About Us

Industry Leader in Full Service Revenue Cycle Management

World-Class Profitability Solutions

PETTIGREW was founded in 1989 in Athens, Georgia by Dr. “Chip” Pettigrew, III, M.D., FACEP. Dr. Pettigrew is an industry visionary with a desire to bring his knowledge and experience to the medical industry in a way that would make a difference. Operating as a wholly owned company, PETTIGREW is a pioneer in providing revenue cycle management services and has expanded into a diversified and accredited industry leader on a global scale. Currently offices are located in Texas, Florida, South Carolina, India and the Philippines as well as an ability to serve clients in most of the contiguous 48 states, Hawaii and Alaska.

PETTIGREW's clients span more than 20 specialties including cardiology, dermatology, podiatry, radiology, surgery, urgent care, emergency department, hospitalist, intensivists, behavioral health, internal medicine and federally qualified health centers. The company offers a complete suite of billing products and services for our healthcare industry clients.

Attentive customer service, along with a highly competent onshore and offshore labor force is empowered by industry leading processes and customized technology. PETTIGREW gives clients the advantages they expect and solutions they deserve. Over the decades our pride in the relationships we have built is based on the partnership of trust we uphold with our clients.

Mission Statement:

To provide enhanced profitability solutions for RCM through innovative technology, global assets and highly trained professionals.


Vision Statement:

To be the recognized leader in healthcare profitability solutions by leveraging the power of people and technology.

Our Directors

Emily M. Osetek, CHBME

President & CEO

Emily Osetek is the President and Chief Executive Officer of PETTIGREW. Osetek has over 30 years of RCM expertise and is an industry leader in this

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D.W. “Chip” Pettigrew III, MD, FACEP


Dr. Pettigrew began his career in emergency medicine in the US Army after completion of EM residency. He worked in large academic

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Julie Dixon, SPHR, SHRM-SCP

VP of People & Culture

Julie Dixon is the VP of People and Culture. She has held several different positions at PETTIGREW since her employment began in

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Rachel Gonter, MBA, MHA

Director of Operations - ED & Urgent Care

Rachel Gonter is the Director of Emergency Department Operations and oversees the Georgia Office Operations for PETTIGREW.

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Rene Severns, CPC

Director of Operations - Hospitalist & Physician Services

Rene has over 30 years of medical billing experience with a background in private practices and ASC’s with a focus in Revenue

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Adrian Soll, CPC, CPC-1

Director of Coding

Adrian Soll has been with PETTIGREW since 2005, working in every position in the coding department as he progressed from coder, to

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Clayton Fast

Director of Software Development

Clayton Fast is the Director of Software Development for PETTIGREW. Fast has been a technologist, software developer, and

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Lorelei Stull

Director of Credentialing and Enrollment

Lorelei has 25+ years experience in all phases of Medical billing and Management.

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Rick Pettigrew, CPC

President Emeritus

More than 25 years ago, WorldSource Co-Founder and President Emeritus Rick Pettigrew.

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D. W. "Skip" Pettigrew IV, MCSE

IT Director

Skip joined PETTIGREW in 2003 after graduating from the University of Georgia with a BBA in Management Information Systems.

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Mark Jones

Vice President of Business Development and Client Services

Mark R. Jones has over twenty-five years’ experience in revenue cycle management and consulting and

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Mahmoud Makki

Chief Technology Officer

Mahmoud Makki, (preferred to be called Makki), is the Chief Technology Officer at Pettigrew, where he leads the Information Technology and software development units.

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Our Managers

Leslie Hamilton

Operations Manager, Hospitalist Department

Leslie’s experience in full-revenue-cycle management expands over 30 years.

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Mishica A. Stephans, B.A, M.A.

Operations Manager, Physician Services Department

Mishica comes to Pettigrew with over 30 years of experience in the Healthcare industry

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Steven Worsham

Client Service Manager

Steven started working with PETTIGREW in July of 2000. He has been instrumental in all phases of Medical Billing and Revenue Cycle Management.
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Jennifer Deer

Manager of Credentialing

She is a native to Mt. Pleasant, SC where she lives with her husband, two teenage sons and their rescue dog, Bella.

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Mia Flores

Manager of Bilingual Call Center

Mia has over 15 years of Customer Service and Management Experience and is a certified
Medical office administration specialist

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Kristie Stevens

Operations Manager for ER and Urgent Care

Kristie Stevens has 25 years of experience in healthcare, areas of expertise are Urgent Care, Specialty services, and ER

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We will never forget that our clients are the key to our continued success, so we will always strive to meet and exceed their expectations