Dental One Associates of Cross Keys
2 Village Square, Suite 250, Baltimore, MD 21210

Michael Diorio, DMD  General Dentist

Michael Diorio DMD

Michael Diorio was born and raised in Marlton, New Jersey. As one of five children he enjoyed staying active in his community. He attended High School at Saint Joseph’s Preparatory in Philadelphia. He graduated with honors from Rutgers University with a Bachelor of Arts Degree majoring in Biological Sciences. A combination of a keen interest in the health sciences, compassionate desire to help others, and natural artistic skills to create form and function made a career in the practice of dentistry an easy choice.

He then went on to attend Rutgers School of Dental Medicine, where he excelled both academically and clinically, and received special recognition on behalf of the American Academy of Implant Dentistry for Excellence in Implant Dentistry. During dental school he also completed a brief externship in Dublin, Ireland on behalf of the International College of Dentists. Dr. Diorio is an active individual with diverse interests including playing hockey, fishing, camping, writing, and staying involved in the community. Professionally, he is an active member of the American Academy of Implant Dentistry and the Academy of General Dentistry. His aim is nothing short of excellence. Each patient is treated with his gentle and compassionate skills and abilities. Ultimately, his goal is to make you feel involved and comfortable with your dental needs and choices.

Read What Our Patients Say
Patient Reviews
The staff really made me feel comfortable. The Dr. explained everything to me in laymen term the procedures.
Lannette H.
Barbara provided excellent service and conducted herself in a very professional manner. Always displays a pleasant and contagious personality!
Doretha J.
I’ve never liked going to the dentist since I was a child because of my sensitive teeth. Came across Dental One Associates of Cross Keys and it has been my best experience to date. From the […]
Sabrina G.
Professional staff, aesthetically pleasing environment, Dr. /patient interaction respectful, informative and assuring.
Thomas J.
I have been going to Dental One Cross Keys for 20 + years. The staff is courteous and professional. My dentist name is Barbara. I think she is the best.
Adrienne E.
Good services, good team
James G.
Pleasant and efficient environment. Barbara is the best!!
Margaret O.
Well run office, friendly and efficient.
Elizabeth B.
Excellent customer service, patient care, and communication with dentist and hygienist
Kathryn G.
Pleasant staff, professional and quick service, overall nice atmosphere
Angela P.
Hygienists were great, dentist made everything easy to understand and was very thorough
Hilary F.
Very nice personnel, good service
Lauryn C.
I have been a patient for years. I have not had a problem with scheduling an appointment. The staff is always friendly and always professional. I have referred others because of the great service […]
Angela B.
Dental One is the best ever, I am all for professionalism and great care. The team at Dental One far exceeds my expectations and the promptness of connecting with your doctor is timeless. Almost no […]
Rosy N.
Ease of scheduling, assistance provided by the reception area and calm, professional, understanding care provided by the dental professionals
Shirley F.
The customer service is excellent. Everyone is very courteous and Dr. Longley was very comforting and explained everything in a way that I completely understood. Dr. Longley took my concerns into […]
Deborah D.
I pride myself on cleanliness and your office is very clean. Even when you are speaking with the receptionist and pan behind the desk, it is clean. The team that sits up front is so professional and […]
Rosy N.
The Doctor was outstanding-staff professional, takes time to discuss financial aspect of care-display of caring for the customer very visible
James S.
I was treated very well!
David C.
Barbara is excellent – I look forward to getting my teeth really cleaned!
Janet H.
Office Hours
Mon. – 8:00 AM - 6:00 PM
Tue. – 8:00 AM - 6:00 PM
Wed. – 7:00 AM - 7:00 PM
Thu. – 7:00 AM - 7:00 PM
Fri. – 7:00 AM - 4:00 PM
Sat. – Closed
Sun. – Closed
Phone: (443) 863-6394
Fax: (410) 433-4554
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: (443) 863-6394 or
Request an Appointment
For appointments, call: (443) 863-6394
Office Hours
  • Monday 8:00 AM - 6:00 PM
  • Tuesday 8:00 AM - 6:00 PM
  • Wednesday 7:00 AM - 7:00 PM
  • Thursday 7:00 AM - 7:00 PM
  • Friday 7:00 AM - 4:00 PM
  • Saturday Closed
  • Sunday Closed
Get in touch:
  • Phone: (443) 863-6394
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