San Antonio Ketamine

Bringing hope to those who need it.

Ketamine Clinic San Antonio | Ketamine for Depression

San Antonio Ketamine is the most affordable ketamine infusion clinic in San Antonio. Our goal is to bring hope to individuals who are experiencing the effects of a range of physical or psychological disorders. These include depression, PTSD, & bipolar disorder. Ultimately, we wish to bring ketamine infusion therapy to those who need a helping hand to get their life on track. Our aim to make it accessible to people across San Antonio.

At our San Antonio clinic, we offer  the most affordable ketamine infusions in the greater region. Our experienced ketamine infusion team consists of emergency physicians and hospice doctors, all highly trained to administer and monitor ketamine infusions for the treatment of a range of physical and psychological ailments.  Together, our physicians have more than 70 years combined experience working with ketamine and managing  psychiatric emergencies in San Antonio Academic centers and community hospitals.  With that sort of experience behind us, there’s no guess why ketamine infusion San Antonio is one of the country’s most sought-after clinics.

At San Antonio Ketamine, our team are caring and compassionate, taking into great consideration the needs of our patients, whether these are physical, mental or emotional. We will ensure the process of your treatment is comfortable and we’ll be with you, every step of the way.

Affordable Ketamine Infusions

At just $385 per infusion, Ascend offers the lowest infusion price in  the Greater San Antonio Area.

Compassionate Care

We are with you every step of the way. We will follow-up and provide  helpful tools to monitor your results.

In-Home Infusions

If you’re unable to leave your home, or you are currently in a hospice, we are happy to bring our services to you.

Meet Our Team

Highly-trained to administer and monitor ketamine infusions, our team consists of experienced emergency physicians and hospice doctors.

Lars Thestrup

San Antonio Ketamine Co-Founder & Medical Director

As the medical director of several local emergency rooms, and with years of experience as an emergency physician, Lars Thestrup brings years of clinical experience to San Antonio Ketamine. Lars is also on faculty at Baylor College of Medicine as an assistant professor in the Department of Emergency Medicine. He completed a residency in Emergency Medicine at Johns Hopkins. Inspired by the possibility of helping the thousands of individuals suffering in San Antonio, Lars established Ascend in 2017, alongside a team of highly-trained medical experts.

Darrell Calderon

San Antonio Ketamine Co-Founder

Dr. Calderon brings an abundance of experience to San Antonio Ketamine. After completing his residency in Emergency Medicine in 2000, Dr. Calderon has had many roles. His roles have included working in a busy emergency center in the Texas Medical Center as well as serving his country as the Division Surgeon for the 75th Training Support Division in the US Army Reserves. He currently serves as the Chief Medical Officer of a local hospital. His interests include emergency airway management as well as critical care in the emergency department. During his free time, Dr. Calderon enjoys spending time with his family and fishing.

Barry Diner

San Antonio Ketamine Co-Founder & Medical Director

Barry Diner is on faculty at Baylor College of Medicine as an assistant professor in the Department of Emergency Medicine. Barry is double boarded in Emergency Medicine and Hospice. He completed a residency in Emergency Medicine at The Brooklyn Hospital Center, Weill Medical College of Cornell Medical School and was appointed chief resident in his final year. Barry has a special interest in palliative care and pain management. He is presently a team physician for Vitas Hospice Care.

Jesus Arroyo

San Antonio Ketamine Co-Founder

Dr. Jesus Arroyo has over a decade of experience as an attending in academic and community emergency medicine physician in the San Antonio area. His special interest is in the research area, working as principal investigator, supervising multiple pharmaceutical study protocols. Alongside his colleagues, San Antonio Ketamine was devised to give more options to an ailing San Antonio population.

Schedule a Free Consultation

At San Antonio Ketamine, we want the best for you. That's why we offer a complimentary consultation. This is designed so you can ask any questions, and to determine if ketamine is the right treatment for you, or your loved ones.