Meet the Team

Dentist in League City, TX

All our professionals at George H Johnson, Jr., DDS, FAGD maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in dentistry.

Dr George Johnson JR


  • Georgetown University 1988


  • Fellow of the Academy of General Dentistry
  • Texas Dental Association
  • American Academy of Implant Dentistry
  • American Dental Association (ADA)

Dr Samuel Johnson

Dr. Samuel Johnson is a general dentist with advanced training in general practice. He graduated from the University of Texas’ Houston Dental School in 2022 and completed a one-year residency at the University of Nebraska Medical Center in 2023. Samuel is the son of Dr. George Johnson, Jr. and chose dentistry in part because of the great service his father has provided to his patients. Samuel is passionate about volunteering and continued education in dentistry to provide the highest-quality care. Outside of the office, Dr. Johnson enjoys playing basketball, trying new foods, reading, and watching the latest thriller movie.


  • American Dental Association
  • Texas Dental Association
  • Academy of General Dentistry
  • Academy of Laser Dentistry


Office Manager

Tammy was born and raised in Galveston County. Dentistry has been her passion for the past 32 years. She’s been blessed to work for her best mentor, Dr. George Johnson for 30 years where she oversees the daily operations of the office. She is an expert when navigating through the mind-boggling world of insurance. Tammy has also been a dental assistant, has experience in assisting with periodontal surgeries, as well as working with adults with special needs. In her spare time, she enjoys traveling with her husband of 17 years and being with family and friends.

Dental Hygienists

Linda RDH

Dental Hygienist

Linda grew up in League City and graduated from Clear Creek High School. She graduated in 2008 from The University of Texas Health Science Center in Houston with a degree in dental hygiene. Upon graduation, she began working with Dr. George Johnson. Linda is married and has two beautiful daughters. She enjoys running marathons, going to the movies and most importantly spending time with her family.


Dental Hygienist

Tracy joined Dr. George Johnson in 2017. She graduated from the University of Texas Dental Branch in Houston in 1992.In addition, she served four years in the Marine Corps and has a deep love for her country. She is passionate about educating her patients on the importance of oral health. Tracy has acquired more than 350 hours of continuing education towards her license and is committed to continuous learning in the field of dentistry. In 1990, she married the man of her dreams. When not working, she enjoys spending time with her two kids and four grandchildren.


Dental Hygienist

Maria is a dental hygienist committed to empowering patients to make informed choices about their oral and overall health. She studied in Corpus Christi and graduated from Del Mar College with a degree in dental hygiene in 2021. She is also bilingual, fluent in English and Spanish, Nitrous Certified and trained in Laser Adjunctive Therapy. Outside of dental office hours, she enjoys chasing around her golden retriever, and has a long-standing love/hate relationship with working out. As for personal hobbies, she enjoys trying out new restaurants, tackling various DIY projects and most importantly spending time surrounded by her family and friends.


Dental Hygienist

Esther is a Registered Dental Hygienist. She has earned two degrees in Applied Science, one focused in Dental Assisting and the other in Dental Hygiene. Esther is a member of the ADHA, TDHA, and Secretary for the BADHA. She is called dentistry her career for over 31 years. Esther and her dog, Papí live in the Kemah area. In her spare time, she plays the piano and sings at church, and professionally with her boyfriend, Scott, as well as, in a girl band, the “Flowerettes”.


Dental Hygienist

Connie is a Registered Dental Hygienist who has practiced in the Galveston area since she graduated from Wharton County Junior College in 1988. Through a combination of dedication and experience she continues to have a passion for promoting oral health and strives to personalize care with each patient.
Outside of work Connie enjoys spending time with her family and three grandchildren as well as going beach combing for sea glass and long walks with her golden doodle.

Dental Assistants

Bertha RDA

Lead Dental Assistant

Bertha is a 1993 graduate of RGCSH. She then graduated from TSTC as a dental lab tech in 1995. She moved to Houston and worked in retail before joining Dr. George Johnson in May 1996. She received her RDA from UTSA in 2008. Bertha continued her education through HCC where she earned her Expanded Functions for Pit and Fissure sealant, coronal polishing and nitrous. She has additional certifications in CPR, implants, Invisalign, iTero scanning, as well as Oral Cancer screening. She is always eager to learn new things in this ever -changing industry. Bertha loves spending time with her husband of 19 years and her beautiful daughter.

William RDA

Dental Assistant

William is an enthusiastic RDA from Houston who joined Dr. George Johnson in 2011. After graduating high school, he attended TSB vocational school in Friendswood where he received his dental assistant training and certification. William continues to heighten his knowledge of dentistry by completing CE courses at HCC Coleman College for Health Sciences. His skills include iTero Element digital scanning, Pit and Fissure sealant certified, CPR & AED certified, dental Implant restorative knowledge, lab inventory, and bilingual (Spanish and English). He has been a dental assistant for 10 years. When not working, William enjoys spending time with his family and playing basketball.


Dental Assistant

 Maggie was born and raised in Alvin. She graduated from high school in 2017 and then went on to graduate from Remington College in 2018 with her RDA License. In addition to being a dental assistant, you will occasionally see her also working in the front office. Maggie’s number one reward is to see patients happy when they leave. When not working, Maggie enjoys spending time with her husband, 2 beautiful children, family and friends.


Dental Assistant

Paula is an expanded function dental assistant. She was born In Galveston, TX and graduated Ball High in 1994. Started her dental career in 1996. Went back to college in 2017. Earned a degree in Medical Administration / Medical billing & coding in 2019 from Galveston College. Always up for a challenge. Recently acquired a real estate license but decided her passion for dentistry was greater. Will continue to do both. Very high on quality and ethical values.

Married 10 years and blessed with three children and two amazing grandchildren.


Dental Assistant

I am a passionate about dentistry and want to provide quality care to all patients. I enjoy getting to know all our patients and making sure they receive quality service and attention while they’re in our office. I am a native Texan.

I spend my spare time watching movies and building Legos with my boys.
My hobbies include traveling and fitness. If I’m not doing those two things you will see me on the lake boating.

 Front Office 


Front Office Assistant

Nancy joined Dr. George Johnson in August 2000. She is experienced in dental scheduling, billing and treatment planning. She has also worked as the hygiene coordinator and managed patient records. In her spare time, she enjoys spending time with her family and beautiful grandchildren.


Front Office

Bio coming soon..                                                                                                                                                                                                                          


Dental Rover Assistant

Norma joined Dr. George Johnson in 2019. She is a longtime resident of Dickinson and a familiar face to many of our patients. She prides herself with every task that is assigned to her. She handles patient records, works with sterilization and wears many hats in making the office run smoothly. When she is not working in the office, you will find her spending time with her husband of 34 years or with her family and four grandchildren. In addition, she enjoys cooking and shopping.


Front Office

Holli joined Dr. Johnson's practice in February of 2024. Born and raised in League City, TX she has seen this city grow. Holli has been in the dental field since 2008. In her free time she enjoys going to the different museums around Houston, seeing movies, trying new restaurants, baking delicious sweet treats , and hanging out with friends. She has one fur baby named Gilbert.


Front Staff

Rochelle joined Dr. Johnson’s practice in February of 2024. She is from the island of Guam, but has been a Texan since 2015. She graduated from TX School of Business in 2015 with her RDA license and has been in dentistry since. In her free time she enjoys spending time with her children, Isaac and Abigale.