Dental One Associates of Westminster
412 Malcolm Drive, Suite 100, Westminster, MD 21157

John E Longley, DDS  General Dentist

dr.longley

Education:

Dr. Longley attended Towson University, Towson, MD, and received his Bachelor of Science degree in 1999. He continued his education at the University Of Maryland Baltimore College Of Dental Surgery, Baltimore, MD, earning his Doctor of Dental Surgery in 2003.

Dental Area of Focus:

General dentistry, Invisalign certified and trained in Sleep Apnea treatment with removable devices

Affiliated/Dental-related Associations and Organizations:

Member of the U.S. Army Reserves

Volunteer & Community Involvement:

Actively involved in Cub Scouts with his sons

Interests/Hobbies:

In his spare time, Dr. Longley enjoys tennis, fitness and home improvements.
Dr. Longley genuinely cares about his patients and their dental needs. He strives to make every dental visit a positive, pleasant experience.

“I’m a dentist that loves being a dentist, and that’s a pretty cool thing”

Read What Our Patients Say
Patient Reviews
Always excellent service.
Joan H.
Everyone was extremely nice and informative!.
Mary Y.
You folks do a great job
Jack S.
This was one of the best dental experiences I have had. All my life I have hated the dentist and actually have a lot of anxiety when going to the dentist. Dr. Allen was warm, kind, thorough and […]
Allison M.
Very friendly staff.
Kristine W.
Availabilty of appointment for emergency care. Professional excellence of the stall
Jay A.
I’ve been a patient here for about 18 months now. I have had cavities filled, wisdom teeth removed, and sudden tooth pain examined. I used to be terrified to visit the dentist. After 8 years I […]
Amanda H.
Excellent service, great staff!
John B.
Friendly staff and Doctors
Barbara H.
Excellent Staff and excellent service
Arnold B.
This place is very nice and friendly. All the staff very professional.
Christopher M.
Alicia the Hygienist and the dentist were rockstars! Awesome!
Investigator M.
Great experience!
April G.
Pure awesome staff ….
Sherrie C.
Efficiency and competency
Philip D.
Everyone was very nice. Was taken on time for both appointments I had.
Diana N.
They treat me well in the service is excellent. No wait time
Garett K.
My first visit to a Dental One hygienist was with Alicia. She was excellent….very thorough and explained everything well.
Janet W.
I have already referred your office. There is not a “rushed” feeling. The staff, from the moment you are greeted, until you leave the office, are friendly, professional, caring, and […]
Kandy C.
Nice people who seem to care about you.
Ian C.
Office Hours
Mon. – 8:30 AM - 5:30 PM
Tue. – 8:30 AM - 5:30 PM
Wed. – 8:30 AM - 5:30 PM
Thu. – 8:30 AM - 5:30 PM
Fri. – 8:30 AM - 5:00 PM
Phone: (410) 970-0292
Fax: (410) 876-5322
Healthcare Financing with
CareCredit
We Accept Most Insurance Plans!
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We accept most insurance plans and will be happy to help you understand the coverage that you have. We will do our best to see that you receive your maximum insurance benefits for all covered services.

No Insurance? No Worries! See our discounts and offers here

For appointments, call us at: (410) 970-0292 or
Request Appointment
For appointments, call: (410) 970-0292
Office Hours
  • Monday 8:30 AM - 5:30 PM
  • Tuesday 8:30 AM - 5:30 PM
  • Wednesday 8:30 AM - 5:30 PM
  • Thursday 8:30 AM - 5:30 PM
  • Friday 8:30 AM - 5:00 PM
Get in touch:
  • Phone: (410) 970-0292
Our Location