Dental Staff

All professionals at Maryland Dental Specialty Group maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in the medical field. Read on to learn more about our staff's experience and training.


Jana L. McCall, DDS, MS 

Dr. Jana McCall specializes in periodontics. As an undergraduate, she attended Spelman College in Atlanta, GA and earned a Bachelor of Science degree in Biology. After graduation, she went on to get her Doctorate of Dental Surgery from the University of Michigan School of Dentistry where she received the Russell W. Bunting Award in Periodontics. Dr. McCall then went on to pursue her specialty at the University of Southern California School of Dentistry. While there she received the Outstanding Periodontal Graduate Research Award from the California Society of Periodontists and Straumann USA, LLC. 

As a periodontist, Dr. McCall performs scaling and root planning, osseous surgery, gingival augmentation surgery, and periodontal maintenance. She also offers her patients both esthetic and functional crown lengthening and cosmetic periodontal surgery. Finally, she performs dental implant procedures, including tooth extractions and implant site preparation. Dr. McCall is a Diplomate with the American Board of Periodontology, which means she has made significant achievements beyond the mandatory education required by her specialty and is certified by the Board. She is also a member of the Maryland State Dental Association, the American Dental Association, and the Southern Maryland Dental Society.


Nina Mihaychuk, DMD, CAGS Endodontics

Dr. Mihaychuk has been in practice for nearly 30 years. Her emphasis is on endodontic therapy, which consists of the diagnosis and treatment of the root canal system of the teeth. She received her undergraduate degree, a Bachelor of Arts in English Literature from Case Western Reserve University and attended the Davis Scholar Pre-Dental program at Wellesley College. She then went on to earn her Doctor of Dental Medicine degree at the Boston University School of Dental Medicine (where she received two awards, the Endodontic Excellence Award, for providing superior Endodontic care and the Patient Care Award for providing superior, compassionate care to patients). She then attended Boston University School of Dental Medicine, School of Graduate Dentistry for her Endodontic Residency. 

Dr. Mihaychuk has also received advanced training in forms of Complementary/Alternative Healing including a certificate from the Quantum Energetics Institute (an Energy Healing Method), and a certificate in Sensitive Crystallization of the Blood from the Forschungslabor am Goetheanum in Dornach, Switzerland (a Blood research method.) She is also member of the Schilder Institute for the Advancement of Endodontics. 

Dr. Mihaychuk is currently training in TMJ/TMD Fascial Counterstrain Treatment. As an Endodontist, Dr. Mihaychuk diagnoses the causes of pain in the teeth, and has found many patients are suffering from TMJ/TMD disorder. So when she found a significantly effective therapy for it, she decided to train in this method and will soon be able to add it to her range of services offered. 

In her free time, Dr. Mihaychuk loves painting and is currently learning Byzantine Iconography with the Prosopon School of Iconography, as well as Botanical Watercolor painting which grew out of her love of healing plants.


Dr. Tien

A native of Baltimore, Maryland, Dr. Tien, received a B.S. degree in Chemical Engineering from Johns Hopkins University in 1999. He then enriched his interest in Biochemical Engineering Research and received a Master’s Degree in Chemical Engineering from Johns Hopkins University in 2000, before pursuing a career in dentistry.  He received his Doctorate in Dental Surgery from the University of Maryland, Baltimore in 2005, graduating in the top third of his class.

Dr. Tien completed his training in a 6 year Oral and Maxillofacial Surgery Program at New York University Medical Center, which included Bellevue Hospital Center and the VA Manhattan Hospital.  He obtained his Medical Degree from the New York University School of Medicine in 2009 and completed one year of general surgery where he was exposed to the fields of vascular, cardiothoracic, general and plastic surgery, internal medicine and the surgical intensive care unit.  Dr. Tien has received extensive training in anesthesia, dental implantology, bone grafting, dentoalveolar surgery, jaw reconstruction, facial trauma and head and neck pathology.

Dr. Tien also completed a one-year accredited facial cosmetic surgery fellowship at the prestigious Institute of Facial and Cosmetic Surgery in Salt Lake City, Utah.  Dr. Tien performs both traditional oral surgery and facial cosmetics procedures such as botox and filler, blepharoplasty, rhinoplasty, rhytidectomy, facial lesion and scar removal, otoplasty, and brow lift as well as cheek and chin implants.   He currently holds attending privileges at Medstar Washington Hospital Center.  He is board certified in both Oral and Maxillofacial Surgery as well as Facial Cosmetic Surgery and a member of many professional organizations including the D.C. Dental Society.  

Dr. Tien was a college athlete and continues to remain physically active when he is not in the office.  He was married in Aruba and lives with his new wife Luvi and dog Wal-e.  He is also a big Baltimore Ravens fan.