Part of the Imagix Dental family
Legacy Pediatric Dentistry
3903 Jiles Road NW, Bldg. 200, Suite 210, Kennesaw, GA 30144

Mary Millkey, DDS  Board Certified Pediatric Dentist

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Dr. Millkey specializes in treating patients from infancy through their teenage years. She prides herself on building strong relationships with her patients and their families. Her outgoing and warm personality makes her patients feel comfortable and at-ease. With Dr. Millkey, you’ll find specialized care with the feel of a small town dentist.

She obtained her Bachelors at Yale University in New Haven, CT, and received her Doctor of Dental Surgery degree at New York University College of Dentistry in New York, NY. She completed a General Practice residency at Woodhull Hospital in Brooklyn, NY and a Pediatric Dentistry residency at Boston University Goldman School of Dental Medicine in Boston, MA.

Dr. Millkey is a Diplomat of the American Board of Pediatric Dentistry, a member of the American Academy of Pediatric Dentistry, the American Dental Association, and the Georgia Board of Dentistry. She was born and raised in Atlanta, Georgia.

Read What Our Patients Say
Patient Reviews
This place is AMAZING . Dr. Millkey and her staff go over and beyond to make sure that my daughter is happy and that all of her needs are met. I would give this place 10 stars if i could. Thanks so […]
Angela C.
Love Dr Millkey! Appointments also usually run on schedule, which we appreciate.
Jude M.
I love Dr. Milkey my daughter is so comfortable with her and I know she loves the kids and is concerned about their well being. Also, the staff is very friendly and makes you feel welcome.
Payden R.
Dr. Milky is very patient. Both of my kids were afraid of dentist visits but entire staff made them feel at ease at every appointment. Now it’s not so stressful anymore and we have made […]
Sujana M.
The office staff (Anne) and dentist Dr. Millkey were absolutely wonderful. It was the first experience for both my boys with the dentist and it was amazing. They made the boys and myself so very […]
Angela T.
Dr. Millkey is wonderful, when my daughter has her tooth extracted she called to check on her. I have never had a doctor do that before.
Veronica W.
Dr Milkey and staff are so calm and took my cues on how to keep my 3 yo calm too!
Barrett C.
Dr. Millkey and staff were great with my daughter! She went for her first visit to the dentist today at 20 months old. I was expecting a few tears but to my surprise she did great! Dr. Millkey took […]
Amy L.
Always a great experience with the staff! Anne and Dr. Milkey are wonderful!!
Beverley C.
Friendly office and Dr. Milky is awesome!
Flynn H.
My son’s first visit was awesome, fast and very caring staff. See you later! We saw Doctor Milky.
Cvwmdaniella B.
You guys are great. Dr Milkey is so patient with the screaming babies and the hygenaist that did my oldest this same day was amazing too. I wish I could remember her name for you!
Walter C.
Dr. Milkey and her staff made my son feel comfortable and provided an overall enjoyable experience. It was my 4 year olds first time at the dentist, so of course he was a little nervous. The […]
Kimberly M.
My 3 year old son always has a great experience when coming to Legacy Pediatrics. They always make him feel comfortable and at ease. He absolutely loves Dr. Milkey!
Donald B.
Dr. Milky is very patient. Both of my kids were afraid of dentist visits but entire staff made them feel at ease at every appointment. Now it’s not so stressful anymore and we have made […]
Sujana M.
Office Hours
Mon. – 8:00 AM - 5:00 PM
Tue. – 8:00 AM - 6:00 PM
Wed. – 8:00 PM - 7:30 PM
Thu. – 8:00 AM - 5:00 PM
Fri. – 8:00 AM - 2:00 PM

Monday and Thursday office staff only
Open every other Friday

Phone: (678) 825-6913
Fax: (770) 590-8881
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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: (678) 825-6913 or
Request Appointment
For appointments, call: (678) 825-6913
Office Hours
  • Monday 8:00 AM - 5:00 PM
  • Tuesday 8:00 AM - 6:00 PM
  • Wednesday 8:00 PM - 7:30 PM
  • Thursday 8:00 AM - 5:00 PM
  • Friday 8:00 AM - 2:00 PM
Get in touch:
  • Phone: (678) 825-6913
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