In 1984, Dr. Kachmar graduated from the Faculty of Medicine at the Lviv State Medical University.
He completed his internship at the Rivne Regional Hospital from 1985 to 1986; he worked as a psychiatrist at the Regional Psychiatric Hospital in Ostrih from 1986 to 1989; he worked as a Research Assistant at the Department of Healthcare Administration in Lviv from 1989 to 1990.
In 1990, Dr. Kachmar started working as a psychotherapist at the Kozyavkin medical facility in Truskavets; he then went on to work as a doctor of functional diagnosis; he was the Deputy Director of Research from 1996 to 2000.
In 1997, Dr. Kachmar defended his Candidate thesis - Statics and Motor Functions in Children with Cerebral Palsy – Treatment and Dynamics.
He regularly participates in national and international conferences and congresses. He often publishes articles in Ukrainian and international scientific journals.
Dr. Kachmar is the National Coordinator of Ukraine at the European Academy of Childhood Disability. He has the first qualification level in functional diagnosis.
He was awarded the Honorary Diploma of the Cabinet of Ministers of Ukraine for his significant contributions in providing medical care to children, introducing modern innovative treatments, and for his conscientious and dedicated work.