Summary

Dr. John Pieniazek treats tobacco use disorder, abdominal pain, and abdominal pain in pregnancy, and performs emergency care as part of his family medicine practice in Eureka, Illinois. He has practiced for 27 years and is affiliated with Carle Eureka Hospital. Dr. Pieniazek earned his medical degree from Jagiellonian University Medical College. Patients on Vitals rate Dr. Pieniazek 5 out of 5.

Overview based on verified provider data

Quick Facts

  • 5
  • 27 years of experience
  • 19 insurance plans accepted
  • Jagiellonian University Medical College
  • 1 specialty
  • 1 hospital affiliation
  • 1 office location
  • Male

Office Location

Carle Eureka Hospital

101 S Major StEureka, IL 61530

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Dr. John Jan Pieniazek, MDDr. Sherwonna Barron, DNP, APRN, FNP-BC, FPATatanisha Funches, FNPValerie Battisti, PA-C
Family MedicineFamily MedicineFamily MedicineFamily Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
5 
0 
0 
0 
27 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English
Eureka , ILBolingbrook , ILOak Park , ILAddison , IL
Med School: Jagiellonian University Medical College
Current Profile
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Insurance Plans Accepted by Dr. John Jan Pieniazek

  • Aetna
  • Aetna Better Health
  • Aetna Better Health - Medicaid (Managed)
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Illinois
  • Blue Cross Blue Shield of Texas
  • CHAMPVA
  • Cigna
  • Health Alliance
  • HealthPartners
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Molina Healthcare
  • Molina Healthcare - Medicaid (Managed)
  • Molina Healthcare - Medicare
  • Physicians Mutual
  • Priority Health
  • Tricare
  • UnitedHealthcare

Medical Specialties

Dr. John Jan Pieniazek has the following specialty

Certifications, License, & Education

27 Years Experience

Dr. John Jan Pieniazek holds an expired medical license in the state of Illinois.

Medical License

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

Education & Training

Medical School

Graduated from Jagiellonian University Medical College in 1999.

NPI Number

Dr. Pieniazek's NPI number is 1740360163.

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Frequently Asked Questions

Is Dr. John Pieniazek accepting new patients?
Dr. John Pieniazek has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. John Pieniazek accept my insurance?
You can see the insurance plans that Dr. John Pieniazek accepts on their Vitals profile.
Which hospitals is Dr. John Pieniazek affiliated with?
Dr. John Pieniazek is affiliated with Carle Eureka Hospital.
Where is Dr. John Pieniazek's office located?
Dr. John Pieniazek's office is located at 101 S Major St, Eureka, IL, 61530.
How can I make an appointment with Dr. John Pieniazek?
You can find contact information for Dr. John Pieniazek here on Vitals.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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