Dr. Greg R. Diamond


Dr. Greg R. Diamond is a New York-based private dentist specializing in the field of periodontics and oral implantology. He received an undergraduate dual degree from the University of Maryland in biology and chemistry, followed by a dental degree from Howard University in Washington D.C. After a one-year general practice residency at Mt. Sinai Hospital in New York City, he attended Tufts University School of Dental Medicine, where he received his postgraduate degree in periodontics.

Dr. Diamond was a clinical associate professor in both the undergraduate and postgraduate department of periodontics at the New York School of Dental Medicine as well as an attending dentist at Mt. Sinai. In addition, he has published numerous abstracts in the Journal of Periodontics, has lectured both locally and nationally for various dental organizations, and has made numerous television appearances.

With more than 30 years of experience, Dr. Diamond‘s achievements are vast. He was a board member for Busch and Lomb, helped create the interprobe, and previously was a director of the New York Dental Forum. Dr. Diamond continues to offer comprehensive, multidisciplinary care and the latest innovations in the field of periodontics and oral implantology.


Dr. Dianna Malkin, D.D.S.

Dr. Dianna Malkin, D.D.S., M.Sc. (Perio) F.R.C.D.(C) received her dental degree at Western University (UWO) after studying Chemistry at York University. After practicing as a general dentist for several years, she pursued her specialty training in Periodontics and Implant Surgery. She received her Master’s in Periodontology at the University of Toronto. Her master’s research focused on diabetic healing of bone tissue.

Dr. Malkin is a Canadian board-certified periodontist. Her scope of practice includes treatment of periodontal diseases, soft tissue grafting and regeneration of periodontal tissues. She also performs a wide range of implant dentistry procedures such as dental implant placement, ridge preservation and bone grafting surgeries including ridge augmentation and sinus grafting. She is a clinical instructor at the University of Toronto in Undergraduate Dentistry. Dr. Malkin is a Fellow at the Royal College of Dentists of Canada. She is a member of the Ontario Dental Association, the Canadian Dental Association, the Alpha Omega Dentistry Organization and was a past president of the student chapter branch at Western University. As an advocate for improving patient education and access to dental care, she was on the Executive Committee for Oral Health, Total Health London, an organization devoted to promoting access to care for special needs patients. She was also an active participant in the Dental Outreach Community Service program in London.

Dr. Malkin speaks three languages and loves travelling. She enjoys hiking, painting and yoga. Dr. Malkin treats her patients with great care and respect. She wants all her patients to leave their dental appointments with a beautiful, healthy smile and a happy heart.


Meet Our Team

Our dental practice takes great pride and joy in delivering quality dentistry to our patients. With a highly experienced team, our periodontists can provide you the best possible treatment to restore and transform your smile. Our team is always available to assist you with any questions or concerns you may have about your smile. We welcome you to contact NY Implant Dentistry today at 212-213-9333 to learn more about our dental care in New York, New York. Dr. Greg R. Diamond and Dr. Dianna Malkin look forward to meeting with you and getting you started on your oral health journey!



Registered Dental Hygienist

Grainne was born and raised in Ireland. After college, she moved to New York in 1990. Grainne completed her dental hygiene degree at Hostos Community college. She has been in clinical practice for over 20 years and has been with Dr. Diamond for the majority of that time. Grainne is married and lives in Sunnyside Queens. Outside of the dental world, she enjoys cooking, travelling and exercising. Grainne loves the clinical aspect of dental hygiene and is totally committed to keeping your gums healthy!



Registered Dental Hygienist

Linda joined NY Implant Dentistry in 2006. She earned her degree in dental hygiene at New York University College of Dentistry in 2003 and received an award from the Sigma Phi Alpha Honor Society for being top of her class. She has devoted her time to building strong relationships with her patients and supporting the practice’s commitment to embracing new technology and methodology to improve patients’ oral health. She likes incorporating her extensive knowledge in periodontal therapy to help her patients overcome a wide range of issues, including periodontal disease. She believes in the mouth-body connection and strives to provide long-term education on prevention, not only to help eliminate gum disease but also understand how to prevent the condition from recurring. She is laser certified and a member of the New York Society of Forensic Dentistry. She enjoys traveling, spending time with her family, running, reading a good book and catching up with good friends during her free time. She is a huge fan on the Yankees, which makes her a true New Yorker.