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Dr. Larry Siu, MD

Dr. Larry Siu, MD

West Orange, NJ

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Siu, Gastroenterologist in West Orange, NJ?

    Dr. Larry Siu, MD is a Gastroenterologist, who primarily practices in West Orange, NJ with 2 additional practice locations. Dr. Siu is fluent in English and Chinese, and is currently seeing new patients. Dr. Siu’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Siu’s office.

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

    • Medical School: State University of New York Downstate College of Medicine

    What languages does Dr. Siu speak?

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

    • Chinese

    • English

    What conditions does Dr. Siu treat?

    As a Gastroenterologist, Dr. Siu 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. Siu. 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:

    • Change in Bowel Habits
    • Bowel Movement
    • Altered Bowel Habits
    • Irregular Bowel Movements
    • Changes in Pooping

    ICD-10 Codes:

    • R194: Change in bowel habit

    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:

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

    ICD-10 Codes:

    • K862: Cyst of pancreas

    Also known as:

    • Colon Polyps
    • Colonic Polyps
    • Colorectal polyps
    • Bowel polyps
    • Intestinal polyps

    ICD-10 Codes:

    • K635: Polyp of colon

    Also known as:

    • Abnormal Digestive Tract Imaging
    • Abnormal GI scan
    • Unusual digestive imaging
    • Digestive system imaging findings

    ICD-10 Codes:

    • R933: Abnormal findings on diagnostic imaging of other parts of digestive tract

    Also known as:

    • Upper Middle Abdominal Pain
    • Abdominal Pain
    • Epigastric pain
    • Pain below breastbone
    • Upper stomach pain

    ICD-10 Codes:

    • R1013: Epigastric pain

    What procedures does Dr. Siu perform?

    As a Gastroenterologist, Dr. Siu 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. Siu. 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
    • Colonoscopy with Biopsy
    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy with Tissue Removal
    • 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
    • Flexible colonoscopy with EMR
    • Endoscopic mucosal resection (colon)
    • Colon polyp removal during colonoscopy

    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)
    • 45390: Colonoscopy, flexible; with endoscopic mucosal resection

    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:

    • EGD with Endoscopic Ultrasound
    • Diagnostic Upper Endoscopy with Biopsy
    • EGD with Esophageal Balloon Dilation
    • Upper Endoscopy with Mucosal Resection
    • Flexible Sigmoidoscopy with Biopsy
    • Colonoscopy with Injections
    • Upper Endoscopy with Varices Banding
    • Colorectal Cancer Screening Tests
    • Colonoscopy
    • Upper GI Endoscopy with Ultrasound
    • EUS (Endoscopic Ultrasound)
    • Esophagus, Stomach, Duodenum Ultrasound
    • EGD with Biopsy
    • Esophagogastroduodenoscopy
    • Upper GI Endoscopy
    • Stomach Scope with Sample
    • Upper Endoscopy with Esophageal Dilation
    • Flexible Esophagoscopy with Balloon
    • EGD with Balloon Widening
    • EGD with Mucosal Resection
    • Endoscopic Removal of Esophageal Lesion
    • Flexible Endoscopy with Tissue Removal
    • Sigmoid Colon Scope with Biopsy
    • Lower Endoscopy with Tissue Sample
    • Flexible Sigmoidoscopy and Biopsy
    • Rectum and Lower Colon Exam
    • Flexible Colonoscopy with Injection
    • Colon Scope with Medication
    • Therapeutic Colonoscopy
    • EGD with Band Ligation
    • Esophageal Varices Banding
    • Gastric Varices Treatment

    CPT Codes:

    • 43237: Esophagogastroduodenoscopy, flexible, transoral; with endoscopic ultrasound examination limited to the esophagus, stomach or duodenum, and adjacent structures
    • 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
    • 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
    • 43254: Esophagogastroduodenoscopy, flexible, transoral; with endoscopic mucosal resection
    • 45331: Sigmoidoscopy, flexible; with biopsy, single or multiple
    • 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
    • 43244: Esophagogastroduodenoscopy, flexible, transoral; with band ligation of esophageal/gastric varices

    Also known as:

    • Upper Endoscopy with Ultrasound (EUS)
    • Upper Endoscopy with Polyp Removal
    • EGD with endoscopic ultrasound
    • Esophageal ultrasound
    • Stomach ultrasound endoscopy
    • Duodenal ultrasound endoscopy
    • EGD with Polypectomy
    • Esophagus, Stomach, Duodenum Scope with Removal
    • Flexible Endoscopy Tumor Excision

