

Clinical Staff
Meet our accomplished and highly trained clinical staff. They represent some of the most talented and dedicated rehabilitation professionals anywhere. And at the Rehabilitation Institute of Montana, they work together to create individualized programs tailored to meet each patient’s goals and help them achieve a more independent life.
Killeen Nielsen, FNP, Physical Medicine and Rehabilitation Nurse Practitioner A BSN graduate of Montana State University, Killeen went on to receive her MSN from Gonzaga University. Killeen has worked as a registered nurse and clinical manager for Community Medical Center's Rehabilitation Program. Her experience as a family nurse practitioner includes rheumatology, family practice and rehabilitation. | Denise E. Allen, M.D., Physical Medicine and Rehabilitation Physician: Dr. Allen is certified by the American Board of Physical Medicine and Rehabilitation, receiving her medical degree from Creighton University in Omaha, Neb., and completing her residency at the Medical College of Wisconsin Affiliated Hospitals in Milwaukee. Since 1984, Dr. Allen has cared for a wide variety of patients in Missoula, with an emphasis on stroke, spinal cord injury, brain injury, multiple trauma and neurological diseases. |
Dean E. Ross, M.D., Physical Medicine and Rehabilitation Physician Dr. Ross graduated medical school at the University of Michigan, then completed his residency at the University of Michigan Medical Center’s Department of Physical Medicine and Rehabilitation. Dr. Certified by the American Board of Physical Medicine and Rehabilitation, Dr. Ross has been practicing physical medicine and rehabilitation in Missoula since 1982. Dr. Ross’ professional interests include developmental disabilities, spinal cord injury, amputations and electrodiagnosis. |
Killeen Nielsen, FNP, Physical Medicine and Rehabilitation Nurse Practitioner A BSN graduate of Montana State University, Killeen went on to receive her MSN from Gonzaga University. Killeen has worked as a registered nurse and clinical manager for Community Medical Center's Rehabilitation Program. Her experience as a family nurse practitioner includes rheumatology, family practice and rehabilitation.
Denise E. Allen, M.D., Physical Medicine and Rehabilitation Physician: Dr. Allen is certified by the American Board of Physical Medicine and Rehabilitation, receiving her medical degree from Creighton University in Omaha, Neb., and completing her residency at the Medical College of Wisconsin Affiliated Hospitals in Milwaukee. Since 1984, Dr. Allen has cared for a wide variety of patients in Missoula, with an emphasis on stroke, spinal cord injury, brain injury, multiple trauma and neurological diseases.
Dean E. Ross, M.D., Physical Medicine and Rehabilitation Physician Dr. Ross graduated medical school at the University of Michigan, then completed his residency at the University of Michigan Medical Center’s Department of Physical Medicine and Rehabilitation. Dr. Certified by the American Board of Physical Medicine and Rehabilitation, Dr. Ross has been practicing physical medicine and rehabilitation in Missoula since 1982. Dr. Ross’ professional interests include developmental disabilities, spinal cord injury, amputations and electrodiagnosis.