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Dr. Patrick E. Johnson

Chief Medical Officer - Board Certified Family Medicine

Dr. Patrick E. Johnson was born in Houston, Texas in 1953 and graduated from The University of Texas at Austin with a Bachelor of Arts Degree in 1975. He received his Doctor of Medicine degree from St. George's University School of Medicine, Grenada, West Indies in 1983. He completed a three year Family Medicine residency at The University of Texas Health Science Center at Houston in 1986.

Dr. Johnson is currently certified as a Diplomate of the American Board of Family Medicine. He brings over 30 years of inpatient, outpatient, and emergency medicine experience to the Tejas organization.

In October 2015, Dr. Johnson became the Chief Medical Officer of Tejas Health Care and is dedicated to the mission of providing affordable, easily accessible medical care to the community.


Dr. Enrique Tobias

Board Certified Family Medicine

Born and raised in Mexico, Dr. Tobias received his Paramedic Certification at the University of Monterrey in 2003. He went on to complete his Medical Degree in 2007. In 2014, Dr. Tobias received the Dean’s Resident Teaching award at Texas Tech University Health Sciences Center at Permian Basin during his Family Medicine residency. Soon after completing his residency in 2015, Dr. Tobias started his career with Tejas Health Care. Dr. Tobias has a passion for serving the community.


Dr. Robert Katz

Board Certified Family Medicine

Dr. Robert Katz was born and raised in New Rochelle, New York. He served in the Marine Corps for four years as a combat photographer. Following his service he attended Hunter College in New York. He volunteered and worked for Habitat for Humanity in New York City. With a group of friends he started and later directed a non-profit organization called One Small House, to date they have built over 120 homes for needy families in Mexico and Haiti.

Dr. Katz completed Medical School at SUNY Downstate in Brooklyn. He then did his residency in family practice with obstetrics training at Middlesex hospital in Middletown Connecticut.

In 2015 he came to Texas as an attending physician at Columbus Community Hospital. He served as the hospital chief of staff from 2017 - 2018. He is happy to be a part of the Tejas team!


Leslie Lindholm

Board Certified Family Nurse Practitioner

Born in Columbus, Texas in 1970, Mrs. Lindholm was raised near Bellville and La Grange, Texas. In 1996, she graduated from Blinn College in Brenham with an Associate Degree in Arts. Mrs. Lindholm later transitioned into the nursing program at Prairie View A&M located in the Houston Medical Center, where she graduated in 1999. In 2005 Mrs. Lindholm obtained her Masters in Nursing Degree at the University of Texas Medical Branch in Galveston, Texas.

Mrs. Lindholm is Board Certified in Family Practice and has served the community in Internal Medicine and Family Practice since 2005.

Mrs. Lindholm became a member of the Tejas Health Care team in January of 2015 and loves working with the community. She is very involved locally and works alongside her church with the homeless population in Austin, Texas.

In addition Mrs. Lindholm is involved in mission work in South America, traveling to El Salvador annually. Her passion is people and making a difference. Mrs. Lindholm is married with one son and one grandson.


Sarah Kellen

MSN, RN, Certified Family Nurse Practitioner

Born in west Texas, Sarah attended Texas Tech University; earning a Bachelor's of Science degree in Nursing in 2007. After graduating with honors, Sarah practiced for nine years as a Registered Nurse in both the intensive care unit and emergency department settings, during that time she also trained as a pediatric sexual assault nurse examiner. In 2013, Sarah returned to Texas Tech to pursue her Master's Degree in Nursing. She completed her degree in 2016, finishing in the top 10 percent of her graduating class of Family Nurse Practitioners.

Sarah is passionate about serving her local community and loves living in a small town. She is a very active member of La Grange Church of Christ and enjoys volunteering around the community. Most of all, she enjoys spending quality time with her husband and two young children.


Chelsea Jecmenek

Board Certified Physician Assistant

Born in Harrisburg South Dakota, Chelsea attended South Dakota State University where she earned her Bachelor of Science in Athletic Training in 2007. After graduation, Chelsea accepted a graduate assistantship at Louisiana Tech University, working as an Athletic Trainer for the Bulldog Football team. While at La Tech, Chelsea earned her Master of Science in Exercise Physiology graduating with honors in 2009. After graduation, Chelsea moved to La Grange, working in a local physical therapy clinic until she began pursuing her Master of Medical Science in Physician Assistant studies at Our Lady of the Lake College in Baton Rouge, LA. Since completing her Physician Assistant training in 2013, Chelsea has gained experience in Family Practice, Orthopedic Surgery and Urgent Care.

Chelsea loves being a PA and believes it is a great honor to serve others as a health care provider. She is excited to be practicing in the small community she calls home. When Chelsea is not seeing patients she enjoys spending time with her husband and their two dogs. The couple can be found most of the time in the outdoors, hunting, fishing, or participating in Shooting Sports.


Dr. Robert Katz

Board Certified Family Medicine

Dr. Robert Katz was born and raised in New Rochelle, New York. He served in the Marine Corps for four years as a combat photographer. Following his service he attended Hunter College in New York. He volunteered and worked for Habitat for Humanity in New York City. With a group of friends he started and later directed a non-profit organization called One Small House, to date they have built over 120 homes for needy families in Mexico and Haiti.

Dr. Katz completed Medical School at SUNY Downstate in Brooklyn. He then did his residency in family practice with obstetrics training at Middlesex hospital in Middletown Connecticut. In 2015 he came to Texas as an attending physician at Columbus Community Hospital. He served as the hospital chief of staff from 2017 - 2018. He is happy to be a part of the Tejas team!


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