MediFind found 7 doctor with experience in Irritable Bowel Syndrome (IBS) near Greenville, MI. Of these, 7 are Experienced.
Corewell Health Greenville Hospital Multispecialty Center - Oak St, Family Medicine
Randi Vanocker is a primary care provider, practicing in Family Medicine in Greenville, Michigan. Dr. Vanocker has been practicing medicine for over 13 years and is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). Her top areas of expertise are Type 2 Diabetes (T2D), Generalized Anxiety Disorder (GAD), Acute Cystitis, and Obesity in Children.
Corewell Health Family, Lnternal And Pediatric Medicine - Rockford
Kristin Jacob is a primary care provider, practicing in Pediatrics and Internal Medicine in Rockford, Michigan. Dr. Jacob has been practicing medicine for over 14 years and is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). Her top areas of expertise are Hospital-Acquired Pneumonia, Atypical Pneumonia, Pneumonia, and Chronic Pain.
Corewell Health Family, Lnternal And Pediatric Medicine - Rockford
Shannon Fritz is a primary care provider, practicing in Family Medicine in Rockford, Michigan. Dr. Fritz has been practicing medicine for over 13 years and is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). Her top areas of expertise are Generalized Anxiety Disorder (GAD), Obesity in Children, Hypothyroidism, and Obesity.
Corewell Health Family, Lnternal And Pediatric Medicine - Rockford
Aaron Defrang is a primary care provider, practicing in Family Medicine in Rockford, Michigan. Dr. Defrang has been practicing medicine for over 21 years and is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). His top areas of expertise are Generalized Anxiety Disorder (GAD), Familial Combined Hyperlipidemia, Xanthoma, and Glucocorticoid-Remediable Aldosteronism.
Corewell Health Family, Lnternal And Pediatric Medicine - Rockford
Leah Vanenk is a primary care provider, practicing in Family Medicine in Rockford, Michigan. Dr. Vanenk has been practicing medicine for over 12 years and is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). Her top areas of expertise are Generalized Anxiety Disorder (GAD), Obesity in Children, Seasonal Affective Disorder (SAD), Obesity, and Intrauterine Device Insertion.
Williamson Family Medicine
Jeffrey Williamson is a primary care provider, practicing in Family Medicine in Rockford, Michigan. Dr. Williamson has been practicing medicine for over 34 years and is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). His top areas of expertise are Guttate Psoriasis, Chronic Demyelinizing Neuropathy with IgM Monoclonal, Bronchitis, and Tietz Syndrome. Dr. Williamson is currently accepting new patients.
Williamson Family Medicine
David Keller is a primary care provider, practicing in Family Medicine in Rockford, Michigan. Dr. Keller has been practicing medicine for over 7 years and is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). His top areas of expertise are Chronic Demyelinizing Neuropathy with IgM Monoclonal, Guttate Psoriasis, Bronchitis, and Chronic Rhinosinusitis with Nasal Polyps (CRSwNP). Dr. Keller is currently accepting new patients.
Last Updated: 01/09/2026





