Meet the Team
Constant C. Crohin, DMD, MMSc.
Periodontist (Gum Specialist)
Dr. Crohin received his undergraduate degree from the University of Southern California in Molecular Biology and then matriculated to Harvard School of Dental Medicine, where he graduated Magna Cum Laude with a Doctorate of Dental Medicine (DMD), and a Masters of Medical Sciences (MMSc.) degree. He then decided to continue at Harvard, pursuing further studies in the specialty of periodontics.
Dr. Crohin works part-time at Dr. Birnbaum’s office. He provides various non-surgical and surgical approaches to treating gum disease, as well as implant placements, bone and gum graft replacements. He is a strong advocate of improving patients’ oral health and actively educates in areas such as proper oral hygiene and smoking cessation. He teaches periodontology and dental implant placement as a part-time clinical faculty member at Harvard University. He is an active member of several professional organizations including the American Academy of Periodontology and the Harvard Odontological Society.
Dina Goldman
Dental Hygienist
Dina Goldman is a dedicated dental hygienist who immigrated from Latvia and has been serving patients with care and expertise for over 20 years. A proud graduate of Mount Ida College, Dina is known for her gentle touch and empathetic approach, which have earned her the trust and gratitude of countless patients. Her professional expertise is matched by her genuine desire to make a positive impact on people’s lives. Outside of work, Dina enjoys traveling and exploring new cultures, enriching her life and broadening her perspective.
Idaliz “Yayi” Serrano
Office Manager
Yayi Serrano brings a sharp intellect, charm and smiling face to the front desk and administrative operations of our office. As a licensed dental assistant, Yayi's role in our office began working chairside with Dr Birnbaum for several years. As her keen mind continued to explore, absorb and master new information, her role expanded to include front desk tasks, evolving into her current role as Office manager, where she synthesizes the clinical and administrative operations with caring, sensitivity and unparalleled accuracy.
Yayi, who grew up in Boston, is bilingual, fluent in Spanish, as well as English. Yayi has taken our pride and commitment as a family operation to new and greater heights.
Gabriela Calzado
Dental Assistant
A native of Boston, Gaby Calzado's majored in Psychology at the University of Massachusetts. Her interest in and caring for people coupled with her can-do mechanical abilities to bring smiles and competence chairside for each patient visit.
Gaby enjoys the great outdoors and physical activity, especially when joined by her husband and vivacious two young boys, as well as her close-knit extended family. Fluent in Spanish, as well as English, Gaby is a people person who thoroughly enjoys being actively involved with her many friends and community.