I'm a paragraph. Click here to add your own text and edit me. It’s easy. Just click “Edit Text” or double click me and you can start adding your own content and make changes to the font.

Pat O'Sullivan
CEO and Founder of Premier Billing Network, LLC and O’Sullivan Consulting Group, Inc.

Pat O’Sullivan and partner, Nobby Lewandowski, C.P.A., founded Premier Billing Network, L.L.C., which is one of the O’Sullivan Group companies, with the vision to become the most customer service oriented consulting and billing service company in Ohio.

Pat’s experience as a consultant with other medical billing companies allowed her to develop strategies and services that competitors do not have. The O’Sullivan Group and Premier Billing Network are prepared for any changes to our nation’s health care system. 

Pat has over 30 years of medical practice management experience in a multitude of specialties.  Her company now consists of a team of specialists combining individual talents to form one of the premier healthcare consulting and billing companies in the region.  She can bring this experience to your practice. 

Machelle Giordon – Medical Credentialing Specialist

Machelle joined us in 2004 and has developed a position which has helped our clients in many ways.  Machelle joined PBN first as a biller and has experience in medical billing for both hospitals and physicians. Machelle became the Medical Credentialing Specialist for O’Sullivan Consulting Group and has developed strong relationships with carriers both in Ohio and nationally so credentialing issues with clients have been minimized or eliminated.  Her expertise with practice start-ups and contracting has allowed many of our clients to expedite their participation in plans, where in the past they would have been delayed.


Laurie Kotalac- Medical Credentialing Specialist

Laurie joined O’Sullivan Consulting Group in January, 2016 after working for 3 years as the Insurance Coordinator for a local Optometrist. In that roll, Laurie worked pro-actively to determine insurance benefits and explain these benefits to her patients before their appointment, thereby achieving low outstanding receivables. Laurie has worked in multiple healthcare settings, including Medina General Hospital (Human Resources) and Medina City Schools (School Nursing).  As the Employee Benefits Specialist at Medina General, Laurie managed the employee’s health plan enrollments and facilitated New Employee Orientations. At Medina City Schools, she ran a busy elementary school clinic and managed the medical files of all students.  Laurie’s attention to detail, interpersonal skills and insurance knowledge is a benefit to you and our growing Credentialing Department.


Subscribe To Newsletter

  • Wix Facebook page

O'Sullivan Consulting Group

3637 Medina Road, Suite 320

Medina, OH 44256


Call Us: 330-723-2111 

Fax: 330-723-2188

Email: info@osullivanconsult.com

© 2019 O'Sullivan Consulting Group

Website Designed & Maintained By Partner Marketing