Altitude Health - Mental Health, TMS and Ketamine Treatment Jacksonville
9905 Old Saint Augustine Road, 400, Jacksonville
5.0(55 Google reviews)
Treatment information
3547 Hendricks Ave, Jacksonville, FL 32207, USA4.8(182 Google reviews)
Sources checked by our editorial team · Updated November 2, 2026
Photos via Google Maps listing.
The Practice is a clinic in Jacksonville. Its official website lists Monitored IV ketamine infusions.
View the clinic’s treatment information.
Contact the clinic directly to confirm current services, clinician qualifications, appointment availability, eligibility, pricing and any insurance requirements. Treatment offerings and coverage can change. Do not assume that a listing means the clinic is accepting new patients.
Ask about your assessment, the monitoring required for your treatment, transportation home, medication instructions and follow-up care. Only a licensed clinician who has reviewed your health history can determine whether treatment is appropriate.
Source: the clinic’s official website. Reviewed November 2, 2026. This directory information is educational, not medical advice.
General Ketamine indications — confirm with the clinic which they treat.
3547 Hendricks Ave, Jacksonville, FL 32207, USA
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“Charlie always has been focused on me when we meet/speak. He is very accommodating, patient, understanding & through. I've been seeing him for about 10 years. The growth in myself through therapy with Charles and the ketamine infusions treatments have been amazing!! I would highly recommend him, or any other practitioner from The Practice.”
“Wouldn't go anywhere else. Charles Maddix does a great job at making you feel comfortable. He has helped me find the medications that help me function. I look forward to seeing the staff at the practice. Haven't a complaint yet. Makes you feel like apart of the team but very professional. 10/10 rec”
“Charles Maddix is definitely the best psychiatrist I've ever had. My case is complex and he takes the time to listen to me. He thinks outside the box and is willing to find solutions that other psychs might not consider. I couldn't be happier with the care he provides. He is especially knowledgeable about ADHD and the role of hormones in mental illness and offers alternative treatments like ketamine infusions. My only complaint is that communication with the office between appointments is often difficult. They often don't answer the phones or return voicemails or portal messages. They have said that they are working on these issues and are hiring additional staff- I look forward to seeing positive changes in their communication practices, because I really love this practice, all of their staff, and how Charles Maddix practices medicine.”
“Seeing Charles, as usual, is great. I've been with him about ten years now. I think that my previous record for staying with ones mental health provider was six months. Charles is literally the best.”
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