About Us

It is our mission here at Park Lake Dental Practice to be a provider of exceptional dental care and patient education delivered through a caring, committed, and professional dental team. Our goal is to have a shared vision with our patients in realizing a lifetime of healthy SMILE.
As your dentist, you can rest assured that you will receive the personalized attention you deserve.  I will listen to your needs and answer all your questions.  Plus, you’ll receive a complete and thorough exam, including oral cancer and gum disease exams, at no additonal charge.  You’ll enjoy being treated with the most advanced techniques, the latest materials available and a soft touch.

Dr. Maria Lourdes Carpio-Rigo
Dr. Maria Lourdes Carpio-Rigo is the founder and owner of Park Lake Dental. She received her degree of Doctor of Medical Dentistry from the University of the East, a leading center in dental education. She worked as an associate at Broadmoor Dental for a number of years before establishing her own practice in 1994 where her philosophy of exceptional patient care came to life. Her vision is to transform any challenge into a smile to last a lifetime. Dr Carpio-Rigo sports more than 2 decades of experience. She is married to her husband of 24 years, Ed and they have been blessed with two children, Paolo and Angela. She leads with example. As a purveyor of health, she is an avid marathon runner. As an explorer, she continues to discover the depths of the ocean with her family of certified scuba divers.

Dr. Joyce Chi
Dr. JoyceDr. Joyce Chi is a proud graduate of the UCSF School of Dentistry, one of the world’s top dental institutions. She is driven by her passion to improve smiles! Dr. Joyce Chi prides herself on her unique brand of work ethic: tailored treatment options that achieve not a more beautiful, radiant smile, but more importantly a smile that is healthy and lasts a life time. A North Oakland native, she and her husband operate a small business. With no kids on the radar, she enjoys her time cooking, wine tasting, exploring restaurants, and weight lifting!


  • American Dental Association
  • California Dental Association
  • Contra Costa County Dental Society
  • Hercules Lions Club
  • Hercules Chamber of Commerce