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 1 additional practice location. He is board certified. 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 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 as a 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 a Gastroenterologist like Dr. Peifer typically 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. 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:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Benign Ascending Colon Polyp
- Benign Tumor
- Colonic Polyps
- Colon Polyps
- Non-cancerous ascending colon growth
- Ascending colon adenoma
- Ascending colon benign tumor
ICD-10 Codes:
- D122: Benign neoplasm of ascending colon
Also known as:
- Stomach and Duodenum Disorder
- Stomach Disorder
- Gastric Conditions
- Duodenal Conditions
- Digestive System Disorders
ICD-10 Codes:
- K3189: Other diseases of stomach and duodenum
What procedures does a Gastroenterologist like Dr. Peifer typically perform?
As a Gastroenterologist, Dr. Peifer 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. 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. Learn more about our claims-based healthcare methodology.
Also known as:
- Colonoscopy with Polyp Removal
- Diagnostic Colonoscopy with Biopsy
- 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
- 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
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 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:
- Diagnostic Upper Endoscopy with Biopsy
- EGD with Esophageal Balloon Dilation
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
CPT Codes:
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
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)
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
Centene Corporation
CVS Health (formerly Aetna)
Health Care Service Corporation
Humana
Medicare
Molina Healthcare
Quartz Health Solutions
South Carolina Medical Association
State of Illinois
UnitedHealth Group
View All Insurances
Where is Dr. Peifer's office located?
What hospitals are Dr. Peifer affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Peifer has admitting privileges at the following hospitals:
Osf Healthcare Saint Anthony Medical Center,Rockford, IL
Ranked Cancer Surgery
Ranked Mastectomy
Osf Healthcare Saint Anthony Medical Center,Rockford, IL
Ranked Cancer Surgery
Ranked Mastectomy
Uw Health Swedishamerican Hospital,Rockford, ILRanked Colon Surgery
Uw Health Swedishamerican Hospital,Rockford, IL
Ranked Colon Surgery
Northwestern Memorial Hospital,Chicago, ILRanked in 4 Procedures
Northwestern Memorial Hospital,Chicago, IL
Ranked in 4 Procedures
Northwestern Medicine Mchenry Hospital,McHenry, ILRanked in 2 Specialties
Ranked in 4 Procedures
Northwestern Medicine Mchenry Hospital,McHenry, IL
Ranked in 2 Specialties
Ranked in 4 Procedures
Uw Health University Hospital,Madison, WIRanked ObGyn Surgery
Ranked in 6 Procedures
Uw Health University Hospital,Madison, WI
Ranked ObGyn Surgery
Ranked in 6 Procedures
Osf Saint Katharine Medical Center,Dixon, IL
Osf Saint Katharine Medical Center,Dixon, IL
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?A 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.
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. 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, Northwestern Memorial Hospital, Northwestern Medicine Mchenry Hospital, Uw Health University 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
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. 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 Dr. Kevin Peifer?
Please contact Dr. Peifer's office at (815) 397-7340 to schedule an appointment.
Where is Dr. Peifer's office located?
Dr. Peifer's office is located in Rockford, IL.
Which board certifications does Dr. Kevin Peifer have?
Dr. Kevin Peifer is certified by the American Board of Internal Medicine.
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MS
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