Summary

Dr. Joseph Marek is a cardiologist specializing in cardiovascular disease who has dedicated over five decades to heart care. He earned his medical degree from Loyola University of Chicago Stritch School of Medicine and completed his residency at Loyola University Medical Center. With 51 years of experience treating heart conditions, Dr. Marek brings extensive knowledge to his cardiology practice. He is fluent in both English and Spanish, allowing him to serve a diverse patient population.

Dr. Marek practices at multiple locations throughout Illinois, including Downers Grove and Naperville, and maintains an affiliation with Ascension Saint Alexius. His expertise includes helping patients with mobility challenges and muscle weakness through specialized cardiovascular care. He incorporates physical therapy techniques and strength training into treatment plans when appropriate for heart patients. Patients consistently rate their experiences highly, giving Dr. Marek an average rating of 4.9 out of 5 stars.
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Quick Facts

  • 4.9
  • 51 years of experience
  • 20 insurance plans accepted
  • speaks English, Spanish
  • Loyola University Medical Center
  • 1 written review
  • 1 specialty
  • 18 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 3 office locations
  • Male

Office Locations

Dr. Joseph Clarence Marek has 3 locations

Advocate Good Samaritan Hospital

3815 Highland AveDowners Grove, IL 60515

Edward Hospital

801 S Washington StNaperville, IL 60540

Advocate Heart Institute

1512 N NAPER BLVD STE 176NAPERVILLE, IL 60563
Mon7:00 am - 5:30 pm
Tue7:00 am - 5:30 pm
Wed7:00 am - 5:30 pm
Thu7:00 am - 5:30 pm
Fri7:00 am - 5:30 pm
SatClosed
SunClosed

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Dr. Joseph Clarence Marek, MDDr. Alexander I Green, MDDr. Max Jacob Liebo, MDDr. Gregory Aubert, PhD, MD
Cardiovascular DiseaseCardiovascular DiseaseCardiovascular DiseaseCardiovascular Disease
Accepts New Patients Accepts New Patients Accepts New Patients
4.9 
4.3 
51 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English, Polish Speaks Polish, Spanish, English
Downers Grove , ILMaywood , ILMaywood , ILMaywood , IL
Med School: Loyola University Of Chicago Stritch School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Joseph Clarence Marek

  • Aetna
  • Aetna Better Health
  • All Savers Insurance
  • Blue Cross Blue Shield of Illinois
  • Blue Cross Blue Shield of Texas
  • Blue Shield of California
  • CHAMPVA
  • Cigna
  • Cigna-HealthSpring
  • HealthPartners - EPO
  • Humana
  • Medicaid
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicaid (Managed)
  • Medicare - Medicare
  • Nippon Life Benefits
  • North Shore LIJ CareConnect
  • North Shore LIJ CareConnect - IPA
  • UnitedHealthcare

Medical Specialties

Dr. Joseph Clarence Marek has the following specialty

Specialty Expertise

Dr. Joseph Clarence Marek has the following 18 areas of expertise

  • Acute Coronary Syndrome (ACS)
  • Angioplasty
  • Arrhythmia
  • Atherosclerosis
  • Blood Clot
  • Coronary Disease
  • Heart Attack
  • Heart Block
  • Heart Diseases
  • Heart Failure
  • High Blood Pressure (Hypertension)
  • High Cholesterol
  • High Cholesterol (Hypercholesterolemia)
  • Hypertension
  • Myocardial Infarction
  • Stroke
  • Unstable Angina
  • Vascular Graft Occlusion

Certifications, License, & Education

51 Years Experience

MEDICAL LICENSE

Medical Doctor, Illinois, 2026, Active

EDUCATION & TRAINING

Residency

Loyola University Medical Center

Medical School

Loyola University Of Chicago Stritch School Of MedicineGraduated in 1975

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Frequently Asked Questions

Which hospitals is Dr. Joseph Marek affiliated with?
Dr. Joseph Marek is affiliated with Ascension Saint Alexius.
Where is Dr. Joseph Marek's office located?
Dr. Joseph Marek's office is located at 3815 Highland Ave, Downers Grove, IL, 60515.
Does Dr. Joseph Marek accept virtual/telehealth appointments?
Dr. Joseph Marek has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. Joseph Marek?
You can find contact information for Dr. Joseph Marek here on Vitals.
Is Dr. Joseph Marek accepting new patients?
Dr. Joseph Marek has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.

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