Directors
Board of Directors
Therus Kolff, MD, MPH
Medical DirectorPhone: 800 366 1884
Dr. Kolff is the founder of the locum tenens industry. Find out more.

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Dr. Kolff is the founder of the locum tenens industry. Find out more.
VISTA Staffing Solutions is a member of the National Association of Locum Tenens Organizations (NALTO), an industry standards group established to ensure sound business practices. NALTO members are held to a strict code of ethics and dedicated to providing quality service to the health care and medical staffing industry. VISTA Staffing Solutions is a gold sponsor of the Association of Staff Physician Recruiters (ASPR), and an affiliate of the Medical Group Management Association. We're the physician staffing division of On Assignment, Inc., (NASDAQ: ASGN), is a diversified professional staffing firm providing flexible and permanent staffing solutions. Divisions include: On Assignment Healthcare Staffing, On Assignment Allied Travel, On Assignment Nurse Travel, On Assignment Health Information Management, On Assignment Lab Support US, UK, The Netherlands, Belgium and Ireland, On Assignment Clinical Research, On Assignment Engineering, Oxford Global Resources (IT and Engineering), and Vista Staffing Solutions (Locum Tenens and Physician Search).On Assignment is an Equal Opportunity Employer, M/F/D/V.
