Leadership & Staff

Mark Van Volkenburg

Mark Van Volkenburg


Mark serves as HealthSouth Harmarville's chief executive officer (CEO) and has been with the hospital for more than 20 years. Prior to his position as CEO, Mark oversaw clinical outcomes, therapy efficiency, therapy patient satisfaction, staff development, recruitment and retention and much more as HealthSouth Harmarville's director of therapy operations. He received a bachelor’s degree in business administration from Slippery Rock University and a bachelor’s degree in physical therapy from the University of Pittsburgh. Mark is an active member of the Clinical Advisory Board for the Department of Physical Therapy Program at Duquesne University and a member of the Clinical Advisory Board for Physical Therapist Assistant Program at the Community College of Allegheny County. He has also been a guest lecturer at the University of Pittsburgh, Duquesne University, Chatham University, Slippery Rock University and Gannon University.  Mark has been a delegate to the American Physical Therapy Association House of Delegates. 

James Kreshon

James Kreshon, Jr., D.O.

Medical Director

Dr. Kreshon is a specialist in the field of physical medicine and rehabilitation with a focus on orthopedic, geriatric and amputee rehabilitation. He is the former medical director for the rehabilitation unit at Armstrong County Memorial Hospital. Dr. Kreshon currently serves on the executive board as the vice president for ChoiceCare Physicians. He has been a member of the medical staff at HealthSouth Harmarville and a member of ChoiceCare Physicians group practice since 2001. Dr. Kreshon has been on active staff at the West Penn Allegheny Health System, Suburban Campus, since 2001. He is also on staff at various area hospitals and skilled nursing facilities. Dr. Kreshon completed his residency at the University of Pittsburgh Medical Center. He is a member of multiple professional societies and is board certified by the American Osteopathic Board of Physical Medicine and Rehabilitation and the Pennsylvania State Board of Osteopathic Medicine.

James Kreshon, Jr., D.O. is an independent private practice physician whose office is located at the hospital.

Brian Cicuto

Brian Cicuto, D.O.

Staff Physiatrist

Dr. Cicuto is a consulting physician at HealthSouth Harmarville specializing in osteopathic medicine. He also serves as a consulting physician at UPMC St. Margaret. He holds a subspecialty certification in pain management, is certified in the Interpretation of Functional Capacity Examination (ADEP) and is a diplomate of the American Board of Anesthesiolgy. He received his bachelor’s degree in physical therapy from Cleveland State University and his doctor of osteopathic medicine degree (D.O.) from Ohio State University. He served as an anesthesiology resident and pain management fellow at The Cleveland Clinic. He is a member of several professional organizations and holds D.O. licenses for Ohio and Pennsylvania.

Brian Cicuto, D.O. is an independent private practice physician whose office is located at the hospital.

Charles Greim

Charles C. Greim, M.D.

Staff Physiatrist

Dr. Greim is a specialist in the field of physical medicine and rehabilitation with a focus on brain injury rehabilitation. He is a former director of head injury services at HealthSouth Harmarville. He also serves as active staff at Allegheny General, courtesy staff at Butler Memorial Hospital and Alle-Kiski Medical Center, and secretary/treasurer of ChoiceCare Physicians, PC. Dr. Greim consults at Kindred Hospital Pittsburgh, North Shore. A graduate of Wayne State University School of Medicine, Dr. Greim completed his residency in internal medicine at MSU-Kalamazoo Center for Medical Studies and physical medicine and rehabilitation residency at University of Michigan Hospitals. Dr. Greim has been a member of the ChoiceCare Physicians group practice since 1990 and has been on staff at HealthSouth Harmarville Rehabilitation Hospital since 1987. Dr. Greim is a member of multiple professional societies including the American Medical Association, Pennsylvania Medical Society, Allegheny County Medical Society and the American Academy of Physical Medicine and Rehabilitation.

Charles C. Greim, M.D. is an independent private practice physician whose office is located at the hospital.

Kathy Grills

Kathy Grills

Human Resources Director

Kathy Grills joins HealthSouth Harmarville Rehabilitation Hospital with more than 20 years of progressive human resources experience in the health care industry. Her expertise is in employee relations, performance management and employee engagement. She received her undergraduate degree in social work from Pennsylvania State University and her Master of Arts from LaRoche College in human resource management.


