Deia Health

Overview

Deia Health is a private GP practice at 9 Harley Street, London, run by Dr Lafina Diamandis. It sells three membership levels, with the top Functional level including quarterly functional and longevity consultations and an optimisation plan. It also offers a 12 week doctor led programme.

What it sells: 6 health assessments, from £2,695; 1 programme; 3 memberships
Doctors: 1 named: Dr Lafina Diamandis, GP and Lifestyle Medicine Physician
Your results: Dr Lafina Diamandis, GP & Lifestyle Medicine Physician (led personally)
Online consultations: Yes
Who it is for: “Your bloods came back “normal”, but nothing about how you feel is normal”
Reviews: Google: 5.0 from 9 reviews; Trustpilot: none found; Doctify: 4.99 from 51 reviews; Checked 21st October 2026

Sources: deiahealth.com, membership, checked 19th October 2026; deiahealth.com, membership and deiahealth.com, signature health screen, checked 21st October 2026.

What you get for the money

Signature Health Screen.

Blood

Heart

Doctor

IncludedIf you choose itNot mentioned

Blood: “Comprehensive blood and urine testing — cardio-metabolic, hormonal, thyroid, bone and nutrient health”
Heart: “Heart rhythm assessment and cardiovascular risk profiling”
Doctor: “A full hour with Dr Lafina Diamandis, GP & Lifestyle Medicine Physician”
How long: 60 minutes (allow 60 to 90 minutes in clinic)
Follow up: “Follow-up consultation and onward referral if needed”
Extras: “Optional additions — mammogram, ultrasound, DEXA body composition, VO₂ max testing, cognitive health screening, cardiac calcium scoring and full-body MRI — can be added to most screens. Contact the clinic for details and pricing”

Sources: deiahealth.com, health screening and deiahealth.com, signature health screen, checked 21st October 2026.

Every price

Signature Health Screen£895The clinic’s price: “£895 (60 minutes)”. Includes “Comprehensive blood and urine testing — cardio-metabolic, hormonal, thyroid, bone and nutrient health”, “Heart rhythm assessment and cardiovascular risk profiling”, “A full hour with Dr Lafina Diamandis, GP & Lifestyle Medicine Physician”. How long: 60 minutes (allow 60 to 90 minutes in clinic).
Signature Health Screen + Whole Body MRI£2,695Includes “Comprehensive blood and urine testing — cardio-metabolic, hormonal, thyroid, bone and nutrient health”, “Heart rhythm assessment and cardiovascular risk profiling”, “A Whole Body MRI scan — advanced imaging that assesses your overall health and detects potential disease, including cancer, before symptoms appear”, “A full hour with Dr Lafina Diamandis, GP & Lifestyle Medicine Physician”. How long: 60 minute screen plus 20-minute pre-assessment call and 30-minute follow-up after the scan.
Corporate Health Screen£995The clinic’s price: “£995 (60 minutes)”. Includes “Comprehensive blood and urine testing — cardio-metabolic, hormonal, thyroid, bone and nutrient health”, “ECG and full cardiovascular evaluation”, “A full hour with Dr Lafina Diamandis, GP & Lifestyle Medicine Physician”. How long: 60 minutes.
Optimal Health Assessment£2,995The clinic’s price: “£2,995 (half day)”. Includes “Advanced blood profile including hormones, lipoprotein(a), Apo A/B, fasting insulin and HOMA-IR”, “ECG, VO₂ max testing and CT chest with cardiac calcium score”, “Cognitive Performance Assessment”, “Consultation with a specialist screening doctor”. How long: half day.
Advanced Cancer Screening£3,500The clinic’s price: “£3,500 (half day)”. Includes “Full-body MRI advanced cancer scan”, “Consultation with a cancer screening doctor and full examination”. How long: half day.
Ultimate Health Assessment£7,995The clinic’s price: “£7,995 (full day)”. Includes “Everything in the Optimal Health Assessment”, “Full-body MRI advanced cancer scan and QFIT bowel cancer screening”, “DEXA body composition scan and Cognitive Performance Assessment”, “Consultation with a specialist screening doctor”. How long: full day.

