Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Parsons, Gastroenterologist in Arlington Heights, IL?
Dr. Willis Parsons, MD is a Gastroenterologist, who primarily practices in Arlington Heights, IL with 2 additional practice locations. He is board certified. Dr. Parsons completed his residency at Brigham & Women'S Hosp, Gastroenterology; Brigham & Women'S Hosp, Internal Medicine. Dr. Parsons is fluent in English and Spanish, and is currently seeing new patients. Dr. Parsons’s practice accepts Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Parsons’s office at (847) 725-8640.
What are Areas of Expertise for Dr. Parsons?
Dr. Willis Parsons, 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. Parsons empowers patients to confidently navigate their health journey, specializing in Biliary Disease, Pancreatic/Biliary Endoscopy (ERCP), or comprehensive wellness support. Serving the Arlington Heights/IL community, Dr. Parsons is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Parsons go to medical school and complete their residency?
Residency: Brigham & Women'S Hosp, Gastroenterology; Brigham & Women'S Hosp, Internal Medicine
Medical School: Vanderbilt University School of Medicine
Is Dr. Parsons board certified as a Gastroenterologist?
Yes, Dr. Willis Parsons, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Parsons speak?
Dr. Parsons and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Parsons treat?
As a Gastroenterologist, Dr. Parsons 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. Parsons. 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:
- Pancreatic Cyst
- Other Specific Pancreatic Disease
- Pancreatic Disease
- Cyst on Pancreas
- Pancreatic Pseudocyst
- Fluid Sac on Pancreas
- Miscellaneous Pancreas Disorders
- Named Pancreatic Conditions
- Other Defined Pancreas Problems
ICD-10 Codes:
- K862: Cyst of pancreas
- K8689: Other specified diseases of pancreas
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:
- Follow-up After Treatment (Non-Cancer)
- Post-Treatment Check-up
- Aftercare Visit
- Recovery Monitoring Exam
ICD-10 Codes:
- Z09: Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm
Also known as:
- Other Specific Bile Duct and Gallbladder Disease
- Bile Duct Disease
- Gallbladder Disease
- Specific Biliary Disorders
- Named Bile Duct Conditions
- Other Defined Biliary Diseases
ICD-10 Codes:
- K838: Other specified diseases of biliary tract
Also known as:
- Bile Duct Stones
- Gallstones
- Choledocholithiasis
- Biliary duct calculi
ICD-10 Codes:
- K8050: Calculus of bile duct without cholangitis or cholecystitis without obstruction
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
What procedures does Dr. Parsons perform?
As a Gastroenterologist, Dr. Parsons 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. Parsons. 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:
- ERCP with Sphincterotomy
- ERCP with Stent Placement
- ERCP for Bile/Pancreatic Stent Exchange
- ERCP with Bile or Pancreatic Duct Stent Removal
- Diagnostic ERCP
- ERCP with Bile Duct Dilation
- Endoscopic retrograde cholangiopancreatography
- Bile duct scope
- Pancreatic duct scope
- Papillotomy
- Endoscopic Retrograde Cholangiopancreatography with Stent
- Bile Duct Stent Placement via ERCP
- Pancreatic Duct Stent Placement via ERCP
- Bile duct stent replacement (ERCP)
- Endoscopic retrograde cholangiopancreatography with stent exchange
- Biliary stent removal and replacement
- Pancreatic duct stent exchange
- Endoscopic Retrograde Cholangiopancreatography
- Bile Duct Stent Removal
- Pancreatic Duct Foreign Body Removal
- ERCP Stone Removal
- Endoscopic Retrograde Cholangiopancreatography with Dilation
- Bile Duct Widening via ERCP
- Pancreatic Duct Balloon Dilation
CPT Codes:
- 43262: Endoscopic retrograde cholangiopancreatography (ERCP); with sphincterotomy/papillotomy
- 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
- 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
- 43275: Endoscopic retrograde cholangiopancreatography (ERCP); with removal of foreign body(s) or stent(s) from biliary/pancreatic duct(s)
