Meet our Doctors

Dr. Derr and Dr. Ashmore

At Westfield Dental, we understand that talented and skilled dentists are at the heart of exceptional dental care. That's why our Houston dental office is proud to have two skilled and experienced dentists available to meet your family's extensive dental requirements. Dr. Jason Derr and Dr. David Ashmore will work to accurately gauge the condition of your oral health and only recommend the services you need to achieve a lasting healthy smile. Above all else, both of our dentists have excellent chairside manner and will help you feel comfortable and relaxed during your appointment.

Keep reading below to learn more about our talented dentists!

Dr. David Ashmore

• Bachelor of Science degree in chemistry from Houston Baptist University. (1978-1981)

• Attended University of Texas Dental Branch at Houston for his DDS (1981-1985)

• Practiced general dentistry downtown at 2025 Fairview in Houston from 1985-1990.

• Became owner of Westfield Dental Center in 1990

• Professional affiliations: American Dental Association, Texas Dental Association, Greater Houston Dental Society

• Resides in Spring, Texas

• Family includes:  son:Matt, daughter:Katie  

• Enjoys hunting, fishing and spending time at the lake.



Dr. Jason Derr

• Attended the University of Texas at Austin for Bachelor of Arts in Biology (1990-1994) •Attended the University of Texas Dental Branch for DDS (1994 - 1998)

• Practiced dentistry at Westfield Dental since 1998

• Became a partner with David Ashmore in August 2005

• Professional affiliations: American Dental Association, Texas Dental Association, Greater Houston Dental Society, Academy of General Practice Orthodontists

• Enjoys hunting, fishing, travel and outdoor activities

• Resides in Kingwood, Texas with his wife, Paige, sons Tyler, Jacob, Luke and daughter Addison