Dental Associates of Corona

Dental Associates of Corona

1380 El Sobrante
Corona, CA 92879

(951) 273-9580
[email protected]

We’re Here to Help You Smile

We believe in offering all patients a comprehensive approach to dental care, protecting smiles with preventive dentistry, and improving the beauty of their smiles with cosmetic and restorative care.

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Office Hours

Monday 8:00AM – 6:00PM
Tuesday 8:00AM – 6:00PM
Wednesday 8:00AM – 6:00PM
Thursday 8:00AM – 6:00PM
Friday 8:00AM – 4:00PM

Your Dental Insurance

Our practice accepts most dental insurance plans. We will file your insurance claim for you as a courtesy and will answer any questions you may have. However, we recommend that you call your insurance provider for specific answers to questions regarding coverage.

Payment and Financing Solutions

We accept cash, check, and most major credit cards. Our practice also offers financing solutions to take the stress out of making payments for your dental care. You may choose from CareCredit, a third-party financing program that offers low monthly payments and extended repayment periods.

Meet Our Team

Ameet Chopra, DDS – Oral Surgeon
Ameet Chopra, DDS – Oral Surgeon
Ameet Chopra, DDS – Oral Surgeon

Ameet Chopra, DDS – Oral Surgeon

Dr. Chopra graduated from the University of the Pacific Arthur A. Dugoni School of Dentistry in 2005. He then completed his studies at the UCLA-Harbor OMS in 2010. He joined our team as an oral surgeon in 2016. He loves the challenges that oral surgery presents, as well as the ability to meet different people from all walks of life. Outside of the office, Dr. Chopra enjoys sports.

Favorite Quote: “You can do it!”

Chad Hawkins, DDS – Orthodontist
Chad Hawkins, DDS – Orthodontist
Chad Hawkins, DDS – Orthodontist

Chad Hawkins, DDS – Orthodontist

Dr. Hawkins was born and raised in Southern California. He received his Bachelor of Science degree from Brigham Young University before attending the University of Southern California School of Dentistry, where he obtained his Doctor of Dental Surgery degree.

After serving in the Army for three years as a dentist, Dr. Hawkins returned to school at NOVA Southeastern University, where he received his Orthodontic certification. He is a member of the American Association of Orthodontists and a Diplomate of the American Board of Orthodontics. Dr. Hawkins is married with five kids. In his free time, he enjoys spending time with his family, motorcycle riding, cycling, car racing and surfing.

Llewellyne Timple, DDS – Pediatric Dentist
Llewellyne Timple, DDS – Pediatric Dentist
Llewellyne Timple, DDS – Pediatric Dentist

Llewellyne Timple, DDS – Pediatric Dentist

Dr. Timple earned a DDS from Loma Linda School of Dentistry, a BS in Medical Technology from Loma Linda University, and a certificate in Pediatric Dentistry from Boston University. She joined the practice in 2006, practicing dentistry with the philosophy of “serve others.” She loves the honesty, innocence, and sense of humor of her patients. Dr. Timple belongs to the following organizations:

  • American Dental Association
  • Cosmetic Dental Association
  • American Academy of Pediatric Dentistry
  • Tri-County Dental Society

Away from work, she enjoys spending time with her two children, and is a cooking enthusiast.

Mark Fehn, DDS – General Dentist/Clinical Director
Mark Fehn, DDS – General Dentist/Clinical Director
Mark Fehn, DDS – General Dentist/Clinical Director

Mark Fehn, DDS – General Dentist/Clinical Director

Dr. Fehn graduated from Loyola Marymount University in 1987 and from Loma Linda University School of Dentistry in 1991 with his DDS. In 1993 Dr. Fehn joined Dental Associates of Corona when there were only 4 patient rooms. Over the past 20 years he has built and led the office to its current position as one of Corona’s largest and most successful dental offices. Dr. Fehn continues to expand his knowledge and training by taking courses in Dental Implants, Full mouth Reconstruction and Neuromuscular Therapy, Invisalign, and Endodontics. He has also lectured for Wake Forest University for their “Best in Practices” conference.

What Dr Fehn loves most about his patients is he is able to cultivate friendly, personal and individual relationships. He strongly believes in treating all patients as if they were family. Patients love Dr. Fehn’s honesty, integrity, friendly positive and upbeat attitude.

Away from work, Dr. Fehn supports local organizations like St. Mary Magdalene Catholic Church and Crossroads Christian School. He also supports his local AYSO, Boys Scouts of America and Girl Scouts of America. Dr Fehn enjoys spending time with his wife and two children. They like to travel, outdoor activities and skiing.

Dr. JD Bilbao – General Dentist
Dr. JD Bilbao – General Dentist
Dr. JD Bilbao – General Dentist

Dr. JD Bilbao – General Dentist

Dr. J.D. Bilbao graduated from La Sierra University for his undergraduate degree. In 2007, he received his Doctor of Dental Surgery Degree from Loma Linda University School of Dentistry. In March 2021, he proudly joined Dental Associates of Corona. He truly enjoys working as a dentist and his passion comes from the gratification of building relationships with his patients, learning about what matters to them, and creating a positive impact on their dental health. He enjoys giving back to local and international communities, completing mission trips to Mexico, Nicaragua, and the Philippines.

Dr. Bilbao is a member of the American Dental Association and the California Dental Association. In addition to completing various CE in different aspects of Dentistry on an ongoing basis, he has completed a mini-residency certification on Airway and TMJ Disorders.

In his free time, he enjoys spending time with his wife and four daughters, including trips to Disneyland, snowboarding and skiing, watching movies, and visiting new places. He loves to play sports, especially basketball.

Favorite Quote: “No matter how dark the beginning, one who strives can reach the sun.”


