Leading Consultant in Endocrinology, Diabetes
and Medical Weight Management
Personalised, evidence-based care from an experienced consultant with pioneering involvement in clinical research evaluating novel weight-loss treatments.
Dr Humayun combines extensive experience in obesity medicine, incretin-based therapies and metabolic health with active involvement in first-in-human and proof-of-concept clinical research.
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Years Experience
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Google Rating
Leadership & Innovation
NHS Clinical Lead & PI
Holistic Care
Whole-Person Approach

Why Trust Dr Humayun
Consultant for over 10 years
Fellow of the Royal College of Physicians
NHS Clinical Lead in Diabetes and Endocrinology
RCP Regional Advisor, Oxford & Thames Valley
Specialist in diabetes, hormones and obesity
Principal Investigator in SIRONA trials
Experienced in GLP-1 and incretin-based therapies
Face-to-face and virtual consultations
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Years Experience
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UK Locations
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Publications
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5-Star Patient Reviews
Specialist Services
Delivering world-class endocrine care through evidence-based medicine and a genuinely patient-centred approach.

Diabetes Care
Complete management for Type 1, Type 2, and gestational diabetes with personalised treatment plans and continuous monitoring.
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Thyroid Disorders
Specialist diagnosis and treatment of hypothyroidism, hyperthyroidism, thyroid nodules, and autoimmune thyroid conditions.
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Endocrine Disorders
Expert management of adrenal, pituitary, and complex hormonal conditions using the latest diagnostic techniques.
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Weight Management
Evidence-based programmes combining medical therapy, dietary guidance, and lifestyle interventions for sustainable results.
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Reproductive Health
Management of PCOS, fertility-related hormonal issues, menopause, and testosterone deficiency in men and women.
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Osteoporosis & Bone Health
Early detection and treatment of bone density loss, calcium disorders, and vitamin D deficiency with ongoing monitoring.
Learn MoreSpecialist Clinical Areas
Dr Humayun offers expert care across five core clinical areas, each supported by advanced diagnostic capabilities and evidence-based treatments.
Medical Weight Management
Consultant-led assessment, identification of hormonal and metabolic contributors to weight gain, evidence-based therapies including GLP-1 and dual incretin treatments, and long-term maintenance planning.
Learn moreDiabetes & Technology
Specialist care for Type 1, Type 2 and complex diabetes with access to continuous glucose monitoring, insulin pumps and hybrid closed-loop systems.
Learn moreThyroid & Endocrine Disorders
Expert diagnosis and management of hypothyroidism, hyperthyroidism, Graves' disease, thyroid nodules, pituitary and adrenal disorders.
Learn moreMen's & Women's Hormonal Health
Assessment and treatment of low testosterone, menopause and HRT, PCOS, irregular periods, raised prolactin and reproductive endocrine conditions.
Learn moreOsteoporosis & Bone Health
Management of osteoporosis, fragility fractures, secondary causes of bone loss, calcium and vitamin D disorders, including injectable and anabolic therapies.
Learn moreAt the Forefront of Weight-Management Research
Dr Asif Malik Humayun is an experienced Consultant Endocrinologist, Diabetologist and Obesity Specialist with an active role in clinical research into new approaches to weight management.
As Principal Investigator in the SIRONA clinical research programme, he has contributed to first-in-human and proof-of-concept studies evaluating an innovative orally administered hydrogel treatment for weight loss and weight-loss maintenance.
He is also a site investigator in the ACTIVATE Trial (digital health for physical activity in type 2 diabetes) and involved in the UK-EDI and DRoPLeT studies. His research interests include novel obesity treatments, appetite regulation, maintenance of weight loss following GLP-1 therapy, metabolic health and the development of practical long-term treatment strategies.
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Publications
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Reads
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Citations
Research Keywords
Clinical Expertise Informed by Research
Dr Humayun is actively involved in evaluating innovative treatments for obesity and weight-loss maintenance. His work includes principal investigator responsibility for studies of SIRONA, a novel orally administered hydrogel designed to support weight management.
Discover Dr Humayun's Research
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Years Experience
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Publications
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Publications
Dr Asif
Humayun
A highly respected consultant endocrinologist with over 20 years of clinical experience in the diagnosis and management of complex endocrine disorders, diabetes, and metabolic conditions.
Committed to providing personalised, evidence-based care that addresses the root cause of hormonal imbalances — helping every patient achieve lasting improvements in their health and quality of life.
MRCP (UK)
Royal College of Physicians
Research Led
50+ publications
Patient Centred
Holistic, empathetic care
GMC Registered
Specialist Register
NHS & Private
Dual practice
Educator
Teaching & training
Personalised Approach to Every Patient
No two patients are the same. Dr Humayun develops bespoke treatment strategies after a thorough understanding of your medical history, symptoms, and personal goals.
- Comprehensive hormonal assessments and metabolic profiling
- Individualised treatment plans tailored to your lifestyle
- Regular monitoring with adjustments as needed
- Dietary and lifestyle guidance alongside medical therapy
- Collaborative care with your GP and other specialists
- Long-term follow-up to ensure sustained results

