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25 providers
Availability last updated 09/10/2025
Yaniris Avellanet, MD
Surgeon
215 N Peoria St
1st Floor
Chicago, IL 60607
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Vasili Karas, MD, MS, is a board certified, fellowship-trained orthopaedic surgeon specializing in minimally invasive and rapid recovery hip and knee replacements, as well as complex revision joint surgeries. He is committed to empowering his patients to overcome their pain and resume the activities they love.
A Chicagoland native with the goal of giving back to his community, Dr. Karas earned his medical degree at Rush University’s Medical College in Chicago. He then went to North Carolina to complete his residency training at Duke University Medical Center. After that, he returned to Chicago to finish his fellowship training in hip and knee replacement surgery at Rush University Medical Center.
Dr. Karas’ approach to medicine involves spending time with his patients, fostering good communication, and offering the latest advances in medical technology. He has over 40 peer reviewed publications and is a committee member of the American Academy of Hip and Knee Surgeons (AAHKS). Through physical therapy, joint injections, and surgical procedures, he strives to get patients back on their feet as quickly as possible without compromising technique. He works closely with patients throughout their road to recovery and is highly skilled in addressing the full spectrum of concerns when it comes to hip or knee joints.
Whether a patient is continuing to have pain after a previous joint replacement, needs a second opinion, or is seeking the best surgeon to perform a knee or hip replacement for osteoarthritis, Dr. Karas feels privileged to care for his patients whether they be Chicago natives or come from anywhere in the world.
Practice Emphasis
Dr. Karas specializes in rapid recovery surgery but also is happy to take on complex cases and revision, or re-do joint replacements. Whether it be surgical approach, length of stay, use of technology, or any special needs you may have, Dr. Karas is committed to offering patients the options they need to have an excellent patient experience and a successful joint replacement.
Areas of Expertise:
Dr. Karas is recognized for his expertise in:
Research Interests
Education, Certifications & Training
Languages Spoken
Disclosures
None
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Dr. Vasili Karas, MD
Orthopedic Surgeon
1625 N. Harlem Ave
(Corner of North & Harlem – Within Rush Outpatient Center)
Galewood, IL 60707
Dr. Michal Zemela is a Chicagoland native, born and raised in the north shore suburb of Northbrook, IL. He earned his undergraduate degree in Molecular and Cellular Biology from the University of Illinois at Urbana-Champaign, laying a strong foundation in the sciences before pursuing his medical training.
He went on to earn his Doctorate of Podiatric Medicine from Rosalind Franklin University/ Dr. William M. Scholl College of Podiatric Medicine. Following graduation, Dr. Zemela completed a rigorous Foot and Ankle Surgical Residency at Rush University Medical Center right here in Chicago’s medical district. There, he received comprehensive surgical training across the full spectrum of foot and ankle conditions, working alongside leading specialists throughout the city.
Dr. Zemela is board qualified in both foot surgery and reconstructive rearfoot and ankle surgery, and is an Associate of the American College of Foot and Ankle Surgeons. He brings a thoughtful, patient-centered approach to care, combining evidence-based medicine with a strong focus on patient education and long-term outcomes.
Dr. Zemela speaks fluent Polish and enjoys connecting with patients from all backgrounds. Outside of the office, he loves traveling, especially to visit family in Poland. In his free time, he enjoys staying active, spending time with his family and friends, and cheering on the “Cubbies” and “Da Bears”.
Personal Statement:
I believe in starting with conservative, evidence-based, treatments to help you recover in the safest and most effective way possible. My approach is personalized, taking the time to listen and understand your goals. I’m committed to building strong a relationship with you; making sure you feel heard, respected, and cared for every step of the way.
Dr. Michal Zemela, DPM
Podiatrist
1617 North Clybourn Ave
Chicago, IL 60614
As the sole owner of Lincon Park Podiatry, Dr. Williams brings 10+ years of experience to the practice. He specializes in foot surgery (i.e. Lapiplasty and minimally invasive), sports medicine (i.e. tendinitis and fractures), and skin and nail concerns (i.e.warts and nail fungus).
