Contact Us
Proudly serving the Denver Metro Area and Boulder, Colorado
Our doctors currently offer in-person testing at our Littleton and Boulder offices and in-home testing across the state of Colorado. To schedule a neuropsychological evaluation, please contact us via phone at (720) 242-7533 or by using the form below. Click here to review our Evaluation Models.
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Littleton
Horizon Neuropsychological Services, LLC
Parking Directions
We are located at the Littleton Adventist Hospital. Please park in the spaces near the Arapahoe Medical Plaza I Medical Office Building, where you will enter. Once inside the building, we are located on the third floor in Suite 330.
Boulder
Horizon Neuropsychological Services, LLC
On August 1, 2026, our Boulder office is moving to 6260 Lookout Rd #120, Boulder, CO 80301 (from 3000 Center Green Dr, Suite 230).
Parking Directions
Until July 31, 2026 we are located at 3000 Center Green Dr., Boulder, CO 80301. Please park in front of the building or under the building. Garage entrances are on both sides of the building and there is an elevator in the garage. If you park out front, the elevator is through the left doors (if you are facing the building). There are also stairs through the right doors (if you are facing the building). Once inside the building, we are located on the second floor in Suite 230.
New location (effective Aug 1, 2026)
Current location (through Jul 31, 2026)