Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Shiels, Gastroenterologist in Rockford, IL?
Dr. Aaron Shiels, MD is a Gastroenterologist, who primarily practices in Rockford, IL with 2 additional practice locations. He is board certified. Dr. Shiels completed his residency at Barnes - Jewish Hospital, Washington. He is a member of the Gastroenterologist, American Society of Gastrointestinal Endoscopy, American Gastroenterological Association, and American College of Gastroenterology. Dr. Shiels is fluent in English and Spanish, and is currently seeing new patients. Dr. Shiels’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Shiels’s office at (815) 397-7340.
Where did Dr. Shiels go to medical school and complete their residency?
Fellowship: University School of Medicine
Residency: Barnes - Jewish Hospital, Washington
Medical School: University Of Illinois At Urbana-Champaign | Washington University School of Medicine, St. Louis
What languages does Dr. Shiels speak?
Dr. Shiels and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Shiels treat?
As a Gastroenterologist, Dr. Shiels 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. Shiels. 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:
- Benign Ascending Colon Polyp
- Benign Transverse Colon Polyp
- Benign Descending Colon Polyp
- Benign Cecum Polyp
- Benign Tumor
- Colonic Polyps
- Colon Polyps
- Non-cancerous ascending colon growth
- Ascending colon adenoma
- Ascending colon benign tumor
- Non-cancerous transverse colon growth
- Transverse colon adenoma
- Transverse colon benign tumor
- Non-cancerous descending colon growth
- Descending colon adenoma
- Descending colon benign tumor
- Non-cancerous cecum growth
- Cecal adenoma
- Cecum benign tumor
ICD-10 Codes:
- D122: Benign neoplasm of ascending colon
- D123: Benign neoplasm of transverse colon
- D124: Benign neoplasm of descending colon
- D120: Benign neoplasm of cecum
Also known as:
- Stomach and Duodenum Disorder
- Stomach or Duodenum Polyp
- Stomach Disorder
- Gastric Conditions
- Duodenal Conditions
- Digestive System Disorders
- Gastric Polyp
- Duodenal Polyp
- Stomach Growth
ICD-10 Codes:
- K3189: Other diseases of stomach and duodenum
- K317: Polyp of stomach and duodenum
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:
- Acid Reflux
- GERD with Esophagitis
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Eosinophilic Esophagitis
- Gastroesophageal Reflux
- Heartburn
- Indigestion
- Reflux Esophagitis
- Acid Reflux Esophagus Inflammation
- Heartburn with Esophagus Damage
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
- K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding
Also known as:
- Rectal Bleeding
- Dark, Tarry Stools (Melena)
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- Anal Bleeding
- Blood in Stool
- Lower GI Bleed
- Melena
- Black Stools
- Upper GI Bleed Signs
ICD-10 Codes:
- K625: Hemorrhage of anus and rectum
- K921: Melena
Also known as:
- Iron Deficiency Anemia
- Anemia
- Iron
- Anemia from Iron Lack
- Low Iron Anemia
- Sideropenic Anemia
- Low Red Blood Cell Count
- Low Hemoglobin
- Iron deficiency
ICD-10 Codes:
- D509: Iron deficiency anemia, unspecified
- D649: Anemia, unspecified
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Also known as:
- Blocked Esophagus
- Esophagus Disorder
- Esophageal Obstruction
- Food Pipe Blockage
- Swallowing Difficulty
ICD-10 Codes:
- K222: Esophageal obstruction
Also known as:
- Other Intestinal Condition
- Colonic Disease
- Small Intestine Disorder
- Bowel Conditions
- Gut Problems
- Digestive Issues
ICD-10 Codes:
- K6389: Other specified diseases of intestine
Also known as:
- Diaphragmatic Hernia
- Hernia
- Hiatal Hernia
- Hernia of the Diaphragm
ICD-10 Codes:
- K449: Diaphragmatic hernia without obstruction or gangrene
Also known as:
- Other Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Swallowing problems
ICD-10 Codes:
- R1319: Other dysphagia
Also known as:
- Fatty Liver Disease
- Liver Disease
- Nonalcoholic Fatty Liver Disease (NAFLD) & NASH
- Nonalcoholic Fatty Liver Disease & NASH in Children
- NAFLD
- NASH
- Hepatic steatosis
ICD-10 Codes:
- K760: Fatty (change of) liver, not elsewhere classified
Which procedures does Dr. Shiels perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. Aaron Shiels may include:
- Colonoscopy
- Colonoscopy Consultation
- Colorectal Cancer Screening
- Endoscopic Ultrasound
- Endoscopy / Endoscopic Ultrasound
- Gastric Balloon
- Gastric Stimulator Implantation Consultation
- Gastric Stimulator Implantation Follow Up
For detailed information, please contact Dr. Shiels' office.
Does Dr. Shiels accept my insurance?
Dr. Shiels accepts most major insurance plans. Important: Please call our office at (815) 397-7340 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Shiels accept in Rockford, IL?
Dr. Shiels in Rockford, 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
CVS Health (formerly Aetna)
Health Care Service Corporation (HCSC)
Humana
Medicare
Molina
Quartz Health Solutions
State of Illinois
UnitedHealthcare
View All Insurances
Where is Dr. Shiels' office located?
Ratings & Reviews
5.0
Overall rating
Based on 53 reviews
Office Experience
98% of patients found the doctor and staff friendly and the office clean and modern
Attentiveness
100% of patients felt that their time spent with the doctor was meaningful and impactful and that any follow ups were addressed quickly
Wait Times
74% of patients were satisfied with the wait time
Appointment Booking
87% of patients found it easy to book an appointment
Patients give Dr. Aaron Shiels an Excellent overall experience rating of 5 out of 5 stars. Dr. Shiels has been rated and reviewed by 53 patients. These ratings are based on a variety of factors, including the amount of time patients spent with Dr. Shiels, his bedside manner, appointment waiting time, friendliness of the office staff, clarity of diagnosis, and more.
Read Patient ReviewsRecognitions
Memberships & Associations
Gastroenterologist
Board Certtified
American Society of Gastrointestinal Endoscopy
Professional Member
American Gastroenterological Association
Professional Member
American College of Gastroenterology
Professional Member
What is Dr. Shiels's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Shiels's National Provider Identifier (NPI) number is 1467448324.
What common questions do patients ask about Dr. Shiels?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Shiels
What is Dr. Aaron Shiels's specialty?
Dr. Shiels is a Gastroenterologist near Rockford, 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. Shiels to book an appointment today.
Is this Dr. Aaron Shiels affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Shiels is affiliated with Osf Healthcare Saint Anthony Medical Center, Uw Health Swedishamerican Hospital 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 Aaron Shiels accepting new patients in Rockford, IL?
Yes, Dr. Aaron Shiels is accepting new patients at this time.
Does Dr. Aaron Shiels offer online booking?
Please contact Dr. Shiels's office at (815) 397-7340 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Aaron Shiels?
Please contact Dr. Shiels's office at (815) 397-7340 for information regarding telehealth appointment availability or for scheduling assistance.
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