About Dr. Sergio Calleja
Board Certified Oral and Maxillofacial Surgeon specializing in corrective jaw, cleft, and craniofacial procedures.
Video Message from Dr. Calleja
"In this short introduction, I discuss our commitment to compassionate care and how we utilize advanced technology to tailor outcomes for every patient."
"My mission is to provide world-class surgical care with a personal, family-centric approach. Whether treating a complex craniofacial condition or performing dental rehabilitation, I believe in evidence-based medicine tailored to the individual."
Dr. Calleja grew up between Santiago, Chile, and Northern Chilean Patagonia. After receiving his first DDS and a Master's in Public Health, he practiced for 7 years before moving to the US to earn a second DDS at the University of Michigan.
Dr. Calleja founded and managed multiple surgical healthcare volunteering programs for the Chilean Patagonia with isolated and underserved populations. This qualified him for a Master's in Public Health scholarship. He later underwent extensive dental implant training in Barcelona, Spain.
During his time at the University of Michigan School of Dentistry, he continued to participate in mission trips to Kenya and Guatemala. His residency exposed him to severe maxillofacial trauma, corrective jaw surgeries, and oral surgery at institutions including Washington Hospital Center, the National Institute of Health (NIH), and Children's National Medical Center.
Finally, committed to the most complex cases, he completed a Cleft and Craniomaxillofacial Fellowship at Charleston Area Medical Center Children's Hospital, working with one of the oldest cleft lip and palate teams in the country.
Dr. Calleja is an expert in Face and Jaw surgery using patient-specific implants and minimally invasive surgical methods. He practices full scope Oral and Maxillofacial Surgery, including Orthognathic Surgery, Cleft and Craniomaxillofacial surgery, Facial Trauma, and TMJ arthroscopic surgery. He sees patients from across the DMV — Maryland, Virginia, and Washington DC — at the two Southern Maryland locations of Southern Maryland Oral & Maxillofacial Surgery.
Aside from Dr. Calleja's educational background, research, and achievements, He is fluent in Spanish and English. He has a great passion for helping patients and continues to attend medical mission trips to South America. With his Patagonian roots, he is committed to providing compassionate healthcare, treating patients as if they were family.
If pronouncing the Calleja last name is complicated in English, no worries! Many patients and friends call him Dr. Sergio or Dr. "C".
Above all, Dr. Calleja likes spending time with his beautiful wife and son, traveling to Canada or South America, while enjoying the multiple attractions the DMV area has to offer.
Professional Highlights
- ✓Board CertifiedAm. Board of Oral & Maxillofacial Surgery
- ✓Double DDSUniversity of Michigan & Universidad Mayor
- ✓Fellowship TrainedCleft & Craniomaxillofacial Surgery
- ✓Bilingual ExpertNative fluency in Spanish & English
Surgical Education Gallery
Explore more detailed educational videos regarding specific surgical procedures and patient care.
Introduction to Our Clinical Excellence
Dr. Calleja discusses his background, international training, and the multidisciplinary approach taken at Southern Maryland Oral & Maxillofacial Surgery, serving the DMV — Maryland, Virginia, and Washington DC.
Advanced Surgical Planning & Care
An inside look at how we utilize 3D virtual surgical planning and digital diagnostic tools to personalize every orthognathic and implant procedure.