K200: Eosinophilic esophagitis
Also known as:
- Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
ICD-10 Codes:
- K5900: Constipation, unspecified
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Other Digestive Symptoms
- Digestive Disease
- Unspecified Abdominal Symptoms
- Other Belly Problems
- Digestive System Issues
ICD-10 Codes:
- R198: Other specified symptoms and signs involving the digestive system and abdomen
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
Also known as:
- Infectious and Parasitic Disease
- Infectious Disease
- Parasitic Disease
- Communicable Diseases
- Parasitic Infections
- Contagious Diseases
ICD-10 Codes:
- Z8619: Personal history of other infectious and parasitic diseases
Also known as:
- Heartburn
- Acid Reflux
- Indigestion
- GERD Symptoms
ICD-10 Codes:
- R12: Heartburn
Also known as:
- Other Anal and Rectal Condition
- Anal Disorder
- Rectal Disorder
- Proctitis
- Anal Disorders
- Rectal Disorders
ICD-10 Codes:
- K6289: Other specified diseases of anus and rectum
Also known as:
- Nausea and Vomiting
- Feeling Sick and Throwing Up
- Stomach Flu Symptoms
- Queasy and Vomiting
ICD-10 Codes:
- R112: Nausea with vomiting, unspecified
Which procedures does Dr. Chan perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. Walter Chan may include:
- Colonoscopy
- Colonoscopy Consultation
- Colorectal Cancer Screening
- Endoscopic Ultrasound
- Endoscopy / Endoscopic Ultrasound
- Gastric Balloon
- Gastric Stimulator Implantation Consultation
- Gastric Stimulator Implantation Follow Up
For detailed information, please contact Dr. Chan's office.
Does Dr. Chan accept my insurance?
Dr. Chan accepts most major insurance plans. Important: Please call our office at (617) 732-6389 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Chan accept in Boston, MA?
Dr. Chan in Boston, MA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Aetna
Blue Cross Blue Shield
Blue Cross Blue Shield of Massachusetts
BlueCross and BlueShield of Vermont
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Express Scripts
Medicaid
Medicare
Molina
View All Insurances
Where is Dr. Chan's office located?
What is Dr. Chan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Chan's National Provider Identifier (NPI) number is 1295875540.
What common questions do patients ask about Dr. Chan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Chan
What is Dr. Walter Chan's specialty?
Dr. Chan is a Gastroenterologist near Boston, MA. 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. Chan to book an appointment today.
Is this Dr. Walter Chan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Chan is affiliated with Brigham and Women's Faulkner Hospital, Brigham and Women's 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
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 Walter Chan accepting new patients in Boston, MA?
Yes, Dr. Walter Chan is accepting new patients at this time.
Does Dr. Walter Chan offer online booking?
Please contact Dr. Chan's office at (617) 732-6389 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Walter Chan?
Please contact Dr. Chan's office at (617) 732-6389 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Walter Chan have?
Dr. Walter Chan is certified by the American Board of Internal Medicine.
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