Source: deiahealth.com, health screening, checked 21st October 2026.

Is it worth it?

This page does not answer that. Here is what the NHS does for free, and what those who set screening policy say.

NHS Health Check: “a free check-up of the health of your heart and blood vessels”
Who can have it: People “aged 40 to 74 who do not have” certain conditions, such as heart disease or diabetes, or who already take medicines like statins
How often: Every 5 years, by invitation from your GP or local council
What it checks: Height, weight, waist, blood pressure, cholesterol and possibly blood sugar, in about 20 to 30 minutes

Source: nhs.uk, NHS Health Check, page reviewed 14th August 2023, checked 20th October 2026.

UK National Screening Committee

“Screening is not for people who have symptoms. People who have symptoms should always consult their GP.”

GOV.UK, published 21st November 2023

NHS

“Private companies offer a range of screening tests that you have to pay for.”

nhs.uk, NHS screening, reviewed 30th July 2024

Could it find something that isn’t there?

The Royal College of Radiologists, on MRI scans, which this clinic offers

“If you have no symptoms, we don’t recommend trying to get an MRI scan without being referred by a doctor, as there is a chance of overdiagnosis and treatment of irregularities that turn out to be nothing to worry about. This can cause unnecessary anxiety and can even lead to unnecessary treatment.”

rcr.ac.uk, 12th June 2025

After your results

Who explains them: Dr Lafina Diamandis, GP & Lifestyle Medicine Physician (led personally)
If something is found: “You are not left to arrange it yourself. Findings are explained, urgent items are acted on the same day, and onward referral is arranged within our network”
Sharing with your GP: “We work alongside it, share information with your consent, and are clear about what belongs where”
Insurance and employers: “Membership fees are not usually covered by insurers, but some onward investigations and specialist referrals may be. Please check with your insurer before you book”

Sources: deiahealth.com, membership and deiahealth.com, signature health screen, checked 21st October 2026.

Royal College of General Practitioners

“the organisation initiating the screening should not assume that general practitioners will deal with the results”

rcgp.org.uk, screening, October 2019

Before you book

The same checks on every listing, in the words of the clinic, the regulator or the government.

Renewal: “Annual memberships run for the year and are not tied to renewal.”Terms
It sells DEXA. The UK Government says: “providing DEXA for non‑medical sports and wellness purposes is prohibited”. A consultation closed on 1st June 2026; no decision has been published.DEXAGOV.UK, government position, published 30th March 2026; consultation page updated 7th October 2026.
The Care Quality Commission rated it “Good” in a report published 17th January 2019.Registration

Doctors

Every doctor the clinic names, with their entry on the medical register where one was found.

Dr Lafina Diamandis: GP and Lifestyle Medicine Physician; On the GMC register with a licence to practise. GMC 6159582

Source: deiahealth.com, membership, checked 19th October 2026.

What it tells you

The same questions for every clinic. What it says on its own pages, and what it does not.

StatedNot stated

PricesStated for 6 of 10 packages
What each package includesStated
How long a visit takesStated
How long results takeStated
Who explains your resultsStated
What happens if something is foundStated
Who pays for follow upNot stated
Whether results go to your GPStated
Insurance or employer coverStated
Membership termsStated in its terms
Its doctors’ namesStated: 1 doctor

From the clinic’s pages listed under Sources, checked 21st October 2026.

Details

Membership terms

In the clinic’s own terms:

Term: “Annual memberships run for the year and are not tied to renewal.”
Cancelling: “Monthly memberships can be cancelled with one month's notice. Annual memberships run for the year and are not tied to renewal.”

Source: deiahealth.com, membership, checked 20th October 2026.

Registration

Care Quality Commission: Rated “Good”, report published 17th January 2019.
Registered as: 9 Harley Street Limited (provider 1-101724976), 9 Harley Street, London, W1G 9AL

Source: the Care Quality Commission’s page for this location, checked 19th October 2026.

DEXA

Ultimate Health Assessment: Included: “DEXA body composition scan and Cognitive Performance Assessment”
Ultimate Health Assessment: Included: “DEXA body composition scan and Cognitive Performance Assessment”