Jaroslaw  Leszczak

Jaroslaw Leszczak, M.D.

1550 Northwest Highway

Park Ridge, Illinois 60068

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Jaroslaw Leszczak, M.D.

Internal Medicine

1550 Northwest Highway

Suite 209 - 1st Floor

Park Ridge, Illinois 60068


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What should I do if I have COVID-19 symptoms?

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About Me

  • Medical Specialties: Internal Medicine
  • Gender:
  • Age: 55
  • Years in Practice:
  • Board Certifications: Internal Medicine
  • Secondary Languages: Polish



  • Residency: St. Joseph Hospital
  • Internship: St. Joseph Hospital
  • Medical School: Jagiellonian University College Of Medicine

Hospital Affiliations

  • Advocate Lutheran General Hospital

Ratings and Comments

health eNews with Jaroslaw Leszczak, M.D.

Medical Areas of Expertise

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  • Blue Cross PPO
  • Medicare Assignment Part B


Learn more about this provider and request an appointment online. Prior to requesting an appointment with any provider you select, confirm with your insurance carrier that this doctor is in your insurance network.

Information listed under the "clinical interests" columns was supplied by the physicians. It is provided to you for informational purposes only, and neither Advocate Health Care nor the Advocate facility has independently verified the information. If you wish to confirm the information contained herein, or if you have any other questions about a particular physician, please contact the physician’s office.

Unless otherwise stated, physicians are independent practitioners who are not employees or agents of Advocate Health Care or the Advocate facility where the care is being provided. Neither Advocate Health Care nor the Advocate facility shall be liable for the medical care provided or decisions made by these independent physicians.

Website link: https://doctors.advocatehealth.com/i-jaroslaw-leszczak-park-ridge-internal-medicine