Meet Our doctor
Former President of
The South Carolina Association of Orthodontists
Dr. Riordan is a Rock Hill, South Carolina native dedicated to his patients and their orthodontic needs.

Caring, Dedicated, Highly Skilled
Get to Know Dr. Riordan
Dr. Riordan is a native of Rock Hill, having attended Ebinport Elementary, Sullivan Middle, and Northwestern High School. He graduated cum laude with a Bachelor of Science degree in Biology from The University of South Carolina for his undergraduate studies. After college, Dr. Riordan attended the Medical University of South Carolina, where he earned his Doctor of Dental Medicine degree. Following dental school, Dr. Riordan completed a 30-month Orthodontics and Dentofacial
Orthopedics residency at the Medical College of Georgia.
More About Our Doctor
In recognition of his high achievement in dental school, Dr. Riordan was chosen for membership in the Omicron Kappa Upsilon Dental Honor Society. Immediately after graduating, Dr. Riordan established his practice in Fort Mill in 2001. He added a Lake Wylie location in 2012.
Dr. Riordan is a former President of the South Carolina Association of Orthodontists as a Clinical Assistant Professor at the Medical University of South Carolina Orthodontic Residency Program, where he taught clinical orthodontics to the residents for the first 10 years of the program’s existence.
Dr. Riordan and his wife, Heidi, are proud parents of two boys, Hudson and Jude.
Organizational Involvement:
- Tri-county Dental Society, Past President
- South Carolina Association of Orthodontists, Past President
- Southern Association of Orthodontists
- American Association of Orthodontists

Visit the Orthodontic Experts
If you’re looking for a professional and reliable orthodontic care provider focused on delivering outstanding results for every patient, look no further than Riordan Orthodontics. We look forward to providing you with dental care that comes second to none!
Our Service Areas
Fort Mill, SC
Lake Wylie, SC
Batesburg-Leesville, SC
Fort Mill Office
MAIN OFFICE
1741 Gold Hill Rd, Suite 200
Fort Mill, SC 29708
HOURS:
Mon-Thurs 7:30am-5pm
803-802-2580
EMAIL US
OFFICE GALLERY
OFFICE DIRECTIONS
1300 Village Harbor Dr
Lake Wylie, SC 29710
HOURS:
Tues & Thurs 7:30am-5pm
803-802-2580
EMAIL US
OFFICE GALLERY
OFFICE DIRECTIONS
Batesburg-Leesville Office
527 E. Columbia Ave.
Leesville, SC 29070
HOURS:
By Appointment
803-802-2580
803-532-3500
EMAIL US
OFFICE GALLERY
OFFICE DIRECTIONS
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