How It Works
From your first call to long-term follow-up — here's what to expect when you choose Dr Humayun.
Book Your Appointment
Contact us by phone, email, or online form. We typically offer appointments within a few days.
- Same-week availability
- Multiple booking channels
- Flexible scheduling
Expert Consultation
An in-depth 45-minute consultation to understand your symptoms, history, and health goals.
- Thorough assessment
- 45-minute first visit
- Specialist-led
Personalised Plan
Advanced diagnostics and a tailored treatment plan using the latest medical evidence.
- Bespoke treatment
- Evidence-based care
- Clear next steps
Ongoing Support
Regular follow-ups, progress monitoring, and continuous adjustments for best outcomes.
- Regular reviews
- Adaptive approach
- Long-term partnership
What to Expect
From first contact to ongoing care — here is the pathway every patient follows with Dr Humayun.
Choose Your Service
Select the condition, location or virtual consultation that best suits your needs.
Book an Appointment
Book online, telephone the hospital or submit an enquiry form.
Provide Your Records
Share recent blood tests, scan reports, medication list and previous clinic letters.
Specialist Consultation
Detailed history, review of investigations and an agreed clinical plan with Dr Humayun.
Investigations & Treatment
Further tests, scans or treatment recommended where required.
Follow-Up & Ongoing Care
Results reviewed, treatment adjusted and a long-term management plan agreed.
Our Clinic Locations
Conveniently located across London and the Home Counties, with virtual consultations available UK-wide.
What Our Patients Say
“Dr Humayun changed my life. After years of feeling unwell and being told my thyroid levels were "normal", he took the time to listen, investigate properly, and find the right treatment. I feel like myself again.”
Sarah M.
Thyroid Patient · London
“Exceptional care from start to finish. Dr Humayun explained everything clearly and adjusted my diabetes management plan until it was perfect. My HbA1c has never been better.”
James R.
Diabetes Patient · London
Latest Articles
Expert insights on endocrinology, diabetes, and metabolic health to help you make informed decisions about your care.

Understanding Type 2 Diabetes: Prevention & Management
Learn about the latest approaches to preventing and managing Type 2 diabetes with lifestyle modifications and medical interventions.
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Getting to Know Cholesterol: What Your Levels Mean
Understanding different types of cholesterol, what your blood test results mean, and practical steps to optimise cardiovascular health.
Read Article
Effective Approaches to Obesity Management
Exploring new avenues in obesity treatment — from lifestyle interventions and pharmacotherapy to surgical options and GLP-1 agonists.
Read ArticleYour Health, At a Glance
Use our free tools to get instant insights into your health — then take the next step with expert guidance.
BMI Calculator
Calculate your Body Mass Index instantly
Diabetes Risk Assessment
Quick screening based on NHS guidelines to estimate your Type 2 diabetes risk.
ExploreWeight Management Plan
Get started with evidence-based weight loss strategies tailored to your profile.
ExploreMetabolic Health Check
Understand your metabolic markers and what they mean for your long-term health.
ExploreEven a 5-10% reduction in body weight can significantly improve insulin sensitivity, blood pressure, and cholesterol levels.
Why Patients Choose Us
A commitment to excellence in every aspect of your care journey.
Advanced Diagnostics
State-of-the-art hormonal testing, imaging, and metabolic profiling for precise, early detection of endocrine conditions.
Holistic Care
Physical health, mental wellbeing, and quality of life addressed as one.
Fast Access
See a specialist within days, not months. Urgent referrals accepted.
Cutting-Edge Treatments
Access the latest medications including GLP-1 agonists, biologics, insulin pumps, CGMs, and clinical trial opportunities.
Patient Education
Empowering you with knowledge through clear explanations and resources.
Accredited & Trusted
GMC registered, MRCP certified, with leading UK hospital affiliations.
Book Your Consultation Today
Take the first step towards better health. Our team is ready to help you schedule an appointment at a time and location that works for you.
Quick Enquiry
Fill in the form below and we will get back to you within 24 hours.






