Dentist – San Marcos, TX

Get to Know Dr. Donnelly

San Marcos dentist Doctor Bob Donnelly smiling

When you meet Dr. J. Robert (Bob) Donnelly, you quickly see why so many in San Marcos have called our dental practice home. His expertise in a range of services, including cosmetic dentistry, dental implants, dentures, Invisalign, sedation, tooth extractions, and more, means that, regardless of your needs and goals, he can give you a healthy, radiant smile.

What Is Your Background in Dentistry?

Dr. J. Robert (Bob) Donnelly earned his Bachelor of Science degree from Texas A&M University.  He then served his country as an officer in The United States Marine Corps.  Dr. Donnelly went on to excel in his studies at The University of Texas Health Science Center in San Antonio to achieve his Doctorate of Dental Surgery.  Additionally, he has completed a rigorous set of studies to attain status as a Master of the Academy of General Dentistry, and graduated from the Las Vegas Institute of Cosmetic Dentistry.

Continuing Education

As a Master of the Academy of General Dentistry, Dr. Donnelly has completed over 1,600 hours of continuing dental education, 400 hours of which were hands-on-courses.  These hours are spread across 16 different dental disciplines, ensuring that Dr. Donnelly is well-rounded, and has the ability to offer insightful, comprehensive care to his patients.  In an organization of over 40,000 general dentists, only about 4% of dentists nationwide have achieved their Master of the Academy of General Dentistry (MAGD).  In 2011 The Academy of General Dentistry announced that Dr. J. Robert Donnelly had earned his Lifelong Learning & Service Recognition (LLSR) for his commitment to lifelong learning, volunteering his services to communities in need, mentoring associates and new dentists, and participating in organized dentistry.  The LLSR is presented only to AGD members who have gone above and beyond the association’s highest honor of Mastership.  Since its inception in 2005 only 430 have achieved their LLSR.

Dr. Donnelly is an active member of the following professional organizations:

  • American Dental Association
  • Texas Dental Association
  • Academy of General Dentistry
  • American Academy of Cosmetic Dentistry
  • Academy of Laser Dentistry
  • American Academy of Implant Dentistry
  • Doctors Organization for Conscious Sedation
  • Jack T. Clark Foundation board member
  • Central Texas Study Group
  • River District Dental Society
Exterior of building at Texas A and Am University
Super Dentists Texas 2023 Hall of Fame Super Dentists Legacy Member Master of the Academy of General Dentistry badge San Marcos Daily Record Best of Hays 2023 badge
Two empty chairs under umbrella on the beach

What Do You Do Away from the Office?

Dr. Donnelly and his wife Kathy were blessed with two sons, a daughter in-law, and granddaughter. Their son Chance who was also in the dental field as a sales consultant passed away in 2010. Their son Jared received his Finance degree at Texas A&M and is an actor and real estate agent living in San Marcos. Margaret, their daughter in-law lives in San Marcos as well. Their granddaughter, Kimberly, received her degree from Texas A&M and she and her husband have recently moved back. As a family they enjoy Texas A&M football games, going to the beach, spending time at their ranch and just being together.