Cindy LaVella, RN, CRRN

Area Director of Marketing Operations

Cindy is our area director of marketing operations and oversees the facility’s admission process, marketing services and the team of clinical liaisons. She has 26 years of nursing experience and has honed her knowledge of managed care products. She has been a HealthSouth employee since 2010, beginning as a clinical liaison then promoted to senior clinical liaison with elements of the marketing coordinator – managed care. She is a diploma registered nurse from Shadyside Hospital School of Nursing and became a Certified Rehabilitation Registered Nurse in 2012. She is a member of the Association of Rehabilitation Nurses and the Case Management Society of America.

Karl Liebe

Karl Liebe, M.D.

Staff Physiatrist

Dr. Liebe serves as a staff member of Allegheny General Hospital, The Western Pennsylvania Hospital and Alle-Kiski Medical Center. He also has full clinical staff privileges at St. Barnabas Health System and Wexford House. A graduate of Loyola University of Chicago, Stritch School of Medicine, Dr. Liebe completed his residency in physical medicine and rehabilitation at the University of Pittsburgh Medical Center. Dr. Liebe is a member of multiple professional societies and volunteers as medical staff at high school football games. He has been a ChoiceCare physician since 2008.

Karl Liebe, M.D. is an independent private practice physician whose office is located at the hospital.

Denise Milliner

Denise Milliner

Certified Case Management Director

Denise has more than 20 years of experience in case management and social work services in the healthcare industry. Prior to working with HealthSouth Harmarville, Denise was the director of care management and director of social work services at UPMC Braddock. She received her undergraduate degree in sociology and holds dual master’s degrees in management and technology and business administration from Carlow College. She also holds a master’s degree in social work from the University of Pittsburgh. She is a board member and the president elect of the American Case Management Association and a member of several other professional organizations.
Casey Rodak

Casey Rodak

Director of Therapy Operations

Casey is the director of therapy operations (DTO) and has over 20 years experience working at HealthSouth Harmarville. Prior to his current position as DTO, Casey was the manager of the occupational therapy department focusing on functional outcomes and maximizing the clinical expertise of staff. Casey started his career as a staff therapist on the neuroscience unit. Then he transferred to the orthopedic unit to function as a team leader. Having graduated from Duquesne with his Master of Occupational Therapy in 1995, Casey continued to be active for 10 years at Duquesne as an adjunct faculty teaching courses in kinesiology, anatomy lab and neuro approaches to treatment. He continues to serve on the clinical advisory board for Chatham University. Casey is also, very active in occupational therapy profession at a national level.

Nancy Simons

Nancy Simons

Director of Quality Improvement and Risk Management

Nancy has over 35 years in healthcare experience.. She is responsible for helping to create an environment and culture within the hospital that enables the hospital to fulfill its mission by conveying hospital goals to staff, facilitating staff accountability for performance and motivating staff to make improvements. Nancy also manages and plans all aspects of quality and risk management by monitoring and evaluating the quality of patient care services within the hospital and ensuring compliance with regulatory agencies, accrediting bodies and HealthSouth standards. She earned her certification as a registered nurse from Shadyside Hospital School of Nursing and holds a bachelor’s degree in urban planning from California State University.
Eileen Skalski

Eileen Skalski, DNP, RN

Chief Nursing Officer

Eileen Skalski serves as HealthSouth Harmarville’s chief nursing officer. She has 20 years of professional nursing experience including various roles ranging from medical-surgical nursing to nursing leadership and nursing informatics. She earned her Bachelor of Science in nursing SN and Master of Science in nursing from the University of Pittsburgh and her doctorate of nursing practice from Waynesburg University. In the past, she has also served as an adjunct faculty member, teaching undergraduate and graduate classes, for Thomas Edison State University, University of Pittsburgh and Waynesburg University. In addition, she has presented work at various healthcare-related conferences as well as served as a mentor for master’s-level students. 

Dan Vrana

Dan Vrana


Dan is a Certified Public Accountant with more than 30 years of financial management experience in the healthcare industry. Dan worked for seven years in public accounting serving a broad spectrum of healthcare clients. His progressive experience in the private health care sector covers a wide variety of financial and administrative positions including seven years as a chief financial officer. Dan became a member of the HealthSouth team in 2011. He is a member of the American Institute of Certified Public Accountants and an Advanced Member of the Healthcare Financial Management Association.