Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Peifer, Gastroenterologist in Rockford, IL?
Dr. Kevin Peifer, MD is a Gastroenterologist, who primarily practices in Rockford, IL with 2 additional practice locations. He is board certified by the American Board of Internal Medicine. Dr. Peifer completed his residency at Barnes-Jewish Hospital/Washington University. He is a member of the American Gastroenterological Association, American Society for Gastrointestinal Endoscopy, and American College of Gastroenterology. Dr. Peifer is fluent in English and Spanish, and is currently seeing new patients. Dr. Peifer’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Peifer’s office at (815) 397-7340.
Where did Dr. Peifer go to medical school and complete their residency?
Fellowship: Barnes-Jewish Hospital/Washington University
Residency: Barnes-Jewish Hospital/Washington University
Medical School: Miami University | Medical College of Ohio
Is Dr. Peifer board certified in Gastroenterologist?
Yes, Dr. Kevin Peifer, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Peifer speak?
Dr. Peifer and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Peifer treat?
As a Gastroenterologist, Dr. Peifer 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. Peifer. 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 Cecum Polyp
- Benign Sigmoid Colon 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 cecum growth
- Cecal adenoma
- Cecum benign tumor
- Non-cancerous sigmoid colon growth
- Sigmoid colon adenoma
- Sigmoid colon benign tumor
ICD-10 Codes:
- D122: Benign neoplasm of ascending colon
- D123: Benign neoplasm of transverse colon
- D120: Benign neoplasm of cecum
- D125: Benign neoplasm of sigmoid colon
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:
- 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:
- Iron Deficiency Anemia
- Anemia from Sudden Blood Loss
- Anemia
- Iron
- Anemia from Iron Lack
- Low Iron Anemia
- Sideropenic Anemia
- Acute Blood Loss Anemia
- Post-Hemorrhagic Anemia
ICD-10 Codes:
- D509: Iron deficiency anemia, unspecified
- D62: Acute posthemorrhagic anemia
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:
- 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
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Also known as:
- Rectal Bleeding
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- Anal Bleeding
- Blood in Stool
- Lower GI Bleed
ICD-10 Codes:
- K625: Hemorrhage of anus and rectum
Also known as:
- High Liver Enzymes
- ALT Blood Test
- AST Test
- Elevated ALT
- Elevated AST
- Abnormal liver function test
ICD-10 Codes:
- R7401: Elevation of levels of liver transaminase levels
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:
- Blocked Esophagus
- Esophagus Disorder
- Esophageal Obstruction
- Food Pipe Blockage
- Swallowing Difficulty
ICD-10 Codes:
- K222: Esophageal obstruction
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:
- Diaphragmatic Hernia
- Hernia
- Hiatal Hernia
- Hernia of the Diaphragm
ICD-10 Codes:
- K449: Diaphragmatic hernia without obstruction or gangrene
Which procedures does Dr. Peifer perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. Kevin Peifer 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. Peifer's office.
Does Dr. Peifer accept my insurance?
Dr. Peifer 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. Peifer accept in Rockford, IL?
Dr. Peifer 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
South Carolina Medical Association
State of Illinois
UnitedHealthcare
View All Insurances
Where is Dr. Peifer's office located?
Ratings & Reviews
5.0
Overall rating
Based on 66 reviews
Office Experience
98% of patients found the doctor and staff friendly and the office clean and modern
Attentiveness
99% of patients felt that their time spent with the doctor was meaningful and impactful and that any follow ups were addressed quickly
Wait Times
76% of patients were satisfied with the wait time
Appointment Booking
91% of patients found it easy to book an appointment
Patients give Dr. Kevin Peifer an Excellent overall experience rating of 5 out of 5 stars. Dr. Peifer has been rated and reviewed by 66 patients. These ratings are based on a variety of factors, including the amount of time patients spent with Dr. Peifer, his bedside manner, appointment waiting time, friendliness of the office staff, clarity of diagnosis, and more.
Read Patient ReviewsRecognitions
Memberships & Associations
American Gastroenterological Association
Professional Member
American Society for Gastrointestinal Endoscopy
Professional Member
American College of Gastroenterology
Professional Member
What is Dr. Peifer's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Peifer's National Provider Identifier (NPI) number is 1699751446.
What common questions do patients ask about Dr. Peifer?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Peifer
What is Dr. Kevin Peifer's specialty?
Dr. Peifer 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. Peifer to book an appointment today.
Is this Dr. Kevin Peifer affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Peifer 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 Kevin Peifer accepting new patients in Rockford, IL?
Yes, Dr. Kevin Peifer is accepting new patients at this time.
Does Dr. Kevin Peifer offer online booking?
Please contact Dr. Peifer's office at (815) 397-7340 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Kevin Peifer?
Please contact Dr. Peifer's office at (815) 397-7340 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Kevin Peifer have?
Dr. Kevin Peifer is certified by the American Board of Internal Medicine.
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