    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
    • 43251: Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique

    Also known as:

    • Upper GI Endoscopy with Ultrasound Biopsy
    • Biopsy
    • Endoscopy
    • Ultrasound
    • EGD with EUS-FNA
    • Endoscopic Ultrasound Biopsy
    • Esophageal/Stomach Biopsy

    CPT Codes:

    • 43238: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic ultrasound-guided intramural or transmural fine needle aspiration/biopsy(s), (includes endoscopic ultrasound examination limited to the esophagus, stomach or duodenum, and adjacent structures)

    Also known as:

    • Upper Endoscopy with Ultrasound and Biopsy
    • Biopsy
    • Endoscopy
    • Ultrasound
    • EGD with Endoscopic Ultrasound Biopsy
    • Transoral EUS-FNA
    • Esophagogastroduodenoscopy with Biopsy

    CPT Codes:

    • 43242: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic ultrasound-guided intramural or transmural fine needle aspiration/biopsy(s) (includes endoscopic ultrasound examination of 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 Stent Placement
    • ERCP with Bile or Pancreatic Duct Stent Removal
    • Endoscopic Retrograde Cholangiopancreatography with Stent
    • Bile Duct Stent Placement via ERCP
    • Pancreatic Duct Stent Placement via ERCP
    • Endoscopic Retrograde Cholangiopancreatography
    • Bile Duct Stent Removal
    • Pancreatic Duct Foreign Body Removal
    • ERCP Stone Removal

    CPT Codes:

    • 43274: Endoscopic retrograde cholangiopancreatography (ERCP); with placement of endoscopic stent into biliary or pancreatic duct, including pre- and post-dilation and guide wire passage, when performed, including sphincterotomy, when performed, each stent
    • 43275: Endoscopic retrograde cholangiopancreatography (ERCP); with removal of foreign body(s) or stent(s) from biliary/pancreatic duct(s)

    Also known as:

    • Gastrostomy Tube Replacement
    • G-tube Change
    • Percutaneous Gastrostomy Tube Exchange
    • Stomach Feeding Tube Replacement

    CPT Codes:

    • 43762: Replacement of gastrostomy tube, percutaneous, includes removal, when performed, without imaging or endoscopic guidance; not requiring revision of gastrostomy tract

    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:

    • Stopping Bleeding in Esophagus, Stomach, or Duodenum
    • EGD with Bleeding Control
    • Upper GI Endoscopy for Bleeding
    • Gastric Bleeding Treatment

    CPT Codes:

    • 43255: Esophagogastroduodenoscopy, flexible, transoral; with control of bleeding, any method

    Does Dr. Siu accept my insurance?

    Dr. Siu accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Siu accept in West Orange, NJ?

    Dr. Siu in West Orange, NJ accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Centene

    • Corporate Services

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • Horizon BlueCross BlueShield

    • Humana

    • Medicare

    • State of Tennessee

    • UnitedHealthcare

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    Where is Dr. Siu's office located?

    Dr. Larry Siu's Primary Practice

    101 Old Short Hills Rd Ste 217

    West Orange, NJ 07052

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    Dr. Larry Siu's Practice 2

    415 State Route 24

    Chester, NJ 07930

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    Dr. Larry Siu's Practice 3

    101 Madison Ave

    Morristown, NJ 07960

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

    Dr. Siu's National Provider Identifier (NPI) number is 1972765675.

    What common questions do patients ask about Dr. Siu?

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

    What is Dr. Larry Siu's specialty?

    Dr. Siu is a Gastroenterologist near West Orange, NJ. 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. Siu to book an appointment today.

    Is this Dr. Larry Siu affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Siu is affiliated with Atlantic Health Morristown Medical Center, Cooperman Barnabas Medical Center, Atlantic Health Chilton Medical Center, Atlantic Health Overlook Medical Center, Hunterdon Medical Center, Montefiore St. Luke's Cornwall - Newburgh 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 Larry Siu accepting new patients in West Orange, NJ?

    Yes, Dr. Larry Siu is accepting new patients at this time.

    Does Dr. Larry Siu offer online booking?

    Please contact Dr. Siu's office for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Larry Siu?

    Please contact Dr. Siu's office for information regarding telehealth appointment availability or for scheduling assistance.

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