John T. Fiedler
Expertise in
15
conditions

Dr. John T. Fiedler

Internal Medicine
745 Fletcher Drive, 
Elgin, IL 
Accepting New Patients
Expertise in
15
conditions
745 Fletcher Drive, 
Elgin, IL 

Overview

Medicine requires a strong relationship between provider and patient. I strive to use evidence based medicine in conjunction with lifestyle modification to achieve the most favorable outcomes.

Dr. Fiedler is highly rated in 15 conditions, according to our data. His clinical expertise encompasses Heart Failure with Preserved Ejection Fraction (HFpEF), Vitamin D Deficiency, Familial Combined Hyperlipidemia, and Xanthoma.

Dr. Fiedler is board certified in Internal Medicine — Internal Medicine and Internal Medicine. Dr. Fiedler is currently accepting new patients.

Specialties

Internal Medicine

Licenses

Internal Medicine in IL

Board Certifications

Internal Medicine — Internal Medicine
Internal Medicine

Hospital Affiliations

Advocate Sherman Hospital
Ascension Saint Joseph Hospital, Elgin
Saint Joseph Hospital-Elgin
Northwestern Medicine Mchenry
Advocate Sherman Hospital
Northwestern Medicine Central Dupage Hospital
Advocate Good Shepherd Hospital

Languages Spoken

English

Gender

Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

Find your insurance
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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
Change Healthcare
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Cigna
  • EPO
  • HMO
  • PPO
Health Alliance
  • EPO
  • HMO
  • POS
  • PPO
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Highmark
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Meridian Choice
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Northern Plains Alliance
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE PDP
TeamCare
  • OTHER COMMERCIAL
Trustmark
  • PPO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Walgreens
  • MEDICARE DISCOUNT CARD
  • MEDICARE PDP
  • OTHER MEDICARE
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 14 Less Insurance Carriers -

Locations

745 Fletcher Drive, Elgin, IL 60123
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Nephrology Associates Of Northern Illinois, Ltd

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 (1.5 miles away)
847-531-5911
Languages Spoken:
English, Arabic, Urdu
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Accepting New Patients
Offers Telehealth

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Frequently Asked Questions about Dr. John T. Fiedler

How do I make an appointment with Dr. John T. Fiedler?

You can book an appointment with Dr. John T. Fiedler by calling their office at 847-742-3525. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. John T. Fiedler a top-rated expert for Heart Failure with Preserved Ejection Fraction (HFpEF)?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. John T. Fiedler is classified as an Advanced expert for Heart Failure with Preserved Ejection Fraction (HFpEF), meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.

What conditions does Dr. John T. Fiedler specialize in?

While Dr. John T. Fiedler is a Internal Medicine, they have specific expertise in Heart Failure with Preserved Ejection Fraction (HFpEF), Vitamin D Deficiency, and Familial Combined Hyperlipidemia. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Internal Medicine.

Does Dr. John T. Fiedler accept my insurance?

Dr. John T. Fiedler accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 847-742-3525 to verify that your specific plan is currently accepted before your visit.

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

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