Summary

Dr. Matas Orentas, DO, is a board-certified rheumatologist practicing at OrthoIllinois, a division of OrthoMidwest. Inspired by his family’s experience during his father’s illness and the clarity provided by his father’s medical team, Dr. Orentas developed a passion for medicine and patient-centered care. This formative experience motivated him to pursue a career dedicated to supporting patients and their families through complex health challenges.

Dr. Orentas began his academic journey at Loyola University in Chicago, where he earned his undergraduate degree in Biology. He continued his medical education at Chicago College of Osteopathic Medicine, Midwestern University, in Downers Grove, receiving his Doctor of Osteopathic Medicine (DO) degree. Following medical school, he completed his internship and residency training in Internal Medicine at Rush University Medical Center.

Drawn to the complexity and evolving nature of rheumatology, Dr. Orentas chose to further specialize in this field. He appreciates the specialty’s focus on multi-system disease processes, the breadth of treatment options, and the opportunity to build strong, collaborative relationships with his patients. Dr. Orentas completed his Rheumatology Fellowship at Rush University Medical Center, where he developed expertise in diagnosing and managing challenging cases, especially when the clinical picture is unclear.

In his current practice, Dr. Orentas provides comprehensive care for osteoarthritis, osteoporosis, and autoimmune diseases, with special interests in rheumatoid arthritis and gout. He is committed to fostering strong patient-physician partnerships grounded in mutual trust, respect, and open communication. Dr. Orentas believes that understanding each patient’s unique experiences and treatment goals, combined with the expanding array of therapies for systemic autoimmune diseases, leads to improved satisfaction and outcomes for everyone involved.

Dr. Orentas welcomes new patients and looks forward to helping individuals achieve a more active and symptom-free lifestyle through personalized, compassionate care.

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Office Location

Elgin Clinic

1550 N Randall RdElgin, IL 60123
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

Quick Facts

  • accepting new patients
  • 5
  • 7 years of experience
  • 1 insurance plan accepted
  • speaks English, Lithuanian
  • Chicago College of Osteopathic Medicine, Midwestern University
  • 17 written reviews
  • 1 award
  • 2 specialties
  • 2 areas of expertise
  • 1 office location
  • Male

Patients’ Perspective

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

Awards

  • Vitals Preferred Provider

    • Vitals Preferred Provider Award
      • Preferred Provider badge recognizes providers that are committed to transparency, responsiveness and great service to patients, and have earned a high patient satisfaction rating.

  • Click for our Methodology

Insurance Plans Accepted by Dr. Matas Orentas

  • Accepts Medicare
  • Accepts Medicaid
  • Most insurance plans accepted. We highly encourage you to contact your insurance provider at the phone number on the back of your card to verify OrthoIllinois is in-network for your plan.

Medical Specialties

Dr. Matas Orentas has the following 2 specialties

Specialty Expertise

Dr. Matas Orentas has the following 2 areas of expertise

  • Internal Medicine
  • Rheumatologist

Certifications, License, & Education

7 Years Experience

MEDICAL LICENSE

Doctor Of Osteopathy, Illinois, 2026, Active

EDUCATION & TRAINING

Medical School

Chicago College of Osteopathic Medicine, Midwestern UniversityGraduated in 2019

Frequently Asked Questions

Does Dr. Matas Orentas accept virtual/telehealth appointments?
Dr. Matas Orentas has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. Matas Orentas accepting new patients?
Dr. Matas Orentas is accepting new patients on Vitals. View Dr. Matas Orentas's profile on Vitals to make an appointment.
Does Dr. Matas Orentas accept my insurance?
You can see the insurance plans that Dr. Matas Orentas accepts on their Vitals profile.
How can I make an appointment with Dr. Matas Orentas?
You can find contact information for Dr. Matas Orentas here on Vitals.
Where is Dr. Matas Orentas's office located?
Dr. Matas Orentas's office is located at 1550 N Randall Rd, Elgin, IL, 60123.

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