Meet Our Expert Oral Surgeons
Serving Brooklyn, Flushing, Melville, Jericho, Astoria, Lake Success and Manhattan
Dr. Chavkin, a Plainview, N.Y. native, earned his undergraduate degree in Environmental Studies from The State University of Buffalo before obtaining his Doctorate in Dental Surgery from the School of Dental Medicine at Buffalo in 2000. He completed his residency at SUNY Downstate/ Kings County Hospital in Brooklyn, New York, and joined the practice of Colacicco and Tulman in 2006. This partnership later evolved into All County Oral & Maxillofacial Surgery, featuring state-of-the-art technology and advancements.
Dr. Chavkin is an active member of several professional organizations, including the Suffolk County Dental Society, NYSOMS, and the ADA. He is also dedicated to supporting the local community through initiatives such as The Salvation Army, Laptops For Learning, the Melville Chamber of Commerce, and the New Hyde Park Chamber.
While Dr. Chavkin is experienced in all areas of oral and maxillofacial surgery, he has a special focus on bone augmentation and implantology. “At All County Oral & Maxillofacial Surgery, patient care and comfort are our top priorities. I work with an incredible team to ensure unparalleled care throughout the treatment process. Listening to my patients’ concerns and addressing them with professionalism and compassion is something I take great pride in.”
Meet the Team
Meet the experts who prioritize your comfort and well-being every step of the way.
Get to know the skilled and compassionate oral surgeons of All County Oral & Maxillofacial Surgery. Our experienced team is dedicated to providing exceptional care, utilizing advanced technology to ensure the highest standard of treatment. With locations in Brooklyn, Flushing, Melville, Jericho, Astoria, New Hyde Park, and New York City, our surgeons are committed to serving patients across New York and Long Island with expertise in all aspects of oral surgery, including dental implants, bone augmentation, and more.
-
Dr. Paula Muñoz began her training at Columbia University College of Dental Medicine and went on to complete her oral and maxillofacial surgery residency at Alameda Health System–Highland Hospital in Oakland, California, where she also served as Chief Resident. Her residency provided comprehensive surgical training in trauma management, dentoalveolar and implant surgery, orthognathic surgery, and maxillofacial pathology.Through these experiences, Dr. Muñoz developed a patient-centered approach that emphasizes both technical excellence and compassionate care. She is dedicated to guiding patients through some of their most vulnerable moments with safety, attentiveness, and understanding. Fluent in both English and Spanish, she is committed to connecting with and serving a diverse patient community.
Dr. Muñoz is proud to be part of the All County Oral & Maxillofacial Surgery team, where she values close collaboration with referring providers. Her goal is to ensure patients receive exceptional surgical care while maintaining open communication with their dental and medical teams.
-
Dr. Brendan Gallagher completed his residency in Oral and Maxillofacial Surgery at NYU/Bellevue, where he trained extensively across the full scope of the specialty. His surgical experience includes wisdom teeth removal, dental implantology, trauma management, maxillofacial pathology, and orthognathic surgery.
Beyond the operating room, Dr. Gallagher places a strong emphasis on collaboration and communication. He is dedicated to providing safe, compassionate, and reliable surgical care, while ensuring patients and their referring providers feel supported and well-informed throughout the treatment process.
Dr. Gallagher is proud to join the All County Oral & Maxillofacial Surgery team and looks forward to building strong partnerships with colleagues to deliver the highest quality of care to patients.
Outside of the practice, Dr. Gallagher enjoys mentoring upcoming dentists through social media and podcasting. He is also an avid runner, enjoys exploring new craft beers, and values time spent with friends and family.
-
Dr. Rivera was born and raised in Puerto Rico. She received her Bachelors Of General Science from The University of Puerto Rico, Rio Piedras Campus in 1998. Dr. Rivera then continued her education to receive her DMD from The University of Puerto Rico from the Medical Science Campus which she followed with her O.S. Degree from Rutgers University in Newark, NJ. She has since worked in private practice before joining the All County team. Her post-doctoral training has been extensive in dentoalveolar surgery, bone grafting, implantology, maxillofacial trauma, temporomandibular joint disorders, anesthesia, and oral pathology.
Dr. Rivera is an active member of the following Associations: ADA, NYSDA, NASSAU COUNTY DENTAL SOCIETY, PUERTO RICO DENTAL ASSOCIATION, NYSSOMS & AAOMS.
As a resident of Bellmore, NY, Dr. Rivera can be found exploring her neighborhood with husband and two daughters. She also enjoys Broadway musicals, traveling, Flamenco dancing and her work.
-
Dr. Jason Tan lives in Brooklyn, N.Y. and has recently joined All County Oral & Maxillofacial Surgery bringing his vast knowledge, education and expertise in the field of oral and maxillofacial surgery.
Dr. Tan received his Bachelor of Science with Honors in Immunology from McGill University in Canada. He then furthered his education at McGill obtaining a Masters of Science in Experimental Medicine in 2009. The same year, he went on to receive his Doctor of Dental Medicine and General Practice Residency, completing in 2014 from Jacobi Medical Center in the Bronx, conducted his Dental and Anesthesiology Residency at Jacobi Medical Center, Doctor of Medicine at Albert Einstein College of Medicine, General Surgery Internship at Mt. Sinai West and Mt. Sinai Morningside. He completed his Oral & Maxillofacial Residency at Mount Sinai Medical Center, NY and Jacobi Medical Center in the Bronx.
