(301) 293-6828
Missy Hygienist
Dr. Daniel McEowen




Kerri Assistant
Kara Assistant




Dr. Chai was born and raised in Silver Spring, MD.  He received his undergraduate degrees in Microbiology and Finance from the University of Maryland, College Park.  He then worked as a Financial Analyst for 3 years at Lockheed Martin before changing careers.  Dr. Chai went on to attend the University of Maryland School of Dentistry and graduated Magna Cum Laude in the top 5% of his class.  He also completed the Implant Clerkship and was selected to be on the Dental School Admissions Committee.

Dr. Chai completed his dental residency with the Baltimore Veterans Affairs Hospital where he learned how to deliver comprehensive dental care to medically complex patients in the hospital setting.  Dr. Chai has received several awards such as the American College of Prosthodontics Achievement Award, Dean's Award for Community Service and was selected to be in the OKU Honor Society.  

He is a man of faith and is passionate about improving the lives of others and making an impact in the community.  As the Community Service Chair of his class, he organized various community service events.  He has volunteered at several Mission of Mercy events where he helped provide free dental care to the underserved population.  His core mission to to make every single patient as comfortable as they can be while providing high quality and ethical dental care.  Dr. Chai is also Invisalign certified.  

In his spare time, Dr. Chai enjoys spending time with his wife (Joy) and friends, and they are expecting their first child in April 2016.  He also enjoys playing tennis and basketball, hiking, traveling, doing yoga and rooting for all Washington D.C. sports teams.  

Our Team

Each of our doctors fulfills all national requirements for continuing education and relicensing qualifications, in order to stay up to date with breakthroughs in dental treatment and technology. 

Our staff strives to exceed your expectations and provide the beautiful smiles our patients deserve in a friendly and compassionate atmosphere.​ Contact our staff directly to schedule your next appointment today.

Dr. Daniel McEowen

Front Desk

Julie Front Desk


Katie Hygienist
Dr. Kevin Chai
Dr. Kevin Chai
Chelsea Assistant


Dr Dan is a proud 1982 graduate of Loma Linda School of Dentistry in Loma Linda California.  

He has been in practice for nearly 33 years and has enjoyed the thousands of patients he has been honored to treat.  Over the years Dr Dan has adopted many new and exciting technologies to make his patients visits more pleasant and less invasive.  

He was one of the first to adopt hard tissue lasers into his practice and went on to do research and write FDA papers for approval of several oral surgery procedures used throughout the world.  He is a founding member of the World Clinical Laser Institute and achieved the highest level of proficiency (Mastership Level) in that organization.  He became a WCLI examiner and has traveled the world administering tests to dentist as far away as Taipei and Dubai. He has lectured on techniques and incorporation of lasers into the dental practice around the world. 

In 2001 Dr Dan introduced 3D Cone Beam Radiography to Maryland, installing the first Cone Beam Xray in the state. He became the clinical director for PreXion 3D a Southern California company and trains and lectures nationally and internationally about the benefits of 3D radiology. 

He has written many articles on CBCT in Clinical journals. Currently he is the director of education for Champions Dental Implants in North and South America. Champions uses a Minimally Invasive Technique for the placement of implants and was founded in Germany 8 years ago and has experienced rapid growth over the years.

Most recently, Dr Dan has studied and is incorporating Dental Sleep Medicine into the practice.  Sleep Apnea is one of the fasted growing and most under diagnosed problems facing Americans.  He is happy to bring this to the Middletown area.

For those of you who wish you had the perfect smile, Dr Dan is also a certified Invisalign provider, he has been involved with orthodontics for over 23 years and will change your smile to the one you always wanted.

Middletown Valley Dentistry