
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, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Parsons’s office at (847) 398-2777.
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 and 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), and 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 a Gastroenterologist like Dr. Parsons typically 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. Learn more about our claims-based healthcare methodology.
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:
- 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:
- 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
What procedures does a Gastroenterologist like Dr. Parsons typically 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. Learn more about our claims-based healthcare methodology.
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 Endoscopy with Ultrasound (EUS)
- EGD with endoscopic ultrasound
- Esophageal ultrasound
- Stomach ultrasound endoscopy
- Duodenal ultrasound endoscopy
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
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 Sphincterotomy
- ERCP with Stent Placement
- 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
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
Also known as:
- Colonoscopy with Polyp Removal
- Diagnostic 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
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)
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)
Does Dr. Parsons accept my insurance?
Dr. Parsons accepts most major insurance plans. Important: Please call our office at (847) 398-2777 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
Centene Corporation
Cigna Group
Cook County Health & Hospitals System
CVS Health (formerly Aetna)
Health Care Service Corporation
Humana
Medicare
State of Illinois
UMR Administered Payer
UnitedHealth Group
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) 398-2777
What hospitals are Dr. Parsons affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Parsons has admitting privileges at the following hospitals:
Recognitions
Awards
Chicago Super Doctors
What is Dr. Parsons's NPI number?A 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.
What does a Gastroenterologist do?
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.
Is 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
When to see a Gastroenterologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Gastroenterologist. Explore 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 Dr. 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' office at (847) 398-2777 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Dr. Willis Parsons?
Please contact Dr. Parsons' office at (847) 398-2777 to schedule an appointment.
Where is Dr. Parsons' office located?
Dr. Parsons' offices are located in Arlington Heights, IL, Evanston, IL, and Palatine, IL.
Which board certifications does Dr. Willis Parsons have?
Dr. Willis Parsons is certified by the American Board of Internal Medicine.
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