About our Downers Grove, Illinois Location

At United Vein Centers our Doctors and staff use their superior knowledge and state-of-the-art laser technology to help their patients improve their quality of life by eliminating symptoms such as pain, aching, and swelling caused by damaged or unsightly veins. The team’s mission is to keep patients as healthy and active as possible, allowing you to return to your ideal lifestyle.



Board Certified Internist and Vein Specialist

Prior to joining United Vein Centers and specializing in the treatment of diseased veins, Dr. Petermann attended to patients in government facilities and consulted with numerous hospitals, helping to improve their systems. Now he uses his in-depth knowledge and experience with complex and chronic diseases to eliminate problem veins, and the heavy, aching feeling associated with them, through minimally invasive procedures.


  • American Board of Internal Medicine


  • Doctorate of Medicine, Ross University
  • Bachelor of Science, Biology, Stockton University 


  • Resident, internal medicine, Mount Sinai Hospital, New York
  • Intern, internal medicine, New York Methodist Hospital, New York

Michaela S. Klein, D.O.

Board Certified Surgeon and Vein Specialist

Dr. Michaela S. Klein, D.O., is a board-certified surgeon with extensive experience in robotic and minimally invasive surgery and is a valuable addition to the vein care team at United Vein Centers. Her patients’ well-being is her first priority, and many of them attest to her caring manner and attention to detail.


  • The American Osteopathic Board of Surgery


  • Midwestern University – The Chicago College of Osteopathic Medicine, Doctor of Osteopathic Medicine
  • Lake Erie College of Osteopathic Medicine
  • Knox College – Bachelor of Arts, Biology


  • American Osteopathic Association
  • Association of College of Osteopathic Surgeons
  • Florida Osteopathic Medical Association
  • Pinellas County Osteopathic Medical Association


  • Residency – General Surgery, St. John Hospital and Medical Center – Detroit, MI

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United Vein Centers is dedicated to both patient satisfaction and excellent results. With locations across the United States, we are able to reach a broad spectrum of patients. Our doctors are vein specialists and our staff is thoroughly trained and educated in all aspects of vein health.

Driving Directions


1101 31st Street, Suite 170,
Downers Grove, IL 60515


  • Monday 8AM – 5PM
  • Tuesday 8AM – 5PM
  • Wednesday 8AM – 5PM
  • Thursday 8AM – 5PM
  • Friday 8AM – 5PM
  • Saturday CLOSED
  • Sunday CLOSED
Call us today at 800.952.5954

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doctors help you
live without pain

*Due to legal limitations, our Free Screening offer cannot be extended to Medicare or Medicaid beneficiaries or other recipients of federal or state health care benefit programs.

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Office Hours: M–F 8-5

Tel: 800-952-5954

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