UnityPoint Health - St. Luke's Hospital

Meet our Team

Work Well Physicians


Megan Hart-Fernandez, ARNP, DNP
Education: Doctorate of nursing practice from the University of Iowa as well as a Master's degree in Occupational Health Nursing/Family Nurse Practitioner Program. 
Medical Interests: employee wellness, injury treatment and prevention, public health and migrant healthcare. She also speaks Spanish.


pospisil12-web.jpgShirley Pospisil, MD, MPH
Medical School: University of Iowa
Residency: Occupational Medicine & Anesthesia, University of Iowa. 
Certifications: Board Certified in Occupational Medicine
Medical Interests: My interests in occupational medicine lie in acute care of injured patients and following their recovery from an injury. I also am interested in prevention of injuries and in the field of toxicology. 

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Ann McKinstry, MD
Medical School: University of Iowa
Residency: Family Practice, University of Iowa 
Certifications: Board Certified in Family Practice
Medical Interests: My occupational medicine interests are preventing and treating workplace injuries and employee wellness.

 Tina Stec, MD, MPH
Medical School: University of Iowa
Residency: University of Iowa Hospitals and Clinics, Occupational and Environmental Residency
Master's in Public Health, University of Iowa
Board Certified: American Board of Preventive Medicine as a specialist in Occupational and Environmental Medicine

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Bill Manely, Physician Assistant
Education: Yale Medical School, Physician Assistant Program & Duke University Medical School, Occupational Medicine Physician Assistant Program
Certifications: Physician Assistant, Certified Occupational Hearing Conservationist, a registered radiologic technologist and certified by NCCPA (National Commission on Certification of Physician Assistants).
Medical Interests: My interests include work place safety and employee health.