Summary

Dr. Katherine Jelinek is a gastroenterologist with 26 years of experience helping patients with digestive health concerns. She earned her medical degree from the University of Texas Southwestern Medical School and completed her residency at the University of Illinois College of Medicine at Chicago in 2003. Dr. Jelinek furthered her training with a fellowship at the University of Illinois College of Medicine at Chicago in 2005, specializing in gastroenterology. She is fluent in both English and Spanish.

Dr. Jelinek practices at Northwestern Medicine Delnor Hospital and sees patients at Northwestern Medical Group locations in Winfield, Geneva, and Naperville, Illinois. She specializes in treating colon polyps and hemorrhoids. Her expertise includes performing pathology tests and surgical pathology procedures. Patients have given Dr. Jelinek an average rating of 3.8 out of 5 stars on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.8
  • 26 years of experience
  • 22 insurance plans accepted
  • speaks English, Spanish
  • University of Illinois College of Medicine at Chicago
  • 6 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 3 office locations
  • Female

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Katherine A. Jelinek has 3 locations

Northwestern Medical Group

25 N Winfield Rd Ste 420Winfield, IL 60190

Northwestern Medical Group

302 Randall Rd Ste 105Geneva, IL 60134

Northwestern Medical Group

636 Raymond Dr Ste 204Naperville, IL 60563

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Katherine A. Jelinek, MDJan Seiler, APRNDr. Yogesh Patel, DODr. Brian Liem, DO
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.8 
3.8 
26 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English Speaks English
Winfield , ILMontgomery , ALSt Charles , ILElgin , IL
Med School: University of Texas Southwestern Medical School Med School: Georgia State University Med School: Chicago College Of Osteopathic Medicine
Current Profile
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Insurance Plans Accepted by Katherine A. Jelinek

  • Accepts Medicare
  • Accepts Medicaid
  • Aetna
  • Amita Health
  • Blue Cross Blue Shield of Illinois
  • Blue Cross Blue Shield of Michigan
  • CHAMPVA
  • Cigna
  • Humana
  • Humana - Medicare (Advantage HMO)
  • Medica
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • Meridian Health Plan
  • Meritain Health
  • Molina Healthcare - Medicaid (Managed)
  • Mutual of Omaha
  • North Shore LIJ CareConnect
  • North Shore LIJ CareConnect - IPA
  • Oscar Health Insurance
  • Tricare
  • UnitedHealthcare

Medical Specialties

Katherine A. Jelinek has the following 2 specialties

Specialty Expertise

Katherine A. Jelinek has the following 11 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Gastroenterologist
  • Hemorrhoids
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

26 Years Experience

Katherine A. Jelinek holds an active medical license in the state of Illinois.

Medical License

Medical Doctor with an active medical license in the state of Illinois that expires in 2026.

Education & Training

Fellowship

Completed their fellowship at University of Illinois College of Medicine at Chicago in 2005.

Residency

Completed their residency at University of Illinois College of Medicine at Chicago in 2003.

Medical School

Graduated from University of Texas Southwestern Medical School in 2000.

NPI Number

Katherine A. Jelinek's NPI number is 1750468591.

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Frequently Asked Questions

Does Katherine Jelinek accept my insurance?
You can see the insurance plans that Katherine Jelinek accepts on their Vitals profile.
Where is Katherine Jelinek's office located?
Katherine Jelinek's office is located at 25 N Winfield Rd Ste 420, Winfield, IL, 60190.
Is Katherine Jelinek accepting new patients?
Katherine Jelinek is accepting new patients on Vitals. View Katherine Jelinek's profile on Vitals to make an appointment.
Does Katherine Jelinek accept virtual/telehealth appointments?
Katherine Jelinek has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Which hospitals is Katherine Jelinek affiliated with?
Katherine Jelinek is affiliated with Northwestern Medicine Delnor Hospital.

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