STAR Medical Auditing Services

About Star Medical Auditing Services

Passion. Experience. Diligence.

Mission Statement

To provide clients with quality coding and audit services; to train, educate and mentor coders; to promote a joyful work experience; to be socially-conscious and to grow the business with integrity.

Company Overview

STAR Medical Auditing Services was founded in 2016 with the mission to provide quality coding and audit services for healthcare facilities, private clinics and other agencies. In addition, the company also provides coding education and bootcamps for coding professionals. Our team of professional medical coders and auditors combined has over 50 years of experience in the field. All of the coders and auditors who work for STAR hold a variety of professional coding credentials including but not limited to:

  • Registered Health Information Technology (RHIT®)

  • Certified Professional Medical Auditor (CPMA®)

  • Certified Coding Specialist (CCS®)

  • Certified Professional Coder (CPC®)

  • Certified General Surgery Coder (CGSC™)

  • Certified Hematology and Oncology Coder (CHONC™)

  • Home Care Coding Specialist – Diagnosis (HCS-D)

  • National Credentialing Board of Home Health and Hospice (BCHH-C)

As a company, we care about our staff’s advancement and we continue to push them to stay informed and up-to-date with the latest coding guidelines and best practices while they continue to pursue additional medical coding certifications.



Founder & CEO

Robyn Petersen

Robyn is a seasoned Outpatient and ProFee Auditor, and holds several professional credentials and certifications. She worked at Maui Memorial Medical Center on Policy and Compliance & Privacy for several years, and also as an outpatient coder. Subsequently, she worked as an auditor for various healthcare solution agencies. Over the years, Robyn has developed a deep passion for the field. Realizing that there is a need for quality auditing services and education, she founded STAR Medical Auditing Services in 2017. Robyn has made it her mission to deliver exceptional medical auditing and coding services to healthcare professionals, and education, mentorship, and joy to fellow coders and auditors.

Robyn hosts quarterly educational webinars for various AHIMA Chapters throughout the country. She also serves as a member on a Utilization Review Panel where she reviews reimbursement denials and subsequent 3rd level appeals. 

Robyn has a B.S. degree in Human Resources Management and an A.A.S. degree in Health Information Technology. She lives happily on Maui, Hawaii with her husband, dog, two cats, and parrot. 


Credentials & Certifications

  • Registered Health Information Technician (RHIT®)

  • Certified Professional Coder (CPC®)

  • Certified Coding Specialist (CCS®)

  • Certified Professional Medical Auditor (CPMA®)

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Co-founder & CSO

Jian Liu

Jian has been with STAR since its early days and has been instrumental in shaping the company into what it is today. He brings to the team over a decade of experience in Healthcare and Technology. As the CSO for STAR, Jian is responsible for the strategic and continual growth of STAR. Extending his passion for entrepreneurship, Jian also works with local entrepreneurs and artists to bring their business vision to life. Over the years, Jian has worked with several Fortune 50 companies as well as with a few startups and non-profits.

Jian holds an MBA and Certificate of Entrepreneurship from University of Washington, Foster School of Business, and obtained his Marketing degree from Seattle University.

Today, he lives happily in upcountry Maui with his family.


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Director of Business Development

Marlisa Coloso

Marlisa brings to STAR over 30 years of Health Information Management (HIM) experience. She has worked as a HIM leader with major health organizations in Hawaii including HHSC Kauai and Maui Memorial Medical Center. As the Director of Business Development, Marlisa is responsible for building strong relationships with our customers and providing her expertise to help them achieve their goals and reach their full potential.

Born and raised in Hawaii, the islands are where Marlisa calls home. When she is not tending to her potted orchids, she is relaxing on the beach. Marlisa holds a Bachelor's Degree in Health Information Administration.

Credentials & Certifications

  • Registered Health Information Administrator (RHIA®)

  • Certified Coding Specialist (CCS®)


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Jamie Lung

Jamie joined our team in April, 2016 as Executive Administrator.  Jamie has a varied background in residential/commercial real estate, client relations, document preparation and management, operations coordination and business development. She finds the medical coding and auditing industry exciting and quite interesting and is looking forward to helping Robyn grow the business and increase STAR’s client list.  Jamie primarily handles the administrative and coordination of operations on behalf of STAR Medical Auditing Services.  

Jamie graduated from Fullerton College in 2006 with an Associate’s Degree in Liberal Studies. She currently resides on Maui, Hawaii with her fiancé and dog.