Summary

Dr. John Fiedler is an internal medicine physician who brings over three decades of experience to his practice. He earned his medical degree from Loyola University Chicago Stritch School of Medicine and completed his residency training at the prestigious University of Michigan Medical Center. Dr. Fiedler maintains board certification in internal medicine through the American Board of Internal Medicine and provides care in English.

Dr. Fiedler practices at Duly Health and Care in Elgin, Illinois, and holds hospital privileges at Prime Healthcare Saint Joseph Hospital Elgin. His expertise includes treating conditions such as colon polyps and back pain in both pregnant women and pediatric patients. He incorporates therapeutic approaches like physical therapy, strength training, and manual therapy into patient care plans. Patients consistently rate Dr. Fiedler highly, giving him an average rating of 4.7 out of 5 stars.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 4.7
  • 33 years of experience
  • 30 insurance plans accepted
  • speaks English
  • University of Michigan Program
  • 28 written reviews
  • 1 award
  • 1 specialty
  • 7 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

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

Awards

  • Vitals Preferred Provider

    • Vitals Preferred Provider Award
      • Preferred Provider badge recognizes providers that are committed to transparency, responsiveness and great service to patients, and have earned a high patient satisfaction rating.

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Office Location

Duly Health and Care

745 Fletcher DrElgin, IL 60123

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Dr. John Fiedler, MDDr. May Soong, MDDr. Firas Aubeid, MD, MBA, FACPDr. Jay Ezra Haggerty, MD
Internal MedicineInternal MedicineInternal MedicineNeuroradiology
Accepts New Patients Accepts New Patients Accepts New Patients
4.7 
33 Years of Experience 17 Years of Experience 19 Years of Experience 15 Years of Experience
No Virtual Visit Option No Virtual Visit Option Virtual Visit Available No Virtual Visit Option
Speaks English Speaks English Speaks English
Elgin , ILROLLING MEADOWS , ILNEW LENOX , ILGeneva , IL
Med School: Loyola University Chicago Stritch School of Medicine Med School: Northwestern University Feinberg School Of Medicine Med School: University Of Aleppo Faculty Of Medicine Med School: University Of Washington School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. John Fiedler

  • Aetna
  • Aetna - Medicaid (Managed)
  • Aetna - Medicare
  • Aetna - Medicare (Advantage HMO)
  • Aetna - PPO
  • Ascension Health
  • Ascension Health - PPO
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield - PPO
  • Blue Cross Blue Shield of Illinois
  • Blue Cross Blue Shield of Kansas City
  • Blue Shield of California
  • Cigna
  • Cigna - PPO
  • Cigna-HealthSpring
  • Humana
  • Humana - Medicare
  • Humana - Medicare (Advantage HMO)
  • Humana - PPO
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Mutual of Omaha
  • Transamerica
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - Medicare (Advantage HMO)

Medical Specialties

Dr. John Fiedler has the following specialty

Specialty Expertise

Dr. John Fiedler has the following 7 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

33 Years Experience

BOARD CERTIFICATIONS

American Board of Internal Medicine

Internal medicine

MEDICAL LICENSE

Medical Doctor, Illinois, 2026, Active

EDUCATION & TRAINING

Residency

University of Michigan Program
University Of Michigan Hospitals
Univ Of Mi Hosps & Hlth Ctrs, Internal Medicine

Medical School

Loyola University Chicago Stritch School of MedicineGraduated in 1993
Loyola Univ of Chicago Stritch Sch of Med, Maywood IlGraduated in 1993

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Frequently Asked Questions

What languages does Dr. John Fiedler speak?
Dr. John Fiedler speaks English.
Does Dr. John Fiedler accept virtual/telehealth appointments?
Dr. John Fiedler has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. John Fiedler's office located?
Dr. John Fiedler's office is located at 745 Fletcher Dr, Elgin, IL, 60123.
Which hospitals is Dr. John Fiedler affiliated with?
Dr. John Fiedler is affiliated with Prime Healthcare Saint Joseph Hospital Elgin.
Does Dr. John Fiedler accept my insurance?
You can see the insurance plans that Dr. John Fiedler accepts on their Vitals profile.

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