- 43260: Endoscopic retrograde cholangiopancreatography (ERCP); diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 43277: Endoscopic retrograde cholangiopancreatography (ERCP); with trans-endoscopic balloon dilation of biliary/pancreatic duct(s) or of ampulla (sphincteroplasty), including sphincterotomy, when performed, each duct
Also known as:
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Colonoscopy with Tissue Removal
- Colonoscopy with Biopsy
- Colonoscopy with Polyp/Tumor Removal
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Flexible colonoscopy with EMR
- Endoscopic mucosal resection (colon)
- Colon polyp removal during colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Flexible colonoscopy with ablation
- Colon polyp removal
- Colon tumor destruction
- Therapeutic colonoscopy
CPT Codes:
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45390: Colonoscopy, flexible; with endoscopic mucosal resection
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45388: Colonoscopy, flexible; with ablation of tumor(s), polyp(s), or other lesion(s) (includes pre- and post-dilation and guide wire passage, when performed)
Also known as:
- Diagnostic Upper Endoscopy with Biopsy
- Upper Endoscopy with Injections
- Upper Endoscopy with Mucosal Resection
- ERCP with Biopsy
- EGD with Esophageal Balloon Dilation
- Colonoscopy with Injections
- Flexible Sigmoidoscopy with Endoscopic Ultrasound
- Esophagus Widening Procedure (Endoscopic)
- ERCP with Gallstone or Pancreatic Stone Removal
- EGD with Endoscopic Ultrasound
- Colonoscopy
- Colorectal Cancer Screening Tests
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
- EGD with Submucosal Injections
- Esophagogastroduodenoscopy with Injections
- Stomach Scope with Medication
- EGD with Mucosal Resection
- Endoscopic Removal of Esophageal Lesion
- Flexible Endoscopy with Tissue Removal
- Endoscopic Retrograde Cholangiopancreatography with Biopsy
- Bile Duct Biopsy (ERCP)
- Pancreatic Duct Biopsy (ERCP)
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
- Sigmoidoscopy with EUS
- Lower Endoscopy with Ultrasound
- Rectum and Lower Colon Exam with Ultrasound
- Esophageal Dilation
- EGD with Dilation
- Upper Endoscopy with Widening
- Endoscopic Retrograde Cholangiopancreatography
- Bile Duct Stone Removal
- Pancreatic Stone Lithotripsy
- Upper GI Endoscopy with Ultrasound
- EUS (Endoscopic Ultrasound)
- Esophagus, Stomach, Duodenum Ultrasound
CPT Codes:
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 43236: Esophagogastroduodenoscopy, flexible, transoral; with directed submucosal injection(s), any substance
- 43254: Esophagogastroduodenoscopy, flexible, transoral; with endoscopic mucosal resection
- 43261: Endoscopic retrograde cholangiopancreatography (ERCP); with biopsy, single or multiple
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
- 45341: Sigmoidoscopy, flexible; with endoscopic ultrasound examination
- 43248: Esophagogastroduodenoscopy, flexible, transoral; with insertion of guide wire followed by passage of dilator(s) through esophagus over guide wire
- 43265: Endoscopic retrograde cholangiopancreatography (ERCP); with destruction of calculi, any method (eg, mechanical, electrohydraulic, lithotripsy)
- 43237: Esophagogastroduodenoscopy, flexible, transoral; with endoscopic ultrasound examination limited to the esophagus, stomach or duodenum, and adjacent structures
Also known as:
- Upper Endoscopy with Ultrasound (EUS)
- Upper Endoscopy with Tumor Ablation
- Upper Endoscopy with Stomach/Duodenum Dilation
- EGD with endoscopic ultrasound
- Esophageal ultrasound
- Stomach ultrasound endoscopy
- Duodenal ultrasound endoscopy
- EGD with Ablation
- Esophagus, Stomach, Duodenum Scope with Ablation
- Flexible Endoscopy Lesion Treatment
- EGD with Dilation
- Esophageal Dilation
- Stomach Stricture Widening
- Duodenal Stricture Repair
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
- 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)
- 43245: Esophagogastroduodenoscopy, flexible, transoral; with dilation of gastric/duodenal stricture(s) (eg, balloon, bougie)
