Our Doctors

Meet the experienced and compassionate dental professionals at San Anselmo Family Dentistry.

Two dental professionals, one masked, meticulously work with a high-tech Drufomat scan machine, demonstrating advanced dental technology.
Dr. Anthony Costella, a friendly male dentist with a beard, smiles confidently with arms crossed, wearing black scrubs with the San Anselmo Family Dentistry logo.

Dr. Anthony Costella

Dr. Costella earned his degrees from UC Berkeley and the University of the Pacific's Arthur A. Dugoni School of Dentistry in San Francisco. He has maintained a dental practice in Marin County for more than thirty years and has maintained a passion for dentistry since childhood.

Language skills include fluency in Italian and moderate proficiency in Spanish. Professional memberships include the American Dental Association, California Dental Association, and the Marin County Dental Society, where he previously served as president.

Dr. Rosemarie Goldstein in black blazer with San Anselmo Family Dentistry name tag, arms crossed, smiling gently at the camera.

Dr. Rosemarie Goldstein

Dr. Goldstein completed her dental education at the University of the Pacific's Arthur A. Dugoni School of Dentistry in San Francisco. She holds a Health Science degree from Kaplan University and attended Dominican University and College of Marin.

Her practice focuses on family dentistry with emphasis on preventive care for children and patients with disabilities. She is fluent in Spanish and maintains memberships in the American Dental Association, California Dental Association, American Association of Pediatric Dentistry, American Laser Academy, and the Marin County Dental Society.

Dr. Goldstein serves on the dental staff at PDI surgery center for pediatric dental rehabilitation under general anesthesia. She has served as president of the Marin County Dental Society and currently holds the position of director at large.

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