Summary

Dr. Joseph Marek treats hyperlipidemia, high cholesterol in children and teens, and familial lipid disorders. He has practiced cardiology for 51 years and speaks English and Spanish. Dr. Marek is affiliated with Advocate Good Samaritan Hospital, Northwestern Medicine Central Dupage Hospital, Edward Hospital, and RML Specialty Hospital Hinsdale, and sees patients in Downers Grove and Naperville, Illinois. He completed his residency at Loyola University Medical Center and earned his medical degree from Loyola University of Chicago Stritch School of Medicine. Patients on Vitals rate Dr. Marek 4.88 out of 5.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.9
  • 51 years of experience
  • speaks English, Spanish
  • Loyola University Medical Center
  • 1 written review
  • 1 specialty
  • 18 areas of expertise
  • 4 hospital affiliations
  • 4 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Joseph Clarence Marek has 4 locations

Advocate Medical Group Cardiology

3825 Highland Ave Ste 400Downers Grove, IL 60515
Mon8:00 am - 6:00 pm
Tue8:00 am - 6:00 pm
Wed8:00 am - 6:00 pm
Thu8:00 am - 6:00 pm
Fri8:00 am - 6:00 pm
SatClosed
SunClosed

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, MD
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Dr. Joseph Clarence Marek, MDDr. Smit C Vasaiwala, MDDr. Alexander I Green, MDDr. Mark Rabbat, MD
CardiologyCardiologyCardiologyCardiology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.9 
3.5 
4.3 
0 
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 Speaks English, Polish Speaks English, Polish, Spanish
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

  • Accepts Medicare

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

Dr. Joseph Clarence Marek 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

Residency

Completed their residency at Loyola University Medical Center.

Medical School

Graduated from Loyola University Of Chicago Stritch School Of Medicine in 1975.

NPI Number

Dr. Marek's NPI number is 1548216302.

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Frequently Asked Questions

Which hospitals is Dr. Joseph Marek affiliated with?
Dr. Joseph Marek is affiliated with Advocate Good Samaritan Hospital, Northwestern Medicine Central Dupage Hospital, Edward Hospital, and Rml Specialty Hospital Hinsdale.
Does Dr. Joseph Marek accept my insurance?
You can see the insurance plans that Dr. Joseph Marek accepts on their Vitals profile.
Where is Dr. Joseph Marek's office located?
Dr. Joseph Marek's office is located at 3825 Highland Ave Ste 400, 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.

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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