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:
- 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:
- 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:
- Upper GI Scope with Stent Placement
- Upper Endoscopy with Microscopic View
- EGD with Stent
- Esophageal Stent Placement
- Stomach Stent Insertion
- Esophagogastroduodenoscopy with optical endomicroscopy
- EGD with advanced imaging
- Flexible endoscopy with cellular imaging
CPT Codes:
- 43266: Esophagogastroduodenoscopy, flexible, transoral; with placement of endoscopic stent (includes pre- and post-dilation and guide wire passage, when performed)
- 43252: Esophagogastroduodenoscopy, flexible, transoral; with optical endomicroscopy
Also known as:
- Diagnostic Small Intestine Endoscopy (Enteroscopy)
- Small bowel scope
- Enteroscopy
- Ileum endoscopy
- Diagnostic intestinal endoscopy
CPT Codes:
- 44376: Small intestinal endoscopy, enteroscopy beyond second portion of duodenum, including ileum; diagnostic, with or without collection of specimen(s) by brushing or washing (separate procedure)
Also known as:
- Feeding Tube Placement with Endoscopy
- PEG Tube Placement
- Gastrostomy Tube Insertion
- EGD with Feeding Tube
- Percutaneous Endoscopic Gastrostomy
CPT Codes:
- 43246: Esophagogastroduodenoscopy, flexible, transoral; with directed placement of percutaneous gastrostomy tube
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:
- Flexible Sigmoidoscopy
- Colorectal Cancer Screening Tests
- Sigmoidoscopy
- Lower colon exam
- Flexible colon scope
- Rectum and lower colon check
CPT Codes:
- 45330: Sigmoidoscopy, flexible; 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:
- Liver Elastography
- Elastography
- FibroScan
- Liver stiffness test
- Shear wave elastography
CPT Codes:
- 91200: Liver elastography, mechanically induced shear wave (eg, vibration), without imaging, with interpretation and report
Also known as:
- Capsule Endoscopy
- Pill Camera
- Wireless Capsule Endoscopy
- Small Bowel Capsule Endoscopy
- Intestinal Imaging Pill
CPT Codes:
- 91110: Gastrointestinal tract imaging, intraluminal (eg, capsule endoscopy), esophagus through ileum, with interpretation and report
Does Dr. Parsons accept my insurance?
Dr. Parsons accepts most major insurance plans. Important: Please call our office at (847) 725-8640 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Parsons accept in Arlington Heights, IL?
Dr. Parsons in Arlington Heights, 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
Centene
Crown Cork and Seal Company
CVS Health (formerly Aetna)
Health Care Service Corporation (HCSC)
Humana
Medicare
Molina
State of Tennessee
UnitedHealthcare
View All Insurances
Where is Dr. Parsons' office located?
Dr. Willis Parsons' Primary Practice
880 W Central Rd Ste 4500
Arlington Heights, IL 60005
(847) 725-8640
Recognitions
Awards
Chicago Super Doctors
What is Dr. Parsons's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Parsons's National Provider Identifier (NPI) number is 1972578698.
What common questions do patients ask about Dr. Parsons?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Parsons
What is Dr. Willis Parsons's specialty?
Dr. Parsons is a Gastroenterologist near Arlington Heights, 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. Parsons to book an appointment today.
Is this Dr. Willis Parsons affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Parsons is affiliated with Endeavor Health Northwest Community 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 Willis Parsons accepting new patients in Arlington Heights, IL?
Yes, Dr. Willis Parsons is accepting new patients at this time.
Does Dr. Willis Parsons offer online booking?
Please contact Dr. Parsons's office at (847) 725-8640 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Willis Parsons?
Please contact Dr. Parsons's office at (847) 725-8640 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Willis Parsons have?
Dr. Willis Parsons is certified by the American Board of Internal Medicine.
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