Dr. Williams began his professional education at The University of Illinois in Urbana-Champaign, where he earned his Bachelor of Science in Biology with a concentration in chemistry. Upon graduation, he enrolled at Scholl College of Podiatric Medicine and earned his Doctor of Podiatric Medicine (DPM) degree in just four years.
Dr. Williams then completed his surgical training at the esteemed MedStar Washington Hospital Center/Georgetown University Hospital Podiatric Surgery Residency in Washington, DC. There, Dr. Williams earned the title of Chief Resident while training alongside renowned podiatrists, plastic surgeons, orthopedic surgeons, and vascular surgeons.
Dr. Williams’s areas of expertise include elective surgery, with an emphasis on Lapiplasty/ Bunions , sports-related injuries (fracture repair, tendon repair, minimally invasive heel pain). Dr. Williams is board certified by the prestigious American Board of Foot and Ankle Surgeons (ABFAS).
Dr. Williams provides individualized treatment for foot and ankle ailments in a professional and caring environment. He offers access to innovative medical technology, in office superior diagnostic equipment, and ever-changing state-of-the-art treatment techniques.
Dr. Williams enjoys spending one-on-one time with his patients and sets aside plenty of time to answer their questions and concerns. If surgery is necessary, Dr. Williams makes it his goal to ensure his patients are comfortable and cared for, from their initial consultation to their last post-operative visit.
Personal Statement:
My treatment style is, with your help, to tailor a custom treatment plan that works for you so that you can get better as quickly as possible. I do this with your lifestyle and goals in mind, without you spending hours in a waiting room. I also frequently check the literature and love to start treating patients with innovative techniques-- only if the data backs it up though. You will find no gimmicks here only excellent patient care, and I will never double book you! The reviews speak for themselves, you’ll be glad you stopped by!
Dr. Michael Williams, DPM
Podiatrist
1617 North Clybourn Ave
Chicago, IL 60614
Vasili Karas, MD, MS, is a board certified, fellowship-trained orthopaedic surgeon specializing in minimally invasive and rapid recovery hip and knee replacements, as well as complex revision joint surgeries. He is committed to empowering his patients to overcome their pain and resume the activities they love.
A Chicagoland native with the goal of giving back to his community, Dr. Karas earned his medical degree at Rush University’s Medical College in Chicago. He then went to North Carolina to complete his residency training at Duke University Medical Center. After that, he returned to Chicago to finish his fellowship training in hip and knee replacement surgery at Rush University Medical Center.
Dr. Karas’ approach to medicine involves spending time with his patients, fostering good communication, and offering the latest advances in medical technology. He has over 40 peer reviewed publications and is a committee member of the American Academy of Hip and Knee Surgeons (AAHKS). Through physical therapy, joint injections, and surgical procedures, he strives to get patients back on their feet as quickly as possible without compromising technique. He works closely with patients throughout their road to recovery and is highly skilled in addressing the full spectrum of concerns when it comes to hip or knee joints.
Whether a patient is continuing to have pain after a previous joint replacement, needs a second opinion, or is seeking the best surgeon to perform a knee or hip replacement for osteoarthritis, Dr. Karas feels privileged to care for his patients whether they be Chicago natives or come from anywhere in the world.
Practice Emphasis
Dr. Karas specializes in rapid recovery surgery but also is happy to take on complex cases and revision, or re-do joint replacements. Whether it be surgical approach, length of stay, use of technology, or any special needs you may have, Dr. Karas is committed to offering patients the options they need to have an excellent patient experience and a successful joint replacement.
Areas of Expertise:
Dr. Karas is recognized for his expertise in:
Research Interests
Education, Certifications & Training
Languages Spoken
Disclosures
None
Dr. Vasili Karas, MD
Orthopedic Surgeon
1611 W. Harrison St.
Suite 300
Chicago, IL 60612
Prem Patel, DMD MD
Surgeon
107 W Lake St
Ste 101
Bloomingdale, IL 60108
