Todd Ginkel, DC
Owner & CEODr. Ginkel is the Founder and CEO of PDR. He received his chiropractic and acupuncture training from Northwestern College of Chiropractic in 1990. and graduated from Russian State Medical University in 1996. Dr. Ginkel received further training in neck and back rehabilitation at the University of California, San Diego, Department of Orthopedic School of Medicine in 1993; and the University of Florida, Colleges of Medicine and Health and Human Performance in 2001. He is a certified acupuncturist, and has lectured to medical audiences on many topics related to the non-operative management and rehabilitation of spinal disorders. Dr. Ginkel is a member of the Board of Trustees at Northwestern Health Sciences University. He is also a member of the American Back Society.
Gary Johnson, MD, MPH, FACOEM
Occupational Medicine, Medical DirectorDr. Johnson serves as the Medical Director. He joined PDR in 2017 after serving as Assistant Medical Director at HealthPartners' Department of Occupational Medicine. He also served as the Medical Director at NorthWorks Occupational Health for 15 years, where he developed North Memorial Health Care's occupational health clinic. He also held positions at Allina and Columbia Park Medical Group as a staff physician. Dr. Johnson earned his medical degree from the University of Minnesota (U of M) School of Medicine in 1985. He completed his Internal Medicine residency at Abbott Northwestern Hospital, and his Occupational and Preventative Medicine Residency at Regions Medical Center/U of M. He obtained a Master of Public Health Diplomat degree from the U of M School of Public Heath in 1990. Dr. Johnson is board certified in Internal Medicine and Occupational Medicine, and is also a Fellow in the American College of Occupational and Environmental Medicine.
Thomas Kraemer, MD
Physical Medicine & RehabilitationDr. Kraemer joined PDR in 2003. Prior to joining PDR, he practiced in St. Cloud and Stillwater, Minnesota. He earned his medical degree from the University of Minnesota in 1989, and completed his residency in Physical Medicine and Rehabilitation in 1993. His specialty is general, non-operative management of neuromusculoskeletal disorders with an emphasis on neck & back rehabilitation. Dr. Kraemer has interests in injury/illness prevention, MedX spinal rehabilitation, and wellness and health promotion. He is a member of the American Medical Association, Physiatric Association of Spine, Sports and Occupational Rehabilitation (PASSOR), and the American Academy of Physical Medicine and Rehabilitation.
Deborah Friedman, MD
Physical Medicine & RehabilitationDr. Friedman joined PDR in 2012. Prior to joining PDR she worked at Sister Kenny Rehabilitation Institute in their inpatient and outpatient rehabilitation centers. She earned her medical degree from Sackler School of Medicine in Tel Aviv, Israel in 2007; and completed her residency in Physical Medicine and Rehabilitation at Nassau University Medical Center in East Meadow, NY in 2011. earned her medical degree from the Sackler School of Medicine in Tel Aviv, Israel and completed her residency at Nassau University Medical Center. Dr. Friedman is board certified in Physical Medicine & Rehabilitation and has interests in musculoskeletal rehabilitation, healthy living promotion, and preventative medicine. Dr. Friedman is a member of the American Academy of Physical Medicine & Rehabilitation.
William Ahlenius, MD
Physical Medicine & RehabilitationDr. Ahlenius joined PDR in 2010 after working at Sister Kenny Rehabilitation Institute in the areas of neck and back pain, spinal cord injury, and musculoskeletal injuries. He earned his medical degree from the University of California, Davis School of Medicine in 2002, and completed his residency in Physical Medicine & Rehabilitation at the University of Texas Health Science Center at San Antonio in 2006. Dr. Ahlenius is board certified in Physical Medicine & rehabilitation and has special interests in musculoskeletal spinal pathology, as well as spinal pain syndromes. Dr. Ahlenius is a member of the American Academy of Physical Medicine and Rehabilitation and the Association of Academic Physiatrists. He is also fluent in Spanish.
Lindsay Haugen, PA-C
Physician AssistantLindsay joined PDR in 2012. Prior to PDR, she held positions at Advanced Spina Associates, PA, and Twin Cities Spine Center. Her duties included assisting in spinal surgical procedures, and providing pre and post-surgical education and assessments. Lindsay earned her Master of Medical Science degree from the Physician Assistant Program at the University of St. Francis in Albuquerque, New Mexico in 2004. Her interests include injury/illness prevention, non-surgical and post-surgical management of spinal conditions, and wellness and health promotion. Lindsay is a memeber of the National Commission on Certification of Physician Assistants, the American Academy of Physician Assistants and the Minnesota Academy of Physician Assistants.