Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Chen, Gastroenterologist in Chicago, IL?
Dr. Dennis Chen, MD is a Gastroenterologist, who primarily practices in Chicago, IL. Dr. Chen graduated from The University of Texas School of Medicine at San Antonio and completed his residency at University of Michigan Program. Dr. Chen is fluent in English, and is currently seeing new patients. Dr. Chen’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Chen’s office at (888) 824-0200.
Where did Dr. Chen go to medical school and complete their residency?
Residency: University of Michigan Program
Medical School: The University of Texas School of Medicine at San Antonio
What languages does Dr. Chen speak?
Dr. Chen and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Chen treat?
As a Gastroenterologist, Dr. Chen 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. Chen. 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:
- Gastrointestinal Device Fitting and Adjustment
- GI Appliance Fitting
- Digestive Device Adjustment
- Enteral Device Care
ICD-10 Codes:
- Z4659: Encounter for fitting and adjustment of other gastrointestinal appliance and device
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:
- Medical Device Fitting and Adjustment
- Device Fitting
- Prosthetic Adjustment
- Orthotic Fitting
ICD-10 Codes:
- Z4689: Encounter for fitting and adjustment of other specified devices
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
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:
- Blocked Esophagus
- Esophagus Disorder
- Esophageal Obstruction
- Food Pipe Blockage
- Swallowing Difficulty
ICD-10 Codes:
- K222: Esophageal obstruction
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:
- Other Specific Pancreatic Disease
- Pancreatic Disease
- Miscellaneous Pancreas Disorders
- Named Pancreatic Conditions
- Other Defined Pancreas Problems
ICD-10 Codes:
- K8689: Other specified diseases of pancreas
What procedures does Dr. Chen perform?
As a Gastroenterologist, Dr. Chen 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. Chen. 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:
- EGD with Endoscopic Ultrasound
- EGD with Esophageal Balloon Dilation
- Diagnostic Upper Endoscopy with Biopsy
- Esophagus Widening Procedure (Endoscopic)
- ERCP with Biopsy
- Upper Endoscopy with Mucosal Resection
- Colonoscopy with Injections
- Flexible Sigmoidoscopy with Balloon Dilation
- Flexible Sigmoidoscopy with Endoscopic Ultrasound
- Colonoscopy
- Colorectal Cancer Screening Tests
- Upper GI Endoscopy with Ultrasound
- EUS (Endoscopic Ultrasound)
- Esophagus, Stomach, Duodenum Ultrasound
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
- Esophageal Dilation
- EGD with Dilation
- Upper Endoscopy with Widening
- Endoscopic Retrograde Cholangiopancreatography with Biopsy
- Bile Duct Biopsy (ERCP)
- Pancreatic Duct Biopsy (ERCP)
- EGD with Mucosal Resection
- Endoscopic Removal of Esophageal Lesion
- Flexible Endoscopy with Tissue Removal
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
- Sigmoid colon scope with dilation
- Balloon dilation of colon
- Flexible sigmoidoscopy
- Lower endoscopy with balloon
- Sigmoidoscopy with EUS
- Lower Endoscopy with Ultrasound
- Rectum and Lower Colon Exam with Ultrasound
CPT Codes:
- 43237: Esophagogastroduodenoscopy, flexible, transoral; with endoscopic ultrasound examination limited to the esophagus, stomach or duodenum, and adjacent structures
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 43248: Esophagogastroduodenoscopy, flexible, transoral; with insertion of guide wire followed by passage of dilator(s) through esophagus over guide wire
- 43261: Endoscopic retrograde cholangiopancreatography (ERCP); with biopsy, single or multiple
- 43254: Esophagogastroduodenoscopy, flexible, transoral; with endoscopic mucosal resection
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
- 45340: Sigmoidoscopy, flexible; with transendoscopic balloon dilation
- 45341: Sigmoidoscopy, flexible; with endoscopic ultrasound examination
Also known as:
- ERCP for Bile/Pancreatic Stent Exchange
- ERCP with Stent Placement
- ERCP with Bile or Pancreatic Duct Stent Removal
- ERCP with Sphincterotomy
- Diagnostic ERCP
- Bile duct stent replacement (ERCP)
- Endoscopic retrograde cholangiopancreatography with stent exchange
- Biliary stent removal and replacement
- Pancreatic duct stent exchange
- 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
- Endoscopic retrograde cholangiopancreatography
- Bile duct scope
- Pancreatic duct scope
- Papillotomy
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
- 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)
- 43262: Endoscopic retrograde cholangiopancreatography (ERCP); with sphincterotomy/papillotomy
- 43260: Endoscopic retrograde cholangiopancreatography (ERCP); diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Endoscopic Tube Placement into Bile or Pancreatic Duct
- ERCP Cannulation
- Bile Duct Cannulation
- Pancreatic Duct Access (Endoscopic)
CPT Codes:
- 43273: Endoscopic cannulation of papilla with direct visualization of pancreatic/common bile duct(s) (List separately in addition to code(s) for primary procedure)
