Summary

Dr. Andrew Jasek, MD, is one of six rheumatology specialists at OrthoIllinois, a division of OrthoMidwest. Born and raised in Poland, Dr. Jasek received his medical degree and began his career as a neurologist in Warsaw. After practicing neurology for three years, he relocated to the United States, where he completed an additional three years of residency training in internal medicine in Pennsylvania. He subsequently moved to practice medicine at what is now known as MercyHealth.

Dr. Jasek further specialized in rheumatology and established his practice at Mercy Clinic in Janesville, where he served patients for nine years before joining OrthoIllinois. Through his extensive experience, he has developed a special interest in treating rheumatoid arthritis and other inflammatory diseases, as well as providing care for a wide spectrum of rheumatologic conditions including osteoarthritis, lupus, Sjogren’s disease, connective tissue disease, gout and pseudo-gout, scleroderma, dermatomyositis and polymyositis, vasculitis, and osteoporosis. He is certified in bone densitometry and utilizes musculoskeletal ultrasound to aid in diagnosis.

Dr. Jasek is dedicated to providing his OrthoIllinois patients with accurate diagnoses to help them resume a more active lifestyle. He believes that attentive listening, a deep understanding of diverse disorders, careful review of laboratory tests, and advanced diagnostic tools are essential to effective patient care. His commitment to thorough “detective work” in medicine is what drew him to the field of rheumatology.

He emphasizes a collaborative, partnership-based approach to treatment, ensuring that patients are educated in clear, accessible language about their diagnosis, treatment plans, and preventive strategies for disease progression or the development of additional conditions.

Rheumatology is a rapidly evolving specialty, and Dr. Jasek is proud to be at the forefront of advancements in care at OrthoIllinois. He is actively involved in clinical research trials focused on improving outcomes for various rheumatologic conditions.

Outside of his medical practice, Dr. Jasek enjoys computers and the arts. He is a movie enthusiast, regularly attends theatrical productions, and paints in oils. Dr. Jasek is multilingual and speaks English, Polish, Russian, and German.

Read More Read less

Office Location

Riverside Clinic

5875 E Riverside BlvdRockford, IL 61114
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Quick Facts

  • accepting new patients
  • 4.8
  • 41 years of experience
  • 1 insurance plan accepted
  • speaks Polish, English
  • Warsaw School of Medicine, Warsaw, Poland
  • 131 written reviews
  • 1 award
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 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. Andrzej M Jasek

  • 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. Andrzej M Jasek has the following 2 specialties

Specialty Expertise

Dr. Andrzej M Jasek has the following 11 areas of expertise

  • Autoimmune Diseases
  • Gout
  • Hip Osteoarthritis
  • Knee Osteoarthritis
  • Lupus
  • Osteoarthritis
  • Osteoarthritis (Hand and Wrist)
  • Rheumatic Diseases
  • Rheumatoid Arthritis
  • Rheumatologist
  • Tendinitis

Certifications, License, & Education

41 Years Experience

MEDICAL LICENSE

Medical Doctor, Illinois, 2026, Active

EDUCATION & TRAINING

Medical School

Warsaw School of Medicine, Warsaw, PolandGraduated in 1985

Frequently Asked Questions

Does Dr. Andrzej Jasek accept my insurance?
You can see the insurance plans that Dr. Andrzej Jasek accepts on their Vitals profile.
Where is Dr. Andrzej Jasek's office located?
Dr. Andrzej Jasek's office is located at 5875 E Riverside Blvd, Rockford, IL, 61114.
How can I make an appointment with Dr. Andrzej Jasek?
You can find contact information for Dr. Andrzej Jasek here on Vitals.
Does Dr. Andrzej Jasek accept virtual/telehealth appointments?
Dr. Andrzej Jasek has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Andrzej Jasek speak?
Dr. Andrzej Jasek speaks Polish and English.

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.