Robert W. Graham, D.D.S.


Dr. Graham studied chemistry at the University of California before pursuing his dental studies at the University of Texas Health Science Center at San Antonio. Dr. Graham served in the U.S. Army at Fort Sam Houston, Texas as a dental technician teaching at the Medical Field Service School until his honorable discharge. For over four decades now, he has served the San Antonio community as a dentist and as a Certified Dental Technician in the areas of crowns, bridges, and ceramics.

Dr. Graham is a member of the:

  • American Dental Association
  • Texas Dental Association
  • San Antonio District Dental Society
  • Academy of General Dentistry
  • Seattle Study Club

Dr. Graham is committed to learning, and over the years has regularly completed continuing education courses to expand his knowledge. Recent courses include Jameson Management and extensive coursework in implant and mini-implant treatments, and dental laser applications in general dentistry.

Dr. Graham is married to Kathryn Graham, a registered dental hygienist here at the practice. They have two married children: Marcus, who lives in Dallas, and Dr. Marquel McCabe, who practices dentistry with her father at Graham Family Dentistry. When away from the office, Dr. Graham enjoys spending time with his family and grandchildren, reading military history, trap and skeet shooting, and fishing with his son.


Marquel R. McCabe, D.D.S., F.A.G.D.


Dr. McCabe graduated from the University of Texas in Austin, majoring in biology. She continued her studies at the University of Texas Health Science Center at San Antonio and then joined her father’s practice in her hometown of San Antonio. Dr. McCabe loves her job!

She is a member of the:

  • American Dental Association
  • Texas Dental Association
  • San Antonio District Dental Society
  • Academy of General Dentistry (Fellow and Board Member)
  • Christian Medical & Dental Associations

Earning her Fellowship from the Academy of General Dentistry inspired Dr. McCabe to pursue excellence through regular, continued education, and she feels she is a better dentist because of the journey. She has recently added to her expertise through the following courses:

  • Jameson Management
  • Gordon J. Christensen Practical Clinical Courses (mini-implant placement, implant placement, and extended fixed prosthetics)
  • Extended courses in laser dentistry
  • MasterTrack (working towards Masters Award in AGD)
  • Seattle Study Club

Dr. McCabe is married to Seth, whom she met in the third grade, and they have two children – Addison and Madeleine. In her spare time, Dr. McCabe enjoys reading, blogging, studying the Bible, cooking, and volunteering at St. Luke’s Episcopal Church and School.


Dental Team

Kathy Graham – Registered Dental Hygienist


Kathy graduated from the University of Texas Health Science Center at Houston. Kathy has been practicing dental hygiene since 1970. Kathy has been a part of the dental practice from the very beginning. She has maintained a consistent 12 hours of continuing education every year throughout her career as a hygienist, and her certifications and training include:

  • RDH (California and Texas certified)
  • Associate Degree
  • CPR training every 2 years
  • Jameson Management
  • Seattle Study Club

Kathy is happily married to Dr. R. Wesley Graham, and together they have two children, Marcus and Marquel, a daughter-in-law, Lisa, a son-in-law, Seth, and four grandchildren: Emma, Ethan, Addison, and Madeleine. Besides spending time with her grandchildren, she enjoys gardening, reading, and helping others in her spare time, especially the elderly.


Alesia Roland – Registered Dental Hygienist


Alesia is a Magna Cum Laude graduate of the University of Texas Health Science Center at San Antonio. She fulfills at least 12 hours of continuing education each year to add to her expertise, with an emphasis on periodontal disease and on oral cancer. Her certifications and training include:

  • Bachelor of Science in Dental Hygiene
  • CPR training every 2 years
  • Jameson Management
  • Seattle Study Club

Alesia and her husband, Adam, have been married since 2006. They have two boys, Ryan and Van. In her spare time she enjoys her bi-weekly bible study group with Christian Medical Dental Society, gardening, and taking her children to soccer, basketball & baseball.


Barbara Reeves – Registered Dental Assistant


Barbara followed a 20-year career as a retail store manager with a second career helping Dr. Graham as a dental assistant. She holds an associate degree from Alamo Community College. Barbara stays up-to-date with yearly continuing education hours, and her certifications and training include:

  • Registered Dental Assistant
  • Annual OSHA training
  • CPR training every 2 years
  • Jameson Management
  • Seattle Study Club

Barbara is widowed with two grown, beautiful daughters, one grandson, Jameson, and one granddaughter, Dylan. Her hobbies and interests include: her grandchildren, antiques and estate sales, making jewelry, and gardening.


Diane Syamken – Treatment and Financial Coordinator


Diane is a graduate of San Antonio College where she received a certification in Dental Assisting. She has been a member of Graham Family Dentistry since 1990 when she started as Dr. Graham’s dental assistant. She is currently the Treatment and Financial Coordinator for the business office. Diane is a Registered Dental Assistant and has taught dental assisting at a local school.

Diane stays current with continuing education courses and her certifications and training include:

  • Registered Dental Assistant
  • Annual OSHA training
  • CPR training every 2 years
  • Jameson Management
  • Dentrix®
  • Seattle Study Club

Diane is married to her wonderful husband, David. Together they have two sons, Chris and Matt, and three grandchildren, Kayla, Kaitlyn, and Elton. When away from the office, Diane loves cooking, reading, gardening, and spending time with grandchildren, family, and friends. She also loves to cruise!


Maria Rodriguez – Insurance Coordinator


Maria is a graduate of San Antonio College where she received a certification in Dental Assisting. She has been a member of Graham Family Dentistry since 1999 and is currently the Insurance Coordinator. Mary stays current with continuing education courses and her certifications and training include:

  • Registered Dental Assistant
  • Annual OSHA training
  • CPR training every 2 years
  • Jameson Management
  • Dentrix®
  • Seattle Study Club

Maria is married to Sergio and has one stepson. When she’s away from the office, she loves to take road trips to visit her stepson, Sergio and wife, Mayra. She also loves fishing at Port Aransas, spoiling her niece, Mikaela as well as attending Zumba classes.


Lynda Lynch – Registered Dental Assistant


Lynda is a graduate of San Antonio College where she received a certification in Dental Assisting. She has been a member of Graham Family Dentistry since 2017 and is Dr. McCabe’s dental assistant. Lynda stays current with continuing education courses and her certifications and training include:

  • Registered Dental Assistant
  • Annual OSHA training
  • CPR training every 2 years
  • Dentrix®

Lynda is an animal lover, believes in good karma, karaoke and dabbles in standup comedy. Her favorite quote is “Laughter is the best medicine.”


Misty Denis – Marketing Coordinator


Misty has been a member of Graham Family Dentistry since 2018 and is currently the Marketing Coordinator. Misty stays current with continuing education courses and her certifications and training include:

  • Annual OSHA training
  • CPR training every 2 years
  • Dentrix®

Misty is married to her high school sweetheart Clarence. They have a grown son, Daniel. When away from the office, Misty loves reading, photography, traveling and spending time with family, and friends.