San Juan Health Partners Behavioral Health

Meet Our Team


Ariadna Sadziene-Bessinger, MD
Dr. Sadziene-Bessinger attended Vilnius University Medical College. She interned at the University of Medicine and Dentistry of New Jersey, and completed her residency Program at University of Pittsburgh Medical Center Western Psychiatry Institute and Clinics; and a fellowship at University of Pittsburgh Medical Center Western Psychiatry Institute and Clinics. 

She is board certified in General Psychiatry and Geriatric Psychiatry. 


Giselle Ferreira, MD 
Dr. Giselle Ferreira attended Medical School at the University of Rio de Janeiro. Dr. Ferreira completed her General Psychiatry Residency at the University of New Mexico. That was followed by a Child and Adolescent Psychiatry Fellowship, also at UNM, where she was the Chief Fellow.

Dr. Ferreira is fluent in Spanish and Portuguese. Dr. Ferreira’s professional interests include trauma, attachment, severe mental disorders, psychosis, as well as psychodynamic therapy, mind-body interfaces, holistic approaches, and cultural diversity.


Jocelyne Klasen, Ph.D.
Dr. Klasen graduated summa cum laude from the University of New Mexico’s University Honors Program with a Bachelor of University Studies. She went on to achieve a Master of Arts in Counseling from Western New Mexico University followed by a PhD in Clinical Psychology with an emphasis in Depth Psychology from Pacifica Graduate Institute in Carpinteria, California. In addition, she has extensive experience teaching graduate level courses in counseling. Dr. Klasen is fluent in French.

Dr. Klasen’s clinical interests are focused in the tradition of the Object Relation theories, human development, trauma, interdisciplinary studies, cultural traditions in relation to the development of the human psyche, and the treatment of severe emotional disorders. She uses a combination of humanistic, psychodynamic and cognitive/behavioral approaches.


Kwadwo Darko-Yeboah, PMHNP-BC
Mr. Darko-Yeboah holds a Bachelor of Arts in Chemistry from the University of Cincinnati, a Bachelor of Science in Nursing from the University of Akron, and a Master of Science in Nursing with a concentration in Psychiatric Mental Health from Northern Kentucky University. He is also a Certified Addiction Registered Nurse. He recently relocated to the Four Corners area from Ohio.




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