Dr. Nathan Hartman, DDS Dr. Vasquez, DDS 31 Winfield Plaza Winfield, MO 63389

Meet Our Friendly Dentist

Meet Dr. Nathan Hartman

Dr. Nathan Hartman is a Missouri native and grew up in Hermann, MO where he still owns and operates an active dental practice. He earned his undergraduate degree from the University of Missouri, and still enjoys taking in a Tigers football game when he can. He then attended the University of Missouri-Kansas City School of Dentistry and graduated with his Doctor of Dental Surgery degree in 2008.

Every year, Dr. Hartman spends countless hours attending ongoing dental education courses. This allows him to remain on the leading edge of the latest dental technologies and techniques, and to provide his patients with the highest quality care possible. Professionally, he is passionate about bringing advanced dental technology and treatment to more rural and underserved areas. Dr. Hartman is an active member of many dental organizations, including the:

  • American Dental Association
  • Missouri Dental Association
  • Advanced Education in General Dentistry
  • Greater St. Louis Dental Society
  • Dawson Academy
  • Spear Educational Institute

Dr. Hartman resides in Lake St. Louis with his wife, Alana, and their five children. When he’s not in the office, he enjoys spending time outdoors and loves to fly fish.

Plan Your Visit

Meet Dr. Diane Vasquez

Dr. Diane Vasquez received her Bachelors of Science in Biology degree from University of California, Los Angeles and continued her education at UCLA where she received her Doctor of Dental Surgery degree. She then completed her Advanced Education General Dentistry residency in Hawaii through the NYU Lutheran Dental Medicine program and is currently a member of the American Dental Association.

When Dr. Vasquez is not practicing dentistry, she enjoys traveling and watching sporting events. Dr. Vasquez is bilingual in English and Spanish and her inspiration to become a dentist was led by her willingness to help under-served communities.

Meet Our Team

Drew, Office Manager

As a young girl, Drew enjoyed visiting the dentist and always knew she would one day work in the dental field. She strives for consistently excellent customer service and works hard to make your visit to our dental office enjoyable. Drew resides in Oakville with her husband and two daughters. During her spare time, she loves to hang out with her family and friends, attend her daughter’s softball games, and read.

Tracy, Dental Hygienist

Tracy has been working with Dr. Hartman since May 2015. She graduated with her degree in dental hygiene from St. Louis Community College–Forest Park in 2002. Tracy loves developing long-lasting, trusting relationships with her patients and exceeding their expectations while helping them achieve optimal oral health. She regularly attends continuing education courses to stay current on the newest technology in the field. Originally from North St. Louis County, Tracy now lives in Lake St. Louis with her husband, Tony; three daughters; and three furbabies. When not at work, she enjoys spending time with friends and family, camping, and floating.

Chrissy, Dental Assistant

Chrissy loved going to the dentist as a child and has been a dental assistant since 2007. Originally from Eureka, she now lives in Cedar Hill with her husband, TJ, and two children, Edison and Mila. Chrissy enjoys spending time with her family and friends, and doing yoga.


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