38 Years of Experience
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Peterson, Gastroenterologist in Springfield, IL?
Where did Dr. Peterson go to medical school and complete their residency?
Residency: Univ Hlth Ctr Of Pittsburgh, Gastroenterology; Univ Of Ne Coll Of Med, Internal Medicine | University of Nebraska Medical Center Program
Medical School: University Of Nd Sch Of Med- Grand Forks Nd | University of North Dakota School of Medicine and Health Sciences
Is Dr. Peterson board certified as a Gastroenterologist?
Yes, Dr. William Peterson, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Peterson speak?
Dr. Peterson and their clinical team can communicate with patients in the following languages:
- English
What conditions does a Gastroenterologist like Dr. Peterson typically treat?
As a Gastroenterologist, Dr. Peterson 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. Peterson. 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:
- 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:
- GERD with Esophagitis
- Eosinophilic Esophagitis
- GERD
- Reflux Esophagitis
- Acid Reflux Esophagus Inflammation
- Heartburn with Esophagus Damage
ICD-10 Codes:
- K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding
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:
- 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
What procedures does a Gastroenterologist like Dr. Peterson typically perform?
As a Gastroenterologist, Dr. Peterson 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. Peterson. 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:
- Colonoscopy with Polyp Removal
- 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
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
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:
- Esophageal Dilation (Bougie)
- Esophageal Widening
- Bougie Dilation of Esophagus
- Swallowing Tube Dilation
CPT Codes:
- 43450: Dilation of esophagus, by unguided sound or bougie, single or multiple passes
Also known as:
- EGD with Esophageal Balloon Dilation
- Colonoscopy with Injections
- Colonoscopy
- Colorectal Cancer Screening Tests
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
CPT Codes:
- 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
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
Does Dr. Peterson accept my insurance?
Dr. Peterson accepts most major insurance plans. Important: Please call our office at (217) 528-7541 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Peterson accept in Springfield, IL?
Dr. Peterson in Springfield, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Commercial
Centene
Cigna Group
CVS Health (formerly Aetna)
Federal government of the United States
Health Alliance (HAMP)
Henry Ford Health System
Medicare
Molina Healthcare
State of Illinois
View All Insurances
Where is Dr. Peterson's office located?
Dr. William Peterson's Primary Practice
1025 S 6th St
Springfield, IL 62703
(217) 528-7541
What hospitals are Dr. Peterson affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Peterson has admitting privileges at the following hospitals:
What is Dr. Peterson's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Peterson's National Provider Identifier (NPI) number is 1174623854.
What common questions do patients ask about Dr. Peterson?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Peterson