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The Exchange Dental Group


Dedicated Staff

Allan Shanin, DDS

Oral Surgeon

Dr. Shanin received his D.D.S. degree from New York University College of Dentistry in Manhattan, New York.  He then went on to complete a one year General Practice Residency at New York Hospital of Queens in Flushing, New York where he gained knowledge and skills in restorative dental and implant dentistry. From there Dr. Shanin went on to earn his certificate in Oral & Maxillofacial surgery from Lincoln Medical and Mental Health Center an affiliate of Weill Cornell Medical College, where he also served as chief resident. While at Lincoln his training consisted of the full scope of Oral & Maxillofacial surgery including Orthognathic surgery, Facial trauma, Dental alveolar surgery, pathology and reconstruction, management of Temporomandibular Joint disorders, Wisdom tooth extraction, Bone grafting and Implant surgery. It is here that he also received his anesthesia and IV sedation training as well.

Dr. Shanin now practices full scope Oral & Maxillofacial surgery with a focus on dental-alveolar, wisdom teeth and implant surgery.  He is recognized by his colleagues and patients for providing a high level of care with a unique sense of compassion.  Dr. Shanin is an active member of the American Association of Oral and Maxillofacial Surgeons, American Dental Association and New York State Dental Association. He currently resides in Long Island with his wife and four children.

Joseph Song, DDS, MMSc

Periodontist and Dental Implant Specialist

Dr. Joseph Song is a board certified periodontist and dental implant specialist. He is also one of the few dentists in the U.S. to be fully certified in LANAP®, a highly effective laser therapy for the treatment of periodontal disease.

Dr. Song graduated from Columbia University College of Dental Medicine in New York. He went on to complete a three year full-time residency in periodontics and implantology at the Harvard University College of Dental Medicine and received a certificate in periodontics and Master of Medical Science in Oral Biology. He strongly believes in continuing education, is an instructor of Euro Dental Implant Company and is actively involved in teaching implant dentistry, nationally and internationally. He specializes in dental implants, gum surgery, as well as wide range of other treatments.

Dr. Song is an active member of the American Dental Association, New York State Dental Association, International Congress of Oral Implantologists, American Academy of Periodontology, and the American Board of Periodontology. While he aims to provide the highest quality of care in a compassionate and comfortable manner, his state of the art office allows a pleasant experience for patient and his warm, easy going manner allows for maximum communication between doctor and patient.

Robert Weeman, DDS


Dr. Robert Weeman received his Doctor of Dental Surgery degree from New York University College of Dentistry and received his certification in orthodontics shortly thereafter. He has been a practicing orthodontist for nearly three decades. During that time, he has taken numerous continuing education courses to ensure he always has knowledge of new, innovative orthodontic procedures.

Dr. Weeman is experienced in treating a wide variety of patients – children, adults, orthagnatic surgery patients, and even other dental professionals.

Among his professional memberships are the American Dental Association, American Association of Orthodontics, American Lingual Orthodontic Association, Northeastern Society of Orthodontics, and the New York Dental Forum.

In his personal time, Dr. Weeman enjoys snowboarding, clay shooting, and sculpting. He is also a car enthusiast, but has a special fondness for Porsches.

Jo Biermann, RDH

Jo is a staple and true veteran of The Exchange Dental Group, having been faithfully employed at the practice since 1984. When she isn’t applying her soothing touch as a dental hygienist, she enjoys spending time with her husband and son, reading, dancing Zumba, traveling and the occasional Harley ride.

Mary Ann Liew, RDH

Mary Ann joined the practice in 2006 and has over 10 years’ experience as a dental hygienist, completing her training at New York City College of Technology. Her hobbies used to include tennis, gardening and swimming, but now her time outside of work is devoted to raising her two adorable daughters with her loving husband.

Raquel Lim, RDH

Raquel joined The Exchange Dental Group in 2011 upon graduating from New York City College of Technology. She is a native of the Philippines and when she isn’t working, she enjoys taking road trips with her husband and two sons, gardening and playing the piano.

Mary Jean Broxmeyer, RDH

Mary Jean starting working at The Exchange Dental Group in 1997 as a dental assistant. During this time, she went to school while working part-time to pursue a career as a dental hygienist at Hostos Community College. She was born and raised in the Philippines and has a 15 year old daughter who is a sophomore in high school and a husband who she’s been happily married to for 19 years.

When she is not working, she enjoy crocheting, hanging out with her daughter, and listening to music.

William Wong, DDS

General Dentist

Dr. William Wong is a native New Yorker who grew up in Manhattan and Brooklyn. After graduating from Brooklyn Technical High School, one of New York City’s elite public high schools, he served in the United States Marine Corps Reserve while pursuing an undergraduate degree at Stony Brook University. After completion of his enlistment and his Bachelors of Science in Biochemistry, he attended dental school at New York University where he practiced at the university faculty practice. He completed a general practice residency program at the Newark Beth Israel Medical Center to further his dental education and expand his clinical skills and knowledge. Dr. Wong is a member of the Academy of General Dentistry, the American Dental Association and the New Jersey Dental Association.

On his off time, Dr. Wong enjoys traveling, biking and wandering the city with his friends and family.

Fiona McDonagh, RDH

Fiona is originally from Dublin, Ireland. She moved to New York in 1994 and received her A.A.S. in Dental Hygiene from Hostos Community College. In addition to being a dedicated and enthusiastic dental professional, she is currently working towards her B.S. in education so she can better serve her community. In her free time, she loves to read, travel and spend time with her husband and three children.

Yoselyn Mateo, RDH

Yoselyn joined The Exchange Dental Group in 2017. After being in the field of Dentistry for 16 years, she decided to further her career by graduating from Bergen Community College for dental hygiene. What she enjoys the most as a Dental Hygienist is educating her patients so they have all the tools to care for their oral health. She also loves providing a fear-free environment where patients have an enjoyable experience. On her free time she is attending Penn College of Technology to further her career even more so she can give back and teach others to have the same passion she has for Dentistry. Yoselyn is happily married with two boys and one girl and recently got a 3 month old puppy she is extremely in love with. She is also an avid lover of romance novels that are packed with angst.