Meet Our Team

Lesleigh Sission

Lesleigh Sisson

CFo, CFm

Lesleigh Sisson, the founder of O&P Insight, has been part of the orthotics and prosthetics profession since 1992. She started O&P Insight because she cares deeply about three things: helping people thrive in their professional lives, advancing the profession for patients & practitioners and leaving a legacy of lives impacted for the better. While she has always had a love of teaching and helping others, it was working in administrative and clinical support roles when Lesleigh recognized the desire to assist dedicated professionals working toward this common goal: providing excellent patient care while achieving the best possible health for the business. Lesleigh helps independent O&P practices to not only survive but also to thrive in today’s challenging and ever-changing healthcare environment with its demands for efficient work flow, revenue cycle solutions and successful compliance.

Curt Bertram

Curt Bertram


Curt Bertram is an ABC certified Prosthetist and Orthotist (CPO), Fellow of The American Academy of Orthotist and Prosthetists (AAOP) and has been in the profession since 1990.  Curt is a past President of the American Board for Certification in Orthotics, Prosthetics, and Pedorthic (ABC) and the current chair for the American Orthotic and Prosthetic Association's Coding and Reimbursement Committee. He has travel both nationally and internationally presenting on pediatric orthotics, compliance, and clinical documentation.  Curt works closely with clinicians on defensible documentation that will support medical necessity, policy coverage, and stand up to prior authorization or post payment audits.  He also works with companies to write appeals to assist in reversing denials and recoupment of claw backs.  Being able to protect revenue is the cornerstone in helping businesses thrive and enabling them to provide access to care for their patients.  Curt is passionate about helping O&P business survive & thrive in todays healthcare environment.

Michelle Wullstein

Michelle Wullstein


Michelle Wullstein joined O&P Insight as a consultant specializing in Medicare compliance for Orthotics and Prosthetics. Michelle’s Medicare experience began in 2006 with Noridian Healthcare Solutions, a Medicare Contractor, working under both the Part B Physician’s and DME Medicare contracts. Michelle served as one of DME team’s O & P specialists working closely with O & P suppliers and medical review nurses to understand the intricate balance between Medicare compliance while operating an O & P business in today’s world. Michelle understands that O & P suppliers have a unique set of challenges they face compared to traditional DME suppliers and she finds great joy in helping businesses overcome these challenges to be successful.

Tiffany Duggin

Tiffany Duggin


Tiffany Duggin started as a Front Office Administrator in the O&P industry and joined O&P Insight in 2022 as a Revenue Cycle Specialist. She has used available education, resources, as well as trial and error to advance her skills with insurance prior authorizations and documentation compliance. The O&P industry helped Tiffany find her passion for helping people. She enjoys using her knowledge and industry wisdom to advocate for those with limb loss and limb difference to continue their journey on a different path.

Melissa Spranger

Melissa Spranger


Melissa Spranger joined O&P Insight in 2022 as a Director of Billing Services. Melissa’s billing experience in the O & P industry began in 2013 working from patient registration, insurance verification, prior authorizations, billing, to accounts receivable. Melissa’s experience in all aspects of the front end and billing administrative processes allows her to understand the unique challenges O&P suppliers face in today’s healthcare environment. Melissa finds great joy in tackling the complexities of billing O&P devices to help our clients get paid and stay paid.


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Curt's in-depth knowledge of coding, MCR policy and PDAC assisted us in developing the TayCo External Ankle Brace from pre-market to PDAC verified. His tenure in the field of Orthotics and Prosthetics was invaluable to our Team. Without him, TayCo External Ankle Brace would not be the successful AFO it is today.

Dr. Fred Ferlic, CEO
TayCo Brace
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The work that Lesleigh does is tremendously effective and vitally important to our business. Lesleigh has been able to come into our office and make lasting changes for the better. I am grateful for her work, her time, and her friendship because she has made a huge difference in how our company operates.

Peggy Muriftt, MSRC, CRC
Treasure State O&P Clinic
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Talk about a "game changer." Everyone in the O and P business needs a Lesleigh Sisson on their bench. We as business owners, managers, or practitioners only know so much of the playbook! Lesleigh comes in and fills the gap with the forgotten play or the trick play that gives you and your company the extra edge to succeed! Her experience and knowledge of the industry is so impressive, along with her enthusiasm to help improve your business. She takes on every client to make them better and takes a personal ownership to each account. It has been a true privilege to have her on our team as a small start up needing guidance as we continue to grow in this ever changing industry. She has truly contributed to my own self growth and our success!

Kati Auxier, ​Chief Operating Officer
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I have known Lesleigh personally for 3 years and known about her for 2 years more. She is a no-nonsense, by the book expert on the administration of an O&P practice. Whether you are starting a new practice and want to establish good operating procedures from the beginning, are an established practice needing to stay current on policy changes affecting your business, or are staying up nights worrying about the viability of your practice, Lesleigh can help. In my case, she performed an analysis of my operation and made some policy and procedural changes that turned around my practice. She's become very much invested in my success and will continue to be a valued member of my team as well as a friend.

Michael Plafker, CPO
San Francisco Prosthetic and Orthotic Service, Inc.
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Lesleigh is the person you want on your team! Her 25+ years of experience and expertise are superior. When I purchased an O & P practice last year, Lesleigh helped me to manage the challenges of personnel changes, work flow, how to interpret reports, billing matters, marketing, and advice on making the entire practice thrive. She was with me every step of the way and I am extremely grateful for her consulting services as well as her friendship It’s not easy to know if your front office staff is doing what needs to be done or your biller is doing things correctly, etc. Lesleigh can come in, overlook it all and tell you exactly what needs to happen. It is a great feeling to know when Lesleigh leaves your office, you are doing the best you can possibly do. If you want to get your practice in order, hire Lesleigh.

Gina Vittetoe, Owner
St. Petersburg Limb & Brace

Get in Touch!

Let us help you eliminate what's holding you back!

(702) 400-1661lesleigh@oandpinsight.com
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