Dr. Tan is holds a license for NYS Medical, Dental and General Anesthesia Permit. He is a member of several professional societies, including the American Society of Dental Anesthesiologists and American Association of Oral and Maxillofacial Surgeons.
In his free time, Dr. Tan enjoys swimming, golf, racket sports, winter sports, technology and world events.
-
Amanda Andre, DDS was born and raised in Havana, Cuba. She immigrated to the U.S. with her family and has lived in the states of Florida, Texas, and is proud to call New York home. She attended Undergraduate School in CUNY Hunter College where she received a Bachelor of Arts with Honors & German with a concentration in Pre-Dental Science. She found a passion for patient care after working in a medical office in Manhattan. Inspired by the artistic and creative aspects of the field of dentistry, she attended New York University College of Dentistry where she was awarded the Dental Dean’s scholarship for her four years of training. Dr. Andre went on to complete a year in General Practice Dental Residency and then a four-year Oral & Maxillofacial Surgery Residency at The Brooklyn Hospital Center. Dr. Andre focuses on providing a comprehensive and personalized approach to treat each patient.
Dr. Andre is particularly passionate about dentoalveolar surgery, dental implantology, facial trauma, third molar surgery, chemodenervation with botox Injections and complex reconstruction cases. She is also licensed by the State of New York to provide deep sedation and general anesthesia. She values mentorship and has contributed to the field of oral and maxillofacial surgery with numerous articles and book chapters. Her research expertise ranges from current paradigms in complex implant cases including zygomatic implants, the management of temporomandibular joint disorders, pain management after dentoalveolar procedures, and enhanced recovery after surgery.
Outside of work, Dr. Andre enjoys spending time with her husband, traveling the world, exploring different cuisines and exploring NYC with her two dogs - a dynamic pair of a Siberian Husky and a Yorkshire Terrier.
-
Dr. Brar was born and raised in Vancouver, Canada. He completed his undergraduate studies in health science at the University of British Columbia. He then moved to New York to attend NYU College of Dentistry where he was inducted into Omicron Kappa Upsilon, a prestigious honor society awarded to the top students in the graduating class. While in dental school he met his wife who is a pediatric dentist and native of Long Island. Following dental school, he pursued residency in oral and maxillofacial surgery at Boston University. He has gained clinical experiences at Boston Medical Center, Beth Israel Deaconess Medical Center, and the Boston VA Hospital. He has extensive training in all areas of oral and maxillofacial surgery, including implantology, dentoalveolar, trauma surgery, orthognathic surgery, head and neck cancer surgery, reconstructive surgery, and pathology. He has also authored and published many scientific articles in several journals such as the Journal of Oral and Maxillofacial Surgery, Journal of Cancer Education, Journal of Dental Research, Journal of American Dental Association, and Journal of Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology. In his spare time, Dr. Brar enjoys traveling, fitness, and spending time with his family.
Bachelor of Kinesiology in Health Science – University of British Columbia– 2014
Doctor of Dental Surgery – NYU College of Dentistry – 2019
Oral and Maxillofacial Surgery Residency – Boston University and Boston Medical Center (2019 – 2023)
-
Dr. Gregory Cooke earned his Doctor of Dental Surgery degree from the UCLA School of Dentistry in 2019 and went on to complete a six-year oral and maxillofacial surgery residency at Mount Sinai in New York, finishing in 2025. His training provided extensive experience in dentoalveolar surgery, dental implantology, trauma management, maxillofacial pathology, orthognathic surgery, and the management of both benign and malignant conditions.
Dr. Cooke is committed to delivering exceptional patient care with an emphasis on communication, collaboration, and continuity of treatment. He values strong interdisciplinary partnerships and strives to ensure patients receive comprehensive and compassionate surgical care while maintaining open communication with their dental and medical providers.
He is proud to join the All County Oral & Maxillofacial Surgery team and looks forward to serving as a trusted resource for patients and referring providers alike.
-
Dr. Jason Chen completed his residency in Oral and Maxillofacial Surgery at Yale University, where he received comprehensive training across the full scope of the specialty. His surgical experience includes dentoalveolar surgery, dental implantology, trauma management, maxillofacial pathology, and orthognathic procedures.
Dr. Chen is dedicated to providing exceptional surgical care in a compassionate, safe, and patient-centered environment. He values strong collaboration with referring providers and prioritizes clear and timely communication to ensure seamless continuity of care for patients.
He is proud to join the All County Oral & Maxillofacial Surgery team and looks forward to building lasting relationships with colleagues to deliver the highest standard of care for patients.
-
Dr. Nicholas Kim earned his Doctor of Dental Medicine degree from the University of Pennsylvania School of Dental Medicine before completing a six-year residency in Oral and Maxillofacial Surgery at Boston Medical Center, where he also received his Medical Degree. Following his residency, he practiced in a private office near Boston before relocating to New York to join All County Oral & Maxillofacial Surgery.
Dr. Kim is experienced in the full scope of oral and maxillofacial surgery, including dentoalveolar surgery, dental implantology, advanced bone grafting, orthognathic surgery, and temporomandibular joint (TMJ) surgery. He is committed to providing patients with exceptional surgical care while maintaining close collaboration and communication with referring dentists to ensure seamless treatment planning and optimal patient outcomes.
Dr. Kim is proud to be part of the All County Oral & Maxillofacial Surgery team and looks forward to serving as a trusted resource for patients and colleagues alike.