Arlene Ahumuda – Manager
Arlene Ahumuda – Manager
Arlene Ahumuda – Manager

Arlene Ahumuda – Manager

Arlene joined our team in 2014 and has worked in the dental field for 16 years. Her passion for dentistry has led her to work in general dentistry, oral surgery, orthodontics, and endodontics, just to name a few. In her experience, she believes good customer service is priority. Arlene was recently awarded a “Good Samaritan” commendation by the City of Corona for saving a citizen’s life! Outside of work, she enjoys socializing and spending time her family. Arlene, her husband, and her daughter are all softball fanatics.

Favorite Quote: “Be the energy you want to attract!”

Glenice Airada – Registered Dental Hygienist
Glenice Airada – Registered Dental Hygienist
Glenice Airada – Registered Dental Hygienist

Glenice Airada – Registered Dental Hygienist

Glenice joined our team in 2018 and earned her Associate of Applied Science in Dental Hygiene from Concorde Career College. She has completed special certifications in laser dentistry and working with patients with autism. Our patients appreciate her gentle touch, and Glenice appreciates the individual uniqueness of her patients, who manage to teach her something new every day. She is a board member of the nonprofit SmileOnU. Glenice is married to her husband Fernando, and she has two step-children, Jordan and Tessa. She has a dog named Pepe and when not in the office, enjoys spending time with her family, vacationing, baking, and being active.

Favorite Quote: “Life is short. Smile while you still have teeth!”

Janet Reid – Registered Dental Hygienist
Janet Reid – Registered Dental Hygienist
Janet Reid – Registered Dental Hygienist

Janet Reid – Registered Dental Hygienist

Janet completed her education at Wichita State University and holds a certificate in nutrition. She joined our practice in 2008 and belongs to ADHA. Janet loves the wisdom and kindness of her patients. Away from work, she enjoys spending time with her husband and their daughter. Her favorite quote by Gerald J. Simmons is: “We don’t live in a world of reality. We live in a world of perceptions.”

Reina Wong – Registered Dental Hygienist
Reina Wong – Registered Dental Hygienist
Reina Wong – Registered Dental Hygienist

Reina Wong – Registered Dental Hygienist

Reina graduated with a Bachelor of Science in Bioengineering from U.C. Berkeley. After working for a few years, she realized that she wanted to switch careers and join the healthcare field to help others. She earned an Associate of Science in Dental Hygiene from Riverside Community College in 2009. She has been a Tri-County Dental Hygienists Society board member since she graduated and a California Dental Hygienists Association council chair. She enjoys her patients’ company and foodie recommendations! When not in the office, Reina loves traveling with her husband and their two daughters and son, while their cat stays home and sleeps all day. Disneyland is her second home!

Judy Montoya – Registered Dental Assistant and Practice Manager
Judy Montoya – Registered Dental Assistant and Practice Manager
Judy Montoya – Registered Dental Assistant and Practice Manager

Judy Montoya – Registered Dental Assistant and Practice Manager

Judy joined our practice in 2002. She graduated from Moreno Valley High School and attended Riverside Community College and Bryman College. She has earned special certifications in dental assisting, CPR, and X-rays. Our patients love that Judy is caring, compassionate, and willing to go above and beyond for them. Judy enjoys interacting with our patients and helping them achieve healthier smiles, she views them as longtime friends. When not in the office, Judy enjoys running and spending time with her husband and their two beautiful children, Ezra and Elijah. She has two Siberian Huskies, Rymie and Styker, and a Yorkie named Chewie.

Favorite Quote: “The best and most beautiful thing in the world cannot be seen or even touched—they must be felt with the heart.” -Helen Keller

Kay Beach – Registered Dental Hygienist
Kay Beach – Registered Dental Hygienist
Kay Beach – Registered Dental Hygienist

Kay Beach – Registered Dental Hygienist

Kay joined our practice in 1979 after earning her BS from Idaho State University and has completed continuing education in soft tissue management and nutrition. Patients love that she treats the entire patient, not just the mouth, while focusing on offering comprehensive health education. Kay loves that her patients’ trust her with health information. She is a member of the ADHA, CDHA, Tri County DHA, and participates in charity work including the Multiple Sclerosis Society and Mission Inn Foundation. Away from work, she enjoys spending time with her husband and two adult children. Kay also likes hiking, yoga, and SoCal history.

Mary Jane Acosta-Villamin – Registered Dental Hygienist
Mary Jane Acosta-Villamin – Registered Dental Hygienist
Mary Jane Acosta-Villamin – Registered Dental Hygienist

Mary Jane Acosta-Villamin – Registered Dental Hygienist

Mary Jane received her BS Life Sciences degree from McMaster University (Canada) and completed the Dental Hygiene Program at George Brown College (Canada). She has also completed continuing education in soft tissue management, pharmacology, and disease control. Having joined the practice in 2003, patients have come to love her bubbly personality. Mary Jane enjoys hearing stories about her patients’ life experiences. She is a member of the ADHA and CDHA. Away from work, Mary Jane enjoys spending time with her husband and their two sons, as well as spending time exploring nature and restaurant hopping.

Tiofila Villela – Orthodontics Manager
Tiofila Villela – Orthodontics Manager
Tiofila Villela – Orthodontics Manager

Tiofila Villela – Orthodontics Manager

Tiofila has been working with our team since 2003. She graduated from Concorde Career College in 2001 with a degree in Dental Assisting. Tiofila has also earned certifications in CPR. She loves the chance to help patients achieve a great smile, and enjoys watching them grow with us and gain new smiles following treatment. When not in the office, Tiofila enjoys camping, discovering new places, and hanging out with her two kids.

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