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Offers

• Face-to-face consultations
• Video and telephone consultations

About me

Dr Marcus Martineau MBBS MRCP MD PhD
Consultant Endocrinologist, Diabetologist General & Obstetric Physician

Dr Marcus Martineau is a highly experienced Consultant Endocrinologist, Diabetologist and General Physician with expertise in the diagnosis and management of a wide range of hormonal, metabolic and medical conditions.

After graduating with Merit from Imperial College London in 2000, Dr Martineau completed specialist training in Diabetes and Endocrinology, General Medicine, and Obstetric Medicine in both London and Providence, USA. Since 2014, he has been a Consultant at Chelsea and Westminster Hospital NHS Foundation Trust, where he manages complex endocrine and metabolic disorders and provides specialist care for patients with medical problems during pregnancy.

Widely respected for his thoughtful and collaborative approach, Dr Martineau is particularly experienced in managing complex cases that require input from multiple specialties. He works closely with leading radiologists, surgeons and other healthcare professionals to ensure patients receive comprehensive, coordinated care tailored to their individual needs.

Private Care
Dr Martineau sees private patients at The Syon Clinic and Chelsea and Westminster Hospital, offering personalised care in a professional and welcoming environment.

His consultations are designed to give patients the time and attention they need, with a focus on understanding symptoms, establishing an accurate diagnosis, and developing a clear, evidence-based treatment plan.

Patients benefit from:
• Extended consultation times to discuss concerns in detail
• Prompt access to appointments and diagnostic investigations
• Personalised treatment plans tailored to individual circumstances
• Access to a trusted network of specialist healthcare professionals when multidisciplinary care is required
• Continuity of care from diagnosis through to long-term management

Combining NHS Expertise with Personalised Private Care

By working across both the NHS and independent healthcare sectors, Dr Martineau combines extensive clinical experience with the accessibility and flexibility of private medicine. This enables him