Reception and waiting area at The Demarest Clinic with modern white interior

Reception staff in white uniforms with masks at The Demarest Clinic lobby

Modern white reception and waiting area at The Demarest Clinic, Phuket, Thailand

Modern reception and waiting area at Demarest Clinic Phuket with white interior design

IV therapy lounge at The Demarest Clinic with modern white recliners

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Thailand, Phuket

Neurological Rehabilitation in The Demarest Clinic

About the clinic

The Demarest Clinic is the first clinic in Thailand sanctioned by the Health Ministry for allogeneic stem cell therapy. It specializes in regenerative medicine and cellular therapies.

Treats 1,000 patients per year.
Exclusive treatments combine amniotic fluid and first-passage umbilical cord mesenchymal stem cells.
Processes for culturing, preserving, and activating cells are AABB-certified.
On-site satellite lab and IV lounge support advanced cellular treatments.
Protocols updated through a global network of researchers.

Highlights

2021 Year of foundation

1000 patients per year

Get a free consultation

The clinic is not accepting new requests

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Average answering time – 5 minutes

Treatments prices in the clinic

Last price update — 29.03.2025. Prices can be changed depending on the medical case and doctor's recommendations.

Rehabilitation

treatment	Price
Multiple sclerosis rehabilitation	Price on request
Spinal cord injury rehabilitation	Price on request
Orthopedic Rehabilitation	Price on request
Neurological Rehabilitation	Price on request

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Licences

Clinic license for The Demarest Clinic issued by Ministry of Public Health, Thailand, 2022

Business registration certificate for The Demarest Clinic issued by Thailand DBD, 2021

Business registration certificate for The Demarest Clinic issued by DBD Thailand, 2024

Doctor license for The Demarest Clinic issued by Thai Ministry of Public Health, 2021

Patient rights and responsibilities notice, The Demarest Clinic, Thailand, 2015

Clinic license for The Demarest Clinic issued by Phuket Provincial Health Office, Thailand, 2022

Honorary certificate for The Demarest Clinic, Phuket Province, Thailand, 2022

Honor declaration for The Demarest Clinic by Phuket Province, Thailand, 2021

The Demarest Clinic: more details about the clinic

Thailand, Phuket

William Demarest Johnson, founder of The Demarest Clinic, is the youngest son of Charlie Johnson, founder of Franklin Templeton Mutual Funds and owner of the San Francisco Giants. Driven by a personal experience with regenerative medicine, Mr. Johnson founded Demarest Clinic in Thailand, combining Amniotic Fluid and First Passage Umbilical Cord-derived Mesenchymal stem cells for exclusive treatments. The clinic is the first in Thailand sanctioned by the Health Ministry to offer Allogeneic Stem Cell Therapy.

Demarest Clinic pioneers in regenerative medicine, integrating Western innovations with Eastern traditions. Its mission is to deliver optimal patient outcomes, with a vision to make aging and age-related diseases optional.

Additional services

Language assistance

Available

free

Accommodation

Hotel (apartments) near the clinic, billed daily

Patient reviews

Google 5

5 Google reviews

Karima schlageter

Jun 3, 2025

Dermarest Clinic offers a truly elevated wellness experience. I received the Liver Detox IV and was deeply impressed by the serene atmosphere, refined care, and attention to detail. From the warm, professional staff to the thoughtful touches like fresh fruit and lemon water, everything reflects the clinic’s high standard in integrative health. A sanctuary for those who value wellbeing at its finest. ✨💧

Ben Urquhart

Aug 17, 2024

Demarest Clinic hands down is the number one most innovative & advanced stem cell clinic in Phuket & continues to be on the forefront of regenerative medicine protocols - Demarest is way ahead of most international destinations with a highly professional team of medical directors locally & internationally you know you’re in very good hands. The CEO & Founder Bill Demarest Johnson is one of the most humble & influential people I have met - always willing to help everyone around him from family, friends, staff and A range of clients around the world including myself - if you do have the chance to meet Bill you will understand his passion for helping people & regenerative medicine - The clinic is 5 star ⭐️ from the moment you arrive at the Royal Phuket Marina to going up the lifts then entering A clean & luxury designed clinic amazing white interior cool 😎 water features 💧 & art work 🖼️ - greeted by very knowledgeable and friendly staff incredible attention to detail - I was impressed by some of the IVs like Curcumin & Resveratrol you can’t find this at other clinics - once again on the forefront of advanced regenerative medicine protocols - I can’t recommend Demarest Clinic enough to friends & family - the best investment you can do today is in your health.

Karolina Falk

Jun 4, 2025

The best clinic in Phuket for professional treatments - here I did Stem cell treatment in my face and am super happy with the result

Janpa

May 8, 2024

10/10. My husband had the curcumin drip before we travelling back to the UK. His legs and knees didn't give him any grief like normally did every time he travelled. Very happy with the result and excellent staff members. Highly recommended.

Scott Hider

Aug 8, 2023

I was recommended this clinic by a close friend and I am not disappointed. Their doctor spent along time with me reviewing my results and came up with an affordable plan to get me back to maximum health. The customer service and care is world leading. Aura on reception replies to my what’s app messages efficiently and effectively and Mor my nurse is very attentive and caring. Great service all around.