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:
- Colonoscopy with Polyp Removal
- Colonoscopy with Biopsy
- Colonoscopy with Tissue Removal
- 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
- Flexible colonoscopy with EMR
- Endoscopic mucosal resection (colon)
- Colon polyp removal during colonoscopy
- 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
- 45390: Colonoscopy, flexible; with endoscopic mucosal resection
- 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 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 Stomach/Duodenum Dilation
- Upper Endoscopy with Tumor Ablation
- Upper Endoscopy with Polyp Removal
- Upper Endoscopy with Ultrasound (EUS)
- EGD with Dilation
- Esophageal Dilation
- Stomach Stricture Widening
- Duodenal Stricture Repair
- EGD with Ablation
- Esophagus, Stomach, Duodenum Scope with Ablation
- Flexible Endoscopy Lesion Treatment
- EGD with Polypectomy
- Esophagus, Stomach, Duodenum Scope with Removal
- Flexible Endoscopy Tumor Excision
- EGD with endoscopic ultrasound
- Esophageal ultrasound
- Stomach ultrasound endoscopy
- Duodenal ultrasound endoscopy
CPT Codes:
- 43245: Esophagogastroduodenoscopy, flexible, transoral; with dilation of gastric/duodenal stricture(s) (eg, balloon, bougie)
- 43270: Esophagogastroduodenoscopy, flexible, transoral; with ablation of tumor(s), polyp(s), or other lesion(s) (includes pre- and post-dilation and guide wire passage, when performed)
- 43251: Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 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:
- Upper Endoscopy for Foreign Body Removal
- EGD for Foreign Body
- Gastroscopy for Object Removal
- Esophagogastroduodenoscopy for Foreign Body
CPT Codes:
- 43247: Esophagogastroduodenoscopy, flexible, transoral; with removal of foreign body(s)
Also known as:
- Upper GI Scope with Stent Placement
- EGD with Stent
- Esophageal Stent Placement
- Stomach Stent Insertion
CPT Codes:
- 43266: Esophagogastroduodenoscopy, flexible, transoral; with placement of endoscopic stent (includes pre- and post-dilation and guide wire passage, when performed)
Also known as:
- Flexible Sigmoidoscopy with Ultrasound-Guided Biopsy
- Colorectal Cancer Screening Tests
- Sigmoidoscopy with EUS Biopsy
- Rectal Scope with Ultrasound Biopsy
- Lower Endoscopy with Fine Needle Aspiration
CPT Codes:
- 45342: Sigmoidoscopy, flexible; with transendoscopic ultrasound guided intramural or transmural fine needle aspiration/biopsy(s)
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:
- Sigmoidoscopy with Polyp Removal
- Colorectal Cancer Screening Tests
- Flexible Sigmoidoscopy with Polypectomy
- Colon Polyp Removal (Lower Colon)
- Sigmoid Colon Lesion Excision
- Lower Endoscopy with Polyp Removal
CPT Codes:
- 45338: Sigmoidoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
Also known as:
- Sigmoidoscopy with Mucosal Resection (Polyp Removal)
- Colorectal Cancer Screening Tests
- Flexible Sigmoidoscopy with EMR
- Colon Polyp Removal
- Endoscopic Mucosal Resection Colon
CPT Codes:
- 45349: Sigmoidoscopy, flexible; with endoscopic mucosal resection
Also known as:
- EGD with Pseudocyst Drainage
- Endoscopic Pseudocyst Drainage
- Transoral Pseudocyst Stent Placement
- Pancreatic Pseudocyst Drainage (Endoscopic)
- Stomach Cyst Drainage
CPT Codes:
- 43240: Esophagogastroduodenoscopy, flexible, transoral; with transmural drainage of pseudocyst (includes placement of transmural drainage catheter[s]/stent[s], when performed, and endoscopic ultrasound, when performed)
Does Dr. Chen accept my insurance?
Dr. Chen accepts most major insurance plans. Important: Please call our office at (888) 824-0200 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Chen accept in Chicago, IL?
Dr. Chen in Chicago, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Cook County Health & Hospitals System
CVS Health (formerly Aetna)
Express Scripts
Humana
Medicare
State of Illinois
State of Nevada
State of Tennessee
UnitedHealthcare
View All Insurances
Where is Dr. Chen's office located?
What is Dr. Chen's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Chen's National Provider Identifier (NPI) number is 1467715235.
What common questions do patients ask about Dr. Chen?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Chen
What is Dr. Dennis Chen's specialty?
Dr. Chen is a Gastroenterologist near Chicago, IL. 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. Chen to book an appointment today.
Is this Dr. Dennis Chen affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Chen is affiliated with UChicago Medicine Ingalls Memorial Hospital which is a Castle Connolly Top Hospital. 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 Dennis Chen accepting new patients in Chicago, IL?
Yes, Dr. Dennis Chen is accepting new patients at this time.
Does Dr. Dennis Chen offer online booking?
Please contact Dr. Chen's office at (888) 824-0200 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Dennis Chen?
Please contact Dr. Chen's office at (888) 824-0200 for information regarding telehealth appointment availability or for scheduling assistance.
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