
Photo: numaoxygen.com
NUMA Hyperbaric Oxygen Therapy
London · Marylebone · updated 4 July 2026
Prices checked once on record, 4 July 2026.
- Treatments
- 13
- Categories
- 2
- From
- £160
- With pricing
- 9
Key facts
- Cheapest single session
- £160 (60 minutes)
- Chamber pressure
- 2.0 ATA
- Chambers on site
- 8 medical-grade monoplace chambers
- Oxygen delivery
- BIBS masks, near 100% oxygen
- CQC registered
- Yes
- Initial consultation
- £250 (30 min, redeemable against packages)
- Founded
- 2017 by Dr Nur Ozyilmaz, MD
- Location
- 6 York Street, Marylebone, 2 min from Baker Street
NUMA is a hyperbaric oxygen therapy clinic at 6 York Street in Marylebone, a two-minute walk from Baker Street Underground. Founded in 2017 by Dr Nur Ozyilmaz, MD, a UK-trained former NHS consultant with a background spanning emergency medicine, paediatrics, nephrology and regenerative and integrative medicine, it is registered with the Care Quality Commission and operates as a medical consultant-led service.
The clinic runs eight medical-grade monoplace chambers pressurised to 2.0 ATA, with oxygen delivered through BIBS masks at near 100% concentration. Every new patient completes a required 30-minute consultation with the medical director (£250, fully redeemable against any multi-session package). Sessions run from 60 to 120 minutes, and the clinic describes a typical course as 10-20 sessions depending on the condition and goals.
Single sessions start at £160 for 60 minutes, rising to £320 for 120 minutes, with multi-session packages of 5 to 60 sessions available at each duration. Patients are accepted by self-referral or physician referral; payment is taken in advance. The clinic is also a member of the Undersea and Hyperbaric Medical Society, the European Underwater Baromedical Society, the Royal Society of Medicine and the Independent Doctors Federation.
13 treatments across 2 categories in the menu and pricing section below.
Compiled from published research and each venue's own published information. Information only, not medical advice.
Information compiled from the clinic's website, last checked 4 July 2026.
Treatments & pricing
Sourced from the clinic's published menu where available.
Team
6 practitioners listed where available.
Dr Nur OzyilmazFounder and Medical Director · MD · UK-trained former NHS consultant
Emergency medicine · Paediatrics · Nephrology · Regenerative and integrative medicine · Hyperbaric oxygen therapy
Founder and Medical Director · MD · UK-trained former NHS consultant
Emergency medicine · Paediatrics · Nephrology · Regenerative and integrative medicine · Hyperbaric oxygen therapy
Dr Ozyilmaz brings over 25 years of medical experience. She initially specialised in emergency medicine for six years, then transitioned to paediatrics and nephrology, training at Kings College, Great Ormond Street, and St Thomas' Hospital. She later pursued postgraduate studies in the USA focused on regenerative and integrative medicine with an emphasis on hyperbaric oxygen therapy, and combines conventional and integrative medicine approaches in patient care.
Lina
Listed as a team member; no individual credentials or biography provided on the site.
Ivana
Listed as a team member; no individual credentials or biography provided on the site.
Chisengo
Listed as a team member; no individual credentials or biography provided on the site.
Sonay
Listed as a team member; no individual credentials or biography provided on the site.
Administration (1)expand
JacquesCo-founder
Co-founder
Co-founder of NUMA (2017), described on the site as a successful commercial lawyer, businessman, and philanthropist.
Facility
Conditions treated
Health areas NUMA Hyperbaric Oxygen Therapy states it works with. General information, not a treatment claim.
General
Show all 29 conditions
General
Equipment
- Hyperbaric chamber8 chambers operated at 2.0 ATA; clear acrylic windows; compressed with filtered air and oxygen; intercom communication for monitoring
- Oxygen deliveryDelivers near 100% oxygen levels, with scheduled air breaks during sessions
From @numaoxygen on Instagram

