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Johns Hopkins Medical Imaging – Columbia

Johns Hopkins Medical Imaging at Columbia

Our convenient location in Columbia offers a wide range of radiology exams and procedures. With weekday, evening and weekend appointments, our team provides the highest level of patient care, comfort and convenience.


Please call 443-997-7237 to request an exam.  Mammogram screenings, ultrasound, CT and DEXA exams can be self-scheduled through our Patient Portal (MyChart).


We welcome walk-ins for X-ray, DEXA, screening mammogram, and selective CT exams. Please call our office in advance to ensure we can accommodate your requested exam. Walk-ins must arrive at least 30 minutes before closing time as listed below. Exam preps and insurance pre-authorization may exclude some patients from walk-in services.

Concerned about bad weather?

In the event of severe weather conditions that could cause a disruption in our normal operating hours, you will be notified by our team if your appointment needs to be rescheduled. If you have concerns during a weather event about our office hours, please call the office location where your exam is scheduled.


We accept most medical insurance plans and manage the benefit confirmation and pre-authorization process on behalf of our patients and referring providers.

Address and Directions

Johns Hopkins Medical Imaging - Columbia
Located in the Columbia Medical Center
11055 Little Patuxent Parkway
Suite L9
Columbia, MD 21044
Maps and directions
Campus map

Phone: 443-574-5800
Fax: 443-451-6986

Imaging Services and Hours of Operation

The hours of operation may vary based on the study being performed. Please call 443-574-5800 for specific exam times at this site.

CT scan

Mon–Fri 8 a.m.–5 p.m.
Saturday 8 a.m.–noon

DEXA scan

Mon–Fri 8 a.m.–3 p.m.


Mon and Thurs 7:30 a.m.- 6 p.m.
Tues and Fri 8 a.m.- 4:30 p.m.
Wed 8 a.m.- 6:30 p.m.
Saturday 8 a.m.–noon


Mon–Thurs 6 a.m.–10:30 p.m.
Fri 6 a.m.–Midnight
Sat Midnight–10 p.m.
Sun 6 a.m.–10:30 p.m.


Mon–Fri 8 a.m.–4:30 p.m.
Saturday 8a.m.–noon

Mon–Fri 8 a.m.–6:00 p.m.
Saturday 8 a.m.–noon

Referring Providers

Request an Exam

To request an exam, download and complete our Johns Hopkins Medical Imaging requisition form. Learn more about the services we offer for referring providers and physicians.

Laurie Nilsen

Contact Our Physician Liaison

Laurie Nilsen is a physician liaison for Johns Hopkins Medical Imaging, for the Howard County location. Nilsen markets diagnostic imaging services to physicians, administrators and staff in private practices and hospital settings.

She earned her bachelor's degree from Davis and Elkins College in 1987. She was previously an account representative for Advanced Radiology in Annapolis for the last nine years and comes to the team with background in radiology.

Nilsen is married and has two sons and a daughter. She is from Arnold, Md., and now resides in Anne Arundel County.

She can be reached at 410-949-6255.