Dr. Yefta adalah dokter spesialis kedokteran fisik dan rehabilitasi medik lulusan dari Fakultas Kedokteran Universitas Indonesia. Beliau menamatkan pendidikan dokter umum tahun 1994 dan spesialis tahun 2006.

Dr. Yefta aktif dalam berbagai pelatihan di tingkat nasional dan internasional antara lain International Society of Physical & Rehabilitation Medicine (ISPRM), Malaysia (2016), Workshop Exercise Prescription for Persons with Physical Disabilities, Jakarta (2015), Exercise Prescription Course for Primary Physicians, Singapore (2015), Workshop Cognitive Behavioral Therapy (CBT) in Chronic Pain Management, Denpasar (2015), International Society of Physical & Rehabilitation Medicine World Congress, Beijing (2013)

• International Society of Physical & Rehabilitation Medicine (ISPRM) 2016, Kuala Lumpur, 29 Mei-2juni 2016
• Workshop Exercise Prescription for Persons with Physical Disabilities, Jakarta 10 Oktober 2015
• Exercise Prescription Course for Primary Physicians, Singapore July 2015
• Workshop Cognitive Behavioral Therapy (CBT) in Chronic Pain Management, Denpasar, Bali, 12-13 Desember 2015
• Pertemuan ilmiah Tahunan XIV, Jakarta 7-10 Oktober 2015
• Post Symposium Course : Neurodelevomental Treatment, Yogyakarta, 8-9 November 2014
• Pertemuan ilmiah Tahunan XIII, Yogyakarta, 5-7 November 2014
• Symposium Pulmonary Rehabilitation in Neuromuscular Weaknes, Jakarta, 16 Juni 2014
• Workshop mobility & Gait Problem After Stroke, Jakarta, 2 Oktober 2013
• International Society of Physical & Rehabilitation Medicine World Congress, Beijing – China, 16 Juni 2013
• APDW : Asia Pacific Digestive Week, Bali, 22/11/2014-25/11/2014
• PKB Trigonum SUDEMA, Bali, 30/10/2014-/11/2014
• International Joint Symposium 8^th Bali Geriatric Update Symposium-21^st Annual Scientific Meeting Japan Society of Haemorrheology. Kobe Women’s University, Bali, 22/08/2014-24/08/2014