Leadership Team

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Chief Executive Officer
Deanna Krymis

“I believe in providing high quality, affordable, patient-focused care that combines the latest advancements in medicine with a superior experience. That’s what our physicians and staff strive to deliver to every patient, every day.”

Deanna Kyrimis is a seasoned healthcare executive powered by more than 20 years experience in developing and implementing strategic business initiatives in a fast-paced healthcare industry. As Chief Executive Officer (CEO) of Arch Health Medical Group, Kyrimis leads a team of more than 300 employees and 85 primary and specialty care physicians who serve nearly 64,000 patients in eight convenient offices throughout North County San Diego. 

Under Kyrimis’ leadership, Arch Health Medical Group has enjoyed numerous industry accolades including “Elite Status” achievement from the California Association of Physician Organizations' 2016 Standards of Excellence Survey, and an “Excellence in Healthcare” award from the Integrated Healthcare Association – one of only 12 physician groups in California to earn the prestigious honor.

Since her appointment in December 2014, Kyrimis has guided Arch Health Medical Group through a complete realignment to focus on the strategic initiatives imperative to the future of value-based health care. This effort led to the development of Pacific Accountable Care (PAC), a Centers for Medicare & Medicaid Services (CMMS) approved accountable care organization in which Kyrimis also serves as CEO. PAC is a partnership of healthcare professionals whose goal is to provide high quality clinical outcomes at a lower cost by aligning care providers, removing barriers to the coordination of patient care, and transforming the delivery of health care with a patient-centered focus. Learn more at

Likewise, Kyrimis fulfills the duties of President and CEO for Pacific Accountable Management (PAM), a service dedicated to providing solutions to support physician practices through the many changes of health care. PAM offers advanced payment methods and cost improvement techniques to increase revenues and reduce overall costs associated with managing practices — allowing the physician to concentrate on delivering optimal care to patients. Learn more at

Prior to her position with Arch Health Medical Group, Kyrimis served as Chief Executive Officer at the New Mexico Heart Institute where she led a successful expansion of their statewide network, supporting more than ten hospitals. She was recognized as the Albuquerque Business Journal’s Top CEO in 2014 for her transformative leadership and dedication to never losing sight of what really matters – patients. Kyrimis has also served on several not-for-profit boards with emphasis on patient education, advocacy, healthcare legislation and innovation in creating new, more effective, patient-centered models for delivering care. 

Kyrimis earned a Master’s Degree in Organizational Leadership from the University of Oxford; a Master’s in Business Administration with a Focus in Healthcare Management from the University of California – Irvine; and a Bachelors of Arts in Psychology from Arizona State University. She is currently pursuing a Doctor of Science Degree in Administration-Health Services from the University of Alabama at Birmingham.



Chief Information Officer
Mary Kay Payne

Mary Kay Payne joined Arch Health Medical Group as Chief Information Officer in 2010 overseeing a technology landscape which has supported the growth of the organization from two to eight locations while doubling the number of providers to approximately ninety. Mary Kay also leads the Health Informatics and Decision Support Departments and works in partnership with clinical leadership to champion technology that directly enhances the patients’ experience and their health outcomes. She has led the development of technology to integrate clinical protocols at the point of care while creating actionable data repositories for population health management and improvement. In Collaboration with hospitals, health information exchanges and other partners, Mary Kay continues to develop the infrastructure leading Arch Health Medical Group and partner organizations into the future of healthcare, excellence in care and utilization management, improving quality while reducing the total cost of care. Mary Kay is also leading the development of strategies to improve the social aspects of population health beyond traditional healthcare ensuring the needs of the whole patient are being addressed. Mary Kay frequently speaks on innovation through technology, health informatics and population health management strategies. 

Prior to joining Arch Health Medical Group she held multiple positions over a span of twenty-four years at Hoag Hospital in Newport Beach, CA, including Vice President and Chief Information Officer, Vice President of Planning and Decision Support and Director of Program Development. Throughout her career Mary Kay has provided strong leadership for organizations during strategic growth and service expansion.  

Mary Kay received her Bachelor of Science in Political Economics from the University of California, Berkeley and Master of Public Health from the University of California, Los Angeles. 


Chief Operating Officer
Matt Niedzwiecki

Matt Niedzwiecki was appointed Chief Operating Officer for Arch Health Medical Group in October 2016. He brings an extensive background in ambulatory and operations leadership. His experience began in 1992 where he worked at Children’s Hospital, Los Angeles as the Director of Quality and Case Management. Then in 1996 he was the Executive Leader of Ambulatory and Quality Management Services for Rady Children’s Hospital. After serving in that role, Matt transitioned to Children’s Hospital, Orange County as Vice President of Ambulatory, Ancillary and Support Services. In his most recent position, he served as Chief Operating Officer at the Orthopedic Institute, Los Angeles. Matt steered the design, development and operational activation of an ambulatory surgery center also responsible for leading a strategic outreach program that vastly expanded the footprint of the institute. Throughout his tenure, Matt has led outreach and expansion projects, operationalized medical home models and maintained quality metrics in the 90th percentile (HEDIS).

Matt received his Bachelor of Science in Accountancy from Ferris State University and Masters in Business Administration, Concentration in Finance and Business Economics, from Wayne State University. In addition to his education, he has several certifications in this field including:

  • Lean Healthcare from the University of Michigan
  • Edwards Deming Institute
  • Philip Crosby Quality College
  • Matt is also the author of “Continuous Improvement Tools” A Practical Guide to Achieve Quality Results, Volume 1 and 2, 1994.


Chief Financial Officer
Hugh King

“I strive to keep an eye on the present with a vision for the future to ensure greater cost control and financial performance that benefits everyone … most importantly our patients."

With more than 30 years experience in health care, Hubert “Hugh” King provides a proven track record for developing and implementing strategic financial plans. His extensive background in business development, profitability analysis, regulatory compliance, managed care, joint ventures, revenue cycle and operations leadership led to his appointment as Chief Financial Officer (CFO) for Arch Health Medical Group in November 2016. Here King plays a key role in several strategic efforts as we focus on service excellence in delivering patient-centered care. This includes also fulfilling the role of CFO for Pacific Accountable Care (PAC) – a partnership of health care providers working together to improve the quality, coordination and efficiency of patient care; and for Pacific Accountable Management (PAM) – an organization designed to support the business functions of medical practices so that physicians can remain focused on providing excellent patient care.

King previously served as CFO of Foundation Healthcare in Oklahoma City, OK, and SoutheastHEALTH in Cape Girardeau, MO, while also holding positions of financial leadership at The Valley Health System in Hemet, CA and Porter Health Care System in Valparaiso, IN, among others. He began his career as a Certified Public Accountant with the firm of Ernst & Young, and earned his Bachelors of Science in Business Administration, Accounting from the University of Central Florida, followed by his Masters in Business Administration from Southern Methodist University.