Recovery after aesthetic surgery is an important part of the wider treatment journey. Hyperbaric Oxygen Therapy (HBOT) is one option some patients explore as part of post-surgical recovery support. Some patients explore HBOT as part of support for: • Recovery after surgical procedures • Tissue re

We're seeing a growing number of referrals for avascular necrosis (AVN), so I wanted to summarise where the current medical evidence sits for hyperbaric oxygen therapy (HBOT). The key point is simple: HBOT is most clinically relevant in early-stage disease (Stages I-II), before structural collaps

Hyperbaric oxygen therapy is a medical treatment that should be carried out in a clinical setting under the supervision of a qualified doctor with the appropriate expertise. With proper fire safety measures in place, patients can feel confident they are in safe hands. However, if these measures ar

Getting ready for your chamber session? Here’s your quick checklist 👇 👕 Wear 𝟭𝟬𝟬% 𝙘𝙤𝙩𝙩𝙤𝙣 𝙘𝙡𝙤𝙩𝙝𝙞𝙣𝙜 𝙤𝙣𝙡𝙮 That includes tops, bottoms, socks, and any extra warm layers. Before you go in: 🧳 Empty your pockets 💍 Remove jewellery and watches 🔒 Store your belongings in the lockers 🌸 Avoid perfume, hairsp

I’m not a blind consumer. For me, quality matters. 🕵️♀️🔬🧐 When I buy fish 🐟, I check the country of origin. When I drink orange 🍊 juice, I want to know if it’s freshly squeezed or from a carton 📦 Because it’s not just taste, it’s ingredients, purity, and what you’re putting into your body. A

Another session @numaoxygen Three in a week. I literally need everything below, so hoping it helps get me back on track (excuse the pun) I have been struggling with a few things but I am being accountable and putting my health first! Enhanced Oxygenation HBOT increases oxygen levels in the body b
Practical information
- Hours
- Monday to Friday: 9am to 8pm; Saturday: 9am to 5pm
- Getting there
- Marylebone · Baker Street Underground station (two-minute walk)
- Website
- numaoxygen.com
- Insurance
- International and US-based policies may offer reimbursement; NUMA assists with documentation but cannot guarantee approval
- Certifications
- CQC Registered (Care Quality Commission), The Royal Society of Medicine, Independent Doctors Federation, European Underwater Baromedical Society (EUBS), Undersea and Hyperbaric Medical Society (UHMS)
- Consultation
- Required before first session
Location
6 York Street, London, W1U 6QD
6 York Street, London, W1U 6QD
Open in Google MapsAbout the organisation(expand)
Frequently asked
- How much does HBOT cost at NUMA?
- Single sessions start at £160 for 60 minutes, £200 for 75 minutes, £240 for 90 minutes and £320 for 120 minutes. Multi-session packages are available at each duration, for example, ten 60-minute sessions cost £1,488. A required initial consultation is £250 and is fully redeemable against any multi-session package.
- Do I need a consultation before treatment?
- Yes. NUMA is a medical consultant-led service and requires a face-to-face assessment with the medical director for all new patients. The 30-minute consultation costs £250 and is fully redeemable against any multi-session package.
- Where is NUMA and how do I get there?
- NUMA is at 6 York Street, London W1U 6QD, in Marylebone, a two-minute walk from Baker Street Underground station.
- What type of hyperbaric chambers does NUMA use?
- NUMA operates eight medical-grade monoplace chambers pressurised to 2.0 ATA, with clear acrylic windows and filtered medical-grade air. Oxygen is delivered through BIBS masks at near 100% concentration.
- Do I need a GP referral to be treated at NUMA?
- No. Patients are accepted by self-referral or by physician referral. A consultation with the medical director is required first to assess suitability.
- How long is each HBOT session and how many will I need?
- Sessions run from 60 to 120 minutes depending on the protocol. NUMA describes a typical treatment course as 10-20 sessions, determined at consultation based on the condition and treatment goals.
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