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Dr. Paul Chang

Oral & Maxillofacial Surgeon


Dr. Paul Chang is a board-certified Oral & Maxillofacial Surgeon dedicated to lifelong learning and providing excellent patient care. He currently serves as the Department Chief and a faculty member at the Madigan Army Medical Center, where he is responsible for training Oral & Maxillofacial Surgery residents in full scope practice.


Dr. Chang began his academic journey at New York University’s College of Dentistry and later relocated to Washington to embark on his military career and complete his residency training in Oral & Maxillofacial Surgery at the Madigan Army Medical Center.


He takes great satisfaction in offering care to our service members and their families, specializing in anesthesia and handling complex dentoalveolar, orthognathic, TMJ, trauma, and facial cosmetic procedures.


Outside of his professional life, Dr. Chang cherishes spending quality time with his wife and children, as well as exploring all the wonders that the Pacific Northwest has to offer.

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Andrew Johnson, DDS



Dr. Andrew Johnson attended the University of Nebraska, Medical Center- College of Dentistry in Lincoln, Nebraska from August 1986 through April of 1990. In August of 1990 he began his specialty training in Endodontics at the University of Illinois in Chicago. He received his Endodontic degree in May 1992.


He is currently the president of the John Smith Study Club for the second year in a row and also attends two other study clubs each month. He has kept his skills up to date by completing many continuing education courses each year throughout his career. He is a member of the American Association of Endodontics, American Dental Association and has applied to the American Board of Endodontics. Dr. Johnson is an Endodontist who enjoys educating his patients as well as treating them.


His most satisfying aspect of the practice is treating and caring for his patients. He likes to put himself in the patient’s position and treat them as he would himself, which is how he conducts all aspects of his practice. Making all patients comfortable, getting them out of pain and creating lifelong relationships is his goal for his practice.


Dr. Johnson is married with three children and two grandchildren, and he enjoys spending time with them. His hobbies include a number of activities, golf and basketball are among his favorites.

luciana safioti seattle periodontist

Luciana Safioti, DDS, MSD



Dr. Luciana Safioti is a Board-certified Periodontist by the American Academy of Periodontology, part-time Clinical Assistant Professor at the University of Washington.


Dr. Safioti  graduated from the University of Sao Paulo in Brazil and earned her Graduate Certificate in Periodontics and Master of Science in Dentistry from the University of Washington. She practiced eight years of general dentistry in Brazil and was a full-time faculty member teaching Periodontics at Nova Southeastern University in Florida for 3.5 years.


Dr. Safioti was awarded with the prestigious Clinical Impact Award for her novel clinical research on peri-implantitis, and with the Educator of the Year Award, both from the American Academy of Periodontology.


Stephanie Yeung, DDS

Prosthodontics & Implant Specialist


Dr. Stephanie Yeung is a distinguished prosthodontist with an impressive academic background. She graduated with a degree in Integrative Biology from the University of California, Berkeley, and earned her Doctor of Dental Surgery and certificates in prosthodontics from the renowned Herman Ostrow School of Dentistry at the University of Southern California.


Dr. Yeung’s contributions to the field of dentistry are globally recognized, with her research and expertise in prosthodontics, implant dentistry, and digital dentistry being featured in high-impact, peer-reviewed publications. As a private practice owner in Los Angeles for nearly a decade, Dr. Yeung established a reputation for providing personalized care that helped transform her patients’ smiles and, in turn, their lives. She has since traded in the beach and palm trees for family life and better coffee in Washington.


Dr. Yeung brings her expertise to 425 Dental. She values the opportunity to get to know her patients, allowing her to provide more individualized care. Her passion for building self-confidence in her patients through smile transformations is evident in her approach to dentistry. Dr. Yeung’s expertise and dedication make her a trusted and valued member of the dental community.

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If you are experiencing pain, especially pain that is growing worse over time, please call our office at (425) 392-4600, option 4, or text (425) 392-4600 for assistance in booking your appointment. We will be happy to assist you in finding a time to visit our office as soon as possible and do anything we can to help.