Established In 1998

Optech Orthotics & Prosthetics Services Ltd began in 1998 with one simple plan: to provide the most advanced custom products and the best patient care. Since then, Optech O&P has grown throughout Chicago's southwest suburbs with locations in Kankakee, Joliet, and Evergreen Park. Optech O&P practitioners have the skill, knowledge and compassion to work with patients of all ages and backgrounds. From diabetic shoes inserts to a full line of orthoses to custom prostheses, we'll work with you to find the right product and the right fit so you can use technology to advance your lifestyle.

Meet our Team

MARTIN MCNAB -CPO

Marty has over 19 years of experience in orthotics and prosthetics, 13 of those years at Optech O&P. Marty is board certified in orthotics and prosthetics. He earned a BS in Biomedical Engineering at Marquette University and received both his orthotics and prosthetics degrees from Northwestern University. Marty is a member of AAOP, AOPA, MWAAOP and ISOP.

When asked what he enjoyed most about his job, Marty said it was when a patient comes into his office in a wheelchair and leaves walking (with a new prosthesis). "It always brings a smile to my face," Marty said.

When Marty is not at work, he enjoys listening to music and training for marathons. He has also begun brewing his own beer! Marty is a die-hard Chicago Bulls fan and tries to attend as many games as possible. His favorite player is Derrick Rose.

Martin McNab - CPO

Marty has over 19 years of experience in orthotics and prosthetics, 13 of those years at Optech O&P. Marty is board certified in orthotics and prosthetics. He earned a BS in Biomedical Engineering at Marquette University and received both his orthotics and prosthetics degrees from Northwestern University. Marty is a member of AAOP, AOPA, MWAAOP and ISOP.

When asked what he enjoyed most about his job, Marty said it was when a patient comes into his office in a wheelchair and leaves walking (with a new prosthesis). "It always brings a smile to my face," Marty said.

When Marty is not at work, he enjoys listening to music and training for marathons. He has also begun brewing his own beer! Marty is a die-hard Chicago Bulls fan and tries to attend as many games as possible. His favorite player is Derrick Rose.

Joseph Seyl - CO

Joe is a certified orthotist with over 20 years of experience in orthotics and sports medicine. He graduated from Moraine Valley Community College and holds a bachelor's degree in liberal arts and science from Northern Illinois University.

Joe believes it is important to look at each challenge individually and understand that every patient is unique. Finding the right product requires understanding the specific problem as well as knowing how it may affect the patient's daily life. "Sometimes egos get in the way of a good solution," Joe said. "Even after 20 years, I never assume I have the answer until I truly get to know the patient."

When not at work, Joe enjoys spending time with his wife and three kids. Football is Joe's passion, especially the Chicago Bears and the University of Michigan. His other love is his dislike of the Green Bay Packers. All in good fun of course.

Joseph Seyl - CO

Joe is a certified orthotist with over 20 years of experience in orthotics and sports medicine. He graduated from Moraine Valley Community College and holds a bachelor's degree in liberal arts and science from Northern Illinois University.

Joe believes it is important to look at each challenge individually and understand that every patient is unique. Finding the right product requires understanding the specific problem as well as knowing how it may affect the patient's daily life. "Sometimes egos get in the way of a good solution," Joe said. "Even after 20 years, I never assume I have the answer until I truly get to know the patient."

When not at work, Joe enjoys spending time with his wife and three kids. Football is Joe's passion, especially the Chicago Bears and the University of Michigan. His other love is his dislike of the Green Bay Packers. All in good fun of course.

Michael Lewis - CPO

Mike joined the Optech in 2022 having over 50 years of experience in orthotics and prosthetics. Mike is board certified in orthotics and prosthetics. He earned his Associate Degree in Science at Chicago City College and received both his orthotics and prosthetics degrees from Northwestern University. When asked what he enjoyed most about his job, he said, “Being part of the rehabilitation process and seeing people go from 0-100 is extremely rewarding”. When Mike is not at work, he enjoys traveling and relaxing with wife of 53 years. Mike also enjoys a game of golf from time to time and is a fan of ALL Chicago sports teams.

MICHAEL LEWIS - CPO

Mike joined the Optech in 2022 having over 50 years of experience in orthotics and prosthetics. Mike is board certified in orthotics and prosthetics. He earned his Associate Degree in Science at Chicago City College and received both his orthotics and prosthetics degrees from Northwestern University. When asked what he enjoyed most about his job, he said, “Being part of the rehabilitation process and seeing people go from 0-100 is extremely rewarding”. When Mike is not at work, he enjoys traveling and relaxing with wife of 53 years. Mike also enjoys a game of golf from time to time and is a fan of ALL Chicago sports teams.

Carolyn Dietz

CAROLYN DIETZ, MPO

PROSTHETICS & ORTHOTICS RESIDENT

Carolyn joined Optech in 2022 after receiving her Bachelor of Science in Health Sciences from Indiana University - Purdue University of Indianapolis and her Master in Prosthetics and Orthotics from Northwestern University. When not at work, Carolyn enjoys traveling, visiting with her nephews and family members, and spoiling her black lab.

Carolyn Dietz, MPO

Prosthetics & Orthotics Resident

Carolyn joined Optech in 2022 after receiving her Bachelor of Science in Health Sciences from Indiana University - Purdue University of Indianapolis and her Master in Prosthetics and Orthotics from Northwestern University. When not at work, Carolyn enjoys traveling, visiting with her nephews and family members, and spoiling her black lab.

Board-Certified Practitioners

Our practitioners are among the most qualified in the industry. Each office has board-certified practitioners. We are always happy to meet new patients! We are dedicated to exceptional patient care! Set up an appointment or simply schedule a visit to see our office and meet our great staff.

Appointments may be made by calling or texting the office Monday through Friday. Special appointments may also be made outside of normal office hours on a case-by-case basis.


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