The Team

Owner/CEO

Mark Matta, DO, DFAPA

Dr. M. Matta currently serves as the CEO and Medical Director of Psych Med Associates, P.C., as well as the Medical Director for People in Need and Community Alternatives in New Castle. In recognition of his devotion to teaching, Chatham University students voted him the Psychiatric Preceptor of the Year in 2012 and the Clinical Preceptor of the Year in 2013. Furthermore, the New Castle News readers voted named him Best of the Best Psychiatrist from 2009 to 2017, and again in 2019, 2022, 2023, and 2025. He resides on the Lawrence County Mental Health Advisory Board. Previously, Dr. Matta was a recipient of the PA Medical Society's 40 Under 40 Award for young physicians. Away from patient care includes time with his faith, family time and traveling, Steelers football, watching movies, golfing, and skiing.

Certified Registered Nurse Practitioner

Terri Sharo

Terri started with Psych Med Associates in 2009. She originally earned her nursing degree from Sharon Regional Health System and a Bachelor of Science in nursing from Penn State University. Terri eventually went on to obtain a Master of Science in nursing with a Psychiatric Mental Health Nurse Practitioner specialty from Drexel University. Her work history includes several decades in behavioral health experience, starting with the inpatient behavioral health unit at Sharon Regional Hospital as well as working for Sharon Community Health Center and Primary Health Network. Terri enjoys spending time with her grandchildren when she is not working.

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Certified Registered Nurse Practitioner

Jonathan Fellion

Jonathan joined Psych Med Associates in 2013 after retiring from the Army and a full-time career working at the VA Hospital. Jonathan earned his Bachelor’s degree in psychology from the University of Tampa. He went on to earn a nursing degree from Shadyside Hospital and Bachelors in Nursing from Carlow College. He ultimately received his Certified Nurse Practitioner degree from the University of Maryland. Jonathan served in the Army for 22 years as a nurse and was deployed to both Afghanistan and Korea during this time. He continues to enjoy traveling in his spare time.

Certified Registered Nurse Practitioner

Lisa Russell

Lisa joined the Psych Med Associates team in 2022 as a Nurse Practitioner. She was originally brought on to the team in 2017 as a nurse manager but quickly grew to love psychiatry and ultimately decided to further her education. She completed her registered nursing education at Jameson Memorial Hospital School of Nursing in 2012, and completed her MSN – Psychiatric/Mental Health Nurse Practitioner degree at Walden University in 2021. She has worked in multiple facets of healthcare, including as a CNA, in the acute hospital setting, in long-term care, in outpatient services, and in management. In her free time she enjoys spending time with her family and outdoor activities.

Licensed Clinical Social Worker

Georgia Ross

Georgia joined the Psych Med team in 2005. Georgia earned a bachelor of science in biology from Westminster College. She then earned a Master of Public Health degree from the University of Pittsburgh and later earned a Master of Social Work degree from there as well. She worked for over 30 years at the former St. Francis Hospital prior to it becoming part of the Jameson Health System. During that time she held multiple positions and job duties as a clinical social worker. Her behavioral health experience includes grief and bereavement, chronic pain and geriatrics counseling. She presently collaborates as a field instructor with Youngstown State University’s Social Work Department. Outside of work, Georgia enjoys reading, music and travel.

Managing Staff

Chief Operating Officer

Katelyn

Katelyn obtained her Bachelors in Education and Psychology from Slippery Rock University, and later earned a Master of Science in Psychology. She previously worked for Jameson Hospital for 10 years, most recently as the Assessment Coordinator of Behavioral Health Services. While at Jameson, Katelyn performed numerous job functions at the inpatient and outpatient behavioral health units, cancer center, and emergency department. She joined Psych Med full-time in 2013 as the Practice Manager and was later promoted to the COO in 2021. She enjoys being a part of the psychiatric treatment team and business development. Outside of the office her loves include spending time with her family traveling, rooting for the Steelers and real estate.

Office Manager/Billing Supervisor

Amanda

Amanda joined Psych-Med in 2020 as our full time in house Medical Billing and Coding Specialist and was later promoted to Office Manager in 2021. She has previous experience in Family Practice, Physical Medicine, Chiropractic and Inpatient Billing and Management. She has been working in the field for over 20 years. In her spare time, Amanda enjoys spending time with her husband and children, camping with her family and friends and shopping.

Support Staff

Lynda

Office Staff (previous office manager)

Lynda has been with Psych Med Associates since the beginning in 1978. She originally worked for Dr. Shoukry Matta, prior to his son Mark taking over the business. Her loyalty to the company has always been at the center of her work ethic and she has been a key component of the many growing changes that have occurred over the years. As the former office manager, she continues to work part-time for the office. Lynda has been a marathon runner for many years and continues to run in local races.

Kim

Administrative Assistant

Kim joined Psych Med Associates in 2012 as a secretary/receptionist and now runs the office front window. The patients have all grown to know and love her smiling face over the years. Prior to joining the team she worked as a home health caregiver for many years. Kim enjoys the outdoors and spending time with her family.