We are pleased to announce that a new agreement has been reached with Aetna. This allows Valley to continue to be an in-network provider for Aetna-insured patients and will cover services provided since previous contracts ended June 1, 2025. We understand how important it is for our patients to retain in-network access to the doctors, programs, and expert care teams they know and trust. Thank you for your patience throughout this process.

Hwi Sean Moon, DDS, MD, MD, DDS
Dental surgery, Oral and Maxillofacial surgery
Affiliated Community Providers

Provider Bio

Hwi Sean Moon, MD, DDS is a board-certified oral and maxillofacial surgeon with fellowship training in pediatric cleft and craniofacial surgery. He believes in patient-centered care and is committed to contemporary and personalized care for patients of all ages. Dr. Moon’s clinical expertise includes orthognathic (corrective jaw) surgery, dentoalveolar surgery (wisdom teeth, extractions, dental implants, and bone grafting), cleft and craniofacial surgery, and facial trauma and reconstructive surgery.

Dr. Moon received his Doctor of Dental Surgery (DDS) from University of the Pacific Arthur A. Dugoni School of Dentistry, where he was inducted into Omicron Kappa Upsilon national dental honors society. He then obtained his Doctor of Medicine (MD) at University of Pennsylvania, Perelman School of Medicine. Dr. Moon completed his oral and maxillofacial surgery training at University of Pennsylvania Health System. Following residency, he pursued a fellowship in pediatric cleft and craniofacial surgery at El Paso Children’s Hospital.

Languages Spoken

English, Korean

Scheduling & Locations

This provider is an affiliate and not a Valley Medical Group practitioner.

Pacific Northwest Oral & Maxillofacial Surgeons

26808 Maple Valley Black Diamond Rd
Maple Valley, WA 98038
Call 425.432.1511 Fax 425.432.1161

Pacific Northwest Oral & Maxillofacial Surgeons

601 S Carr Rd Ste 300
Renton, WA 98055