Employer Solutions

Meet the Frederick Health Employer Solutions Staff

Stephan Mann MD, MPH, Medical Director

Stephan Mann MD, MPH is the Medical Director for Corporate Occupational Health Solutions with offices in Westminster and Frederick. Dr. Mann is Board Certified in Occupational Medicine and Family Practice, and is a certified Medical Review Officer, Independent Medical Examiner and Aviation Medical Examiner. He has practiced medicine for over 30 years and has 20 years of experience in Occupational Medicine.

Robert Kehler PA-C

Robert Kehler is a certified Physician Assistant who has worked in Occupational Medicine since 1999, coming to Carroll Occupational Health in 2005. He also has extensive experience in Physical Medicine, Rehabilitation and Sports Medicine having worked in those areas for several years. He is a certified DOT examiner.

Darrell Kontz, PA-C

Trevor Johnson, Physical Therapist

Ahmad Hawkins, Physical Therapist Assistant

Rachel Ridgway, PA,C







Diane Darr, PA-C

Krystal Rafferty, PA-C