WC
30 Years of Experience
Accepting patients
Who is Dr. Chan, Gastroenterologist in Staten Island, NY?
Dr. Wallen Chan, MD is a Gastroenterologist, who primarily practices in Staten Island, NY with 2 additional practice locations. He has been practicing for over 30 years and is board certified by the American Board of Internal Medicine. Dr. Chan graduated from Icahn School of Medicine at Mount Sinai and completed his residency at Med Coll Of Pa & Hosp, Gastroenterology; Mt Sinai Sch Of Med, Internal Medicine. Dr. Chan is fluent in English and Chinese, and is currently seeing new patients. Dr. Chan’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Chan’s office at (718) 448-1122.
Where did Dr. Chan go to medical school and complete their residency?
Residency: Med Coll Of Pa & Hosp, Gastroenterology; Mt Sinai Sch Of Med, Internal Medicine | CEME/Mount Sinai Medical Center 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. Chan board certified in Gastroenterologist?
Yes, Dr. Wallen 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:
Chinese
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:
- 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:
- Acid Reflux
- GERD with Esophagitis
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Eosinophilic Esophagitis
- Gastroesophageal Reflux
- Heartburn
- Indigestion
- Reflux Esophagitis
- Acid Reflux Esophagus Inflammation
- Heartburn with Esophagus Damage
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
- K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding
Also known as:
- Stomach Inflammation
- Stomach Disorder
- Gastritis & Gastropathy
- Gastritis
- Inflamed stomach lining
- Stomach lining inflammation
ICD-10 Codes:
- K2900: Acute gastritis without bleeding
- K2970: Gastritis, unspecified, without bleeding
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Also known as:
- First Degree Hemorrhoids
- Hemorrhoids
- Internal hemorrhoids
- Grade 1 hemorrhoids
- Mild hemorrhoids
- Piles
- Anal veins
- Swollen rectal veins
ICD-10 Codes:
- K640: First degree hemorrhoids
- K648: Other hemorrhoids
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:
- Family History of Digestive Organ Cancer
- Cancer
- Family History
- Genetic risk for gastrointestinal cancer
- Family history of GI cancer
- Hereditary digestive cancer
ICD-10 Codes:
- Z800: Family history of malignant neoplasm of digestive organs
Also known as:
- Diverticulosis
- Diverticulosis and Diverticulitis
- Diverticular Disease
- Intestinal Diverticula
- Pouches in Intestine
ICD-10 Codes:
- K5790: Diverticulosis of intestine, part unspecified, without perforation or abscess without bleeding
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:
- Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
ICD-10 Codes:
- K5900: Constipation, unspecified
Also known as:
- Large Intestine Diverticulosis
- Diverticulosis and Diverticulitis
- Diverticular Disease
- Colon Diverticula
- Pockets in the Colon
ICD-10 Codes:
- K5730: Diverticulosis of large intestine without perforation or abscess without bleeding
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Exposure to COVID-19
- COVID-19 (Coronavirus Disease 2019)
- COVID-19 contact
- Suspected coronavirus exposure
- SARS-CoV-2 exposure
ICD-10 Codes:
- Z20822: Contact with and (suspected) exposure to COVID-19
Also known as:
- Chronic Hepatitis B
- Hepatitis B
- Long-term Hepatitis B
- Persistent Hepatitis B
- Hep B
ICD-10 Codes:
- B181: Chronic viral hepatitis B without delta-agent
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:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
Which procedures does Dr. Chan perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. Wallen 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 (718) 448-1122 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Chan accept in Staten Island, NY?
Dr. Chan in Staten Island, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
CVS Health (formerly Aetna)
EmblemHealth
Healthfirst
MagnaCare Rx
Medicare
Metro Plus
MetroPlus
National Benefit Fund
Service Employees International Union (SEIU)
View All Insurances
Where is Dr. Chan's office located?
Dr. Wallen Chan's Primary Practice
4434 Amboy Rd Ste B
Staten Island, NY 10312
(718) 448-1122
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 1043287857.
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. Wallen Chan's specialty?
Dr. Chan is a Gastroenterologist near Staten Island, NY. 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. Wallen Chan affiliated with a ranked Castle Connolly Top Hospital?
No, Chan is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Richmond University Medical Center. 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
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 Wallen Chan accepting new patients in Staten Island, NY?
Yes, Dr. Wallen Chan is accepting new patients at this time.
Does Dr. Wallen Chan offer online booking?
Please contact Dr. Chan's office at (718) 448-1122 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Wallen Chan?
Please contact Dr. Chan's office at (718) 448-1122 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Wallen Chan have?
Dr. Wallen Chan is certified by the American Board of Internal Medicine.
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