Meet our Doctors & Dental Hygienist

Meet James M. Park, DDS | Dentist in Chino Hills, CA

Portrait of Dr. James Park


  • Loma Linda University Dental School, 2009
  • New York University College of Dentistry, 2004
  • University of California Los Angeles, 1998
  • Fullerton College, 1995

Meet James Sunwoo, DDS, MD | Board Certified Oral & Maxillary Surgeon

Magazine portrait of Dr. James Sunwoo

Dr. James Sunwoo, MD, DDS, is an oral and facial surgeon dedicated to providing comprehensive care in the head and neck region. His areas of expertise encompass traditional oral and maxillofacial surgery, orthognathic surgery, and cosmetic surgery.

He obtained his undergraduate education at the University of Chicago. He received dual degrees in medicine and dentistry, from the University of Southern California and Columbia University, respectively. His postgraduate training, including an internship and residency, in general surgery and maxillofacial surgery, was completed at the University of Southern California. In addition, he is dual-fellowship trained in maxillofacial orthognathic surgery and general cosmetic surgery.

He has received numerous honors and awards, and remains active in clinical, academic, and research activities. His extensive training and background afford him the ability to offer the highest standard of care to his patients.

Meet Preeti Sandhu, DDS | Board Eligible Endodontist

Portrait of Dr. Preeti Sandhu


Dr. Preeti Sandhu grew up in Fairfax, VA, and earned her BS in Biology and BA in Religious Studies at Virginia Commonwealth University (VCU) in Richmond, VA. She then went on to obtain her DDS degree from VCU School of Dentistry. Afterward, she decided to pursue advanced training in general dentistry along with the management of medically compromised patients through a residency at the University of California Los Angeles Venice Dental Center. During her dental education, Dr. Sandhu developed an interest in caring especially for patients in acute dental pain. This led her to pursue further education in Endodontics at the University of Texas Health Science Center – San Antonio. As a resident, she spearheaded a 3-D printing process in guided endodontic surgeries and also developed a novel mobile phone application and implemented it into clinical practice as part of her research. Patient comfort is Dr. Sandhu’s primary concern and she prioritizes keeping her procedures as pain-free as possible. When not treating patients, Dr. Sandhu enjoys hiking and being outdoors with her husband.

Portrait of Ms. Savannah Juarez our registered dental hygienist

Meet Ms. Savannah Juarez, RDA, RDH | Registered Dental Hygienist

Dr. James Park and his staff are proud to provide humble and kind dental care for the residents of the Chino, Chino Hills, Pomona, Ontario, and the surrounding areas.

The Best Dental Care in Chino Hills

Our doctors provide a wide range of dental care for all age groups. Call us with any questions or to make an appointment.

909-464-2682 Request an Appointment Map & Driving Directions

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Call Peyton Dental & Specialties Phone Number Peyton Dental & Specialties Phone Number 909-464-2682 with any questions or to schedule your appointment.