Dr. Jessica Greenberg, founder of NA Orthodontics, has been providing orthodontic care in North Arlington since 2003 after completing 10 years of training at the University of Pennsylvania, where she earned her B.A in neuroscience, Doctorate of Dental Medicine and Certificate of Orthodontics specialty. Dr. Greenberg is currently clinical faculty and a research advisor at the University of Pennsylvania School of Dental Medicine, where she instructs and mentors residents preparing to become orthodontists, and leads research focused on Molar Incisor Hypomineralization (MIH).

Recognized as a top-rated orthodontist, Dr. Greenberg is widely respected for her expertise in braces, Invisalign and use of advanced 3D orthodontic technologies. Her warm, patient-centered approach makes every visit comfortable and personalized. By blending more than two decades of clinical experience with her ongoing academic contributions, Dr. Greenberg ensures patients at NA Orthodontics benefit from the most up-to-date techniques and evidence-based care. Thousands of families across New Jersey have placed their trust in Dr. Greenberg to create confident, healthy smiles that last a lifetime.

Dr. Rana has been a valued member of NA Ortho since 2016. A New Jersey native, she graduated at the top of her class from the New Jersey Dental School before completing her three-year orthodontic residency at Montefiore Medical Center in New York. There, she gained extensive experience treating patients with a wide range of complex skeletal and dental needs. Known for her warm personality and exceptional skill, Dr. Rana has a special interest in esthetic and efficient orthodontics, helping patients achieve beautiful, confident smiles with comfort and precision.

Dr. Grace earned her Doctor of Medicine in Dentistry (DMD) and completed her Orthodontic Residency at the University of Pennsylvania, graduating with Radiology and Community Oral Health Honors. She has contributed to multiple research projects, including studies on orthodontic incisal positioning, innovative teaching methods in chemistry, and novel ligand synthesis for water remediation, with several publications to her credit.

Dedicated to both clinical excellence and community service, Dr. Grace is fluent in conversational Spanish and is also an accomplished artist. She brings a unique combination of scientific expertise, creativity, and compassion to her work, helping patients feel comfortable and confident throughout their orthodontic journey.

Dr. Boshi Jeff Zhang is a board-certified orthodontist dedicated to creating healthy, confident smiles for children, teens, and adults. He graduated at the top of his class from the University of Pennsylvania School of Dental Medicine and completed his orthodontic residency at UCLA. Since 2019, he has practiced in New Jersey, offering traditional braces and Invisalign for everything from early interceptive treatment to complex surgical cases. He has expertise in maxillary skeletal expansion and in using mini-implants to correct difficult bites without surgery.

His research on airway improvement and non-surgical open bite treatment has been presented internationally and earned the American Association of Orthodontists' Charley Schulz Resident Scholar Award. He has also returned to the University of Pennsylvania to teach orthodontic residents. Committed to giving back, Dr. Zhang has provided care to underserved patients in Los Angeles and schoolchildren in Philadelphia. Fluent in Mandarin and conversational in Spanish, he enjoys welcoming families from all backgrounds to the practice.