Senior Management Team

Karen Marcoux, CPC

Director of Operations

Starting her career as a medical assistant in 1997, Karen performed both clinical duties and administrative tasks, giving her the unique perspective and understanding of the myriad of responsibilities required to run a successful medical practice.

In 2016, Karen became Director of Operations, the role she holds today. Her responsibilities are liaising with management to maximize operational efficiency and set strategic goals, mentoring and monitoring the Grey Ledge Medical billing staff and supervision of day-to-day business operations to ensure smooth progress and efficient workflow. Karen has been instrumental in the company’s expansion as a well-established medical billing company providing services to over 100 providers throughout New England.

In addition to her responsibilities at Grey Ledge Medical, Karen is a Certified Professional Coder (CPC) and an active member with the American Academy of Professional Coders (AAPC). She is also a member of the Massachusetts/Rhode Island Medical Group Management Association (MA/RI MGMA).

Sharon Parayno, CPC

Sharon joined CPM in May 2014 as our Intergy Practice Management, Electronic Health Record (EHR) Trainer and MACRA/MIPS/Meaningful Use liaison. Sharon is a Certified Professional Coder (CPC) with the American Academy of Professional Coders (AAPC).

In 2016, Sharon also took on the role as Manager of Client Services. In this expanded role, Sharon is a liaison between Grey Ledge Medical's staff and our client's office. She continually relays information to maximize operational efficiency and offers time-saving suggestions to our clients and staff.

Prior to becoming a system’s trainer, Sharon spent many years working in physician practices in roles ranging from Medical Assistant to Billing and Office Manager. This understanding of the real-life challenges of physician practices gives Sharon unique knowledge which proves to be beneficial when customizing software and training physicians, care-givers and office staff.

She is a Certified Medical Assistant and has a bachelor’s degree in Business Management. Sharon has been training physician practices on EHR and Practice Management Systems since 2002.

Bonnie Marcoux

Bonnie started with CPM in 2002 as a Medical Billing Specialist. Since her time at Grey Ledge, she has worked in many different roles and is a member of the Senior Management Team.

Bonnie’s current responsibility is to manage Grey Ledge Medical’s eClinical Works (eCW) and EPIC billing team and serve as the liaison between each of its eCW and EPIC clients and Grey Ledge. She has a keen understanding of several different medical billing software products including Intergy by Greenway, EPIC, eClinical Works, PrimeSuite by Greenway and Medical Manager.

Over the years she has become proficient in the billing requirements for many different specialties, including Primary Care, Urgent Care, Gastroenterology, Neurosurgery, Neurology and Pain Management.

Michelle King-Green

Michelle joined Grey Ledge Medical Management in 2021 and has quickly risen to the role of Manager of Credentialing Services.

Prior to working at Grey Ledge Medical Management, Michelle’s career in medical billing and healthcare management began in 1998. She worked as a claims examiner within a major Rhode Island health insurance company, where she reviewed and processed medical claims.

This has provided her with a first-hand perspective of how claims are processed within an insurance company. Furthering her career in medical billing, Michelle later began working at one of the pioneering medical billing companies located in Rhode Island at that time.

Throughout the years, Michelle has acquired many roles within the industry, ranging from Medical Biller, Account Manager, Assistant Department Manager, as well as Business Analyst. Through the experience gained from these various roles, Michelle is able to provide a unique level of knowledge on the challenges that physician’s offices face on a day-to-day basis regarding the medical billing process. This knowledge has proven to be quite beneficial when assisting clients with credentialing.

Under Michelle’s guidance, the Credentialing Team at Grey Ledge Medical assists providers with initial enrollments under new insurance organizations, as well as maintaining a provider’s current credentialing. Michelle and the Credentialing Team hold value in communication with insurance plans as well as with our clients, in order to ensure a well-informed credentialing process.