
Dr. Diana Gabriel
Board Certified Pediatric Dentist
Dr. Diana Gabriel is a pediatric dentist at Wantagh Seaford Pediatric Dentistry providing gentle, comprehensive dental care for children in Wantagh, Seaford, and nearby communities. Working alongside Dr. Jeannie Alvarado Astaiza, Dr. Gabriel helps families build healthy, confident smiles from infancy through adolescence.
In 2025, we welcomed Dr. Gabriel to our team. Dr. Gabriel has been serving the community as a pediatric dentist for the past 18 years. A native Long Islander, Dr. Gabriel graduated from Hicksville High School. She went on to NYU for both her undergraduate and dental school studies, where she graduated top of her class and was a member of the prestigious 7-year combined BA/DDS program. Following dental school, she completed a one-year general practice residency at North Shore Manhasset Hospital before going to Jacobi Hospital in the Bronx to do a two-year residency in pediatric dentistry. Dr. Gabriel is a board-certified pediatric dentist who focuses on prevention and developing good dental habits from an early age. Dr. Gabriel tries to keep every visit fun and upbeat to make children of all ages comfortable in the dental setting.
When not in the office, Dr. Gabriel is active in the community. She is married to her high school sweetheart and has two teenage boys. You can usually find her on the football or baseball field watching her boys play, or volunteering for the PTA or Forest City Community Association.
To stay up to date on the latest dental advances, Dr. Gabriel maintains membership with the American Dental Association, NYS Dental Association, Nassau County Dental Association, and the American Academy of Pediatric Dentistry. She is also a Diplomate of the American Board of Pediatric Dentistry.
