Meet the Team

Discover the care behind the exceptional team at Peninsula Center of Cosmetic Dentistry.

Dr. Joseph Field

Dr. Joseph Field is a native of the Bay Area. He loves all it’s beauty and diversity and is delighted that his career path has brought him home to the peninsula. Dr. Field is a respected leader in the field of cosmetic and implant dentistry. He is a caring provider unafraid to tackle extreme smile makeovers, and capable of compassionately guiding anxious patients to a smile that changes their lives. Care is the cornerstone of Dr. Field’s vision and practice. He is dedicated to providing the highest quality care that focuses on the patient experience, meticulously and individually designed for each patient.

Dr. Field’s dental education and experience are both vast and specialized, spanning two dedicated decades. He earned a B.S. in Physiology from Brigham Young University. His first exposure to dentistry came while on a service mission to Colombia where he observed the work of Operation Smile dentists. There he saw lives changed for the better and he came home intent on helping to do the same.

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Dr. Ratna Indah

Dr. Ratna Indah, graduated from Tufts University School of Dental Medicine with honors; she was an intern at The Gelb TMJ Center and a tutor during her dental school years. She has attained Fellowship Status with the Academy of General Dentistry; to earn Fellowship in the AGD, dentists must take more than 500 hours of education courses in various disciplines. Candidates must also pass a rigorous exam before the award is then presented in a formal ceremony. Ratna Indah, Safe Mercury Amalgam Removal Technique, FAGD is one of only 6 percent of general dentists who have achieved this honor. To learn more about this award or the AGD, visit www.agd.org.

Dr. Katerina Kostagianni

She is a highly experienced Prosthodontist with focus on Implant Dentistry and Cosmetic Rehabilitation. Her passion lies in creating beautiful smiles by analyzing every individual’s unique characteristics’ and providing personalized recommendation based on their specific needs and desires.

Being in the heart of Silicone Valley, not only has she embraced the advancements in digital dental technologies but she has been a pioneer on that field by working closely with renown master ceramists. From facially generated Digital Smile Design and full mouth rehabilitation to digitally guided implant placement and “teeth in a day concept”, her commitment is to pursue excellence through innovation by prioritizing her patients’ well-being.

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Dr. Scott Oh

Dr. Scott Oh is a compassionate provider whose practice philosophy merges art with medicine to craft healthy, radiant smiles that inspire confidence and promote oral health for his patients. Through thoughtful comprehensive treatment planning and utilization of the finest materials, Dr. Oh and his team of Master Ceramists work hand in hand to create beautiful, healthy smiles tailor made for each patient to achieve natural aesthetic facial harmony.

With his welcoming smile and friendly demeanor, Dr. Oh takes great care to foster genuine human connections with his patients and strives to establish an environment that puts their anxieties at ease. He understands each patient is unique and places the utmost importance in providing a personalized dentistry experience. In addition to taking great pride in his clinical abilities, Dr. Oh finds joy and fulfillment in the friendships he forms with his patients along the way.

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Dr. Duc Pham

A bay area native, Dr. Duc Pham grew up in San Jose, CA. Dr. Pham chose to stay local and attended San Jose State University where he earned his B.S. in Biochemistry with a minor in Biology. Furthering his education, he obtained his Doctor of Dental Surgery at the prestigious University of the Pacific in San Francisco, CA. Dr. Pham then continued his dental career in the United States Navy, where he received advanced clinical training including: digital Cerec® CADCAM dentistry, periodontics, oral surgery and endodontics. Being a big proponent on family & friends and his love for California, he decided to finish his service in the Navy and return to the city where he grew up.

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Dr. Marlana Shile

Dr. Marlana Shile is an outstanding and caring clinician who specializes in aesthetic dentistry, oral sedation, CAD/CAM Cerec® restorative dentistry, and Invisalign® orthodontics for our patients.

Born and raised in the Bay Area, she graduated from Stanford University majoring in Human Biology. Her degree in dentistry from the prestigious University of the Pacific School of Dentistry in San Francisco was earned with Honors. Dr. Shile did her post-doctoral General Practice Residency at the VA Palo Alto and Stanford Hospitals where she gained advanced dental training in prosthodontics and surgery. Dr. Shile is an active member of the California Dental Association and is the current President-Elect of the Mid-Peninsula Dental Society.

Dr. Marlana Shile is a member of the following associations:

  • American Academy of Cosmetic Dentistry
  • American Academy of Facial Aesthetics
  • American and California Dental Association
  • Mid-Peninsula Dental Society
  • Academy of General Dentistry

Dr. Karl Supal

Dr. Karl Supal practices all aspects of General Dentistry with a caring and patient centered approach. Dr. Karl truly cares about his patients and their best interest will always come first.

Dr. Supal grew up in Detroit, Michigan and is a graduate of the internationally, distinguished University of Michigan School of Dentistry. Dr. Karl is a perfectionist who focuses on providing predictable results for his patients by practicing evidence-based dentistry.

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Dr. Theresa Ta

Although born in Des Moines, Iowa, Dr. Theresa Ta spent most of her upbringing in San Jose, California. As a true local, she attended San Jose State University, where she graduated at the top of her class with a Bachelor of Science in Molecular Biology. Dr. Ta continued her educational journey at the prestigious UCLA School of Dentistry, where she obtained her Doctor of Dental Surgery (DDS) degree.

After completing her dental degree, Dr. Ta pursued advanced training in cosmetic dentistry through various courses and seminars. She is an active member of the American Academy of Cosmetic Dentistry (AACD) and is dedicated to staying current with the latest advancements in dental aesthetics.

Dr. John Van

Dr. John Van is a respected leader in the field of cosmetic and implant dentistry, with almost two decades of experience demonstrating his commitment to excellence. Known for his advanced skills in IV sedation, aesthetic treatments, and implant procedures, Dr. Van ensures each patient receives exceptional care tailored to their needs in a comfortable and relaxed environment. His expertise includes smile makeovers, implant reconstruction, full mouth reconstruction, Invisalign, and Zoom! whitening.

A Bay Area native, Dr. Van has deep roots in the local community. He earned a full academic scholarship to UCLA, where he completed his B.S. in Psychobiology, and furthered his dental education at the University of the Pacific, Arthur A. Dugoni School of Dentistry in San Francisco.

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