meet the team

Chiropractor Tigard OR Halsy Carter


Halsy Carter D.C.

Dr. Halsy was born and raised in the Pacific Northwest. He has four children that he loves spending time with. He attended the University of Western States Chiropractic College and graduated in 2012. 

Upon graduating, Dr. Halsy spent time working for multi-disciplinary clinics where he honed his chiropractic skills and learned more about treating a patient as a whole. Dr. Halsy believes in offering his patients high-quality, science-based chiropractic care. He is here to treat your aches, pains, and injuries without wasting your time or money. Dr. Halsy formed Straight Up Chiropractic in September 2015 and has been treating patients since 2012.

Chiropractor Tigard OR Greg Oltmann


Greg Oltmann D.C.

Dr. Greg is a Northwest native. He grew up in Beaverton, Oregon and graduated from
Westview High School. He is married and has four boys who always keep him moving. He
enjoys an active lifestyle and getting outside to play sports or just hanging out with his
family. Dr. Oltmann graduated from the University of Western States in 2013 and has since
learned a variety of new skills and methods of treating patients since being out of school.

Dr. Greg Oltmann has spent many hours learning about and treating patients with a variety of musculoskeletal conditions. While being very good at treating spinal conditions, he also enjoys the challenge that comes from treating the extremities. He can perform hands-on chiropractic techniques, instrument-assisted soft tissue therapy, instrument assisted adjusting, cold laser therapy and Kinesio taping. Dr. Greg has a long history of sports and athletics and enjoys the complexities in the ways the body moves. He uses a lot of muscle testing and movement patterns to determine the ideal way of approaching specific conditions.

Dr. Oltmann has a lot of experience in treating motor vehicle accident patients. He firmly believes it can take a team to appropriately manage these complex cases. He has set up a network of other providers he trusts and works with. This means even if he isn't the right



Brad Nymyer, LAc

Chiropractic Tigard OR Staff Member

Office Manager

Kristy Gittins


Licensed Massage Therapist

Lynsie Bean L.M.T.


Licensed Massage Therapist

Erzhen Baldukhaeva L.M.T.


Licensed Massage Therapist

Kai Rodgers L.M.T.


9:00am - 6:00pm

9:00am - 6:00pm

9:00am - 6:00pm

9:00am - 6:00pm

10:00 am - 4:00pm

9:00am - 1:00pm

Straight Up Chiropractic

12700 SW North Dakota Street #180
Tigard, OR 97223
Phone: (503) 716-8281
Fax: (503) 716-8783