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. 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 as a 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
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
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:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
What procedures does Dr. Chan perform?
As a Gastroenterologist, Dr. Chan 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. 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:
- Colonoscopy with Polyp Removal
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
CPT Codes:
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 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
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
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
EmblemHealth
Healthfirst
MagnaCare Rx
Medicare
Metro Plus
National Benefit Fund
Service Employees International Union (SEIU)
State of Tennessee
Steward Health Choice
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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