Dental One Associates of Bel Air
3435 Box Hill Corporate Center Drive, Suite E, Abingdon, MD 21009

John E. Longley, DDS  General Dentist

Cross-Keys-John-Longley-DDS

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
Excellent service for years now
Connie M.
I saw Dr Blaney. What a wonderful personable person!! He made me so comfortable and went well above the limit of patient assistance. He made sure that I would be well taken care of in the next […]
Deborah R.
My husband and I have been very pleased with our hygienist, Nancy, and with Dr. Blaney. It is always a pleasant experience. Our dental problems have been dealt with promptly.
Kathleen N.
The office is clean, the staff was very professional and the dentist (Dr. Scarupa) gave me very practical advice on how to move forward with my problem. I was fully expecting he would tell me I […]
Robert B.
Dr. Blaney is a great dentist and I trust his advice.
Sarah K.
No wait time in lobby, friendly and thorough hygienist, courteous staff.
Kerri B.
Great staff
Denise C.
Good service all around.
Jeffrey D.
Friendly staff.
Marlo I.
Everyone was extremely friendly and answered all of my questions. My dentist could not have been more professional and explained everything to me like he was talking to a friend. He also talked about […]
Derek S.
I was able to get an appointment immediately.
Brenda H.
Overall experience!!!
Larry D.
Had a cavity filled and felt no pain. My last dentist was horrible so I am so happy I changed over to Dental One Associates. Dr. Blaney is great and eases my anxiety.
Tonia M.
Dr. Blaney and his his assts…plain and simple…his assts (karen and I can’t remember the other gals name) are wonderful…and I think the world of Dr. Blaney.
Judith F.
Nancy and Dr Blaney are the best
Robert L.
Friendly staff, efficient. Pleasant experience.
Laura B.
Everyone there was wonderful.
Lynn J.
I love my hygienist Tammy. She is always friendly and does a great job!
Maryellen S.
My hygienst is great.
Willie D.
Dr. Chattwald is always very personable, accommodating and corrects what ever issues I have right away. The staff members I meet are always very helpful and user friendly.
Bertha H.
Office Hours
Mon. – 8:00 AM - 5:00 PM
Tue. – 8:00 AM - 5:00 PM
Wed. – 8:00 AM - 7:00 PM
Thu. – 8:00 AM - 5:00 PM
Fri. – 8:00 AM - 3:00 PM
Sat. – Closed
Sun. – Closed
Phone: (410) 698-1674
Fax: (410) 569-8704
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.

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For appointments, call us at: (410) 698-1674 or
Request an Appointment
For appointments, call: (410) 698-1674
Office Hours
  • Monday 8:00 AM - 5:00 PM
  • Tuesday 8:00 AM - 5:00 PM
  • Wednesday 8:00 AM - 7:00 PM
  • Thursday 8:00 AM - 5:00 PM
  • Friday 8:00 AM - 3:00 PM
  • Saturday Closed
  • Sunday Closed
Get in touch:
  • Phone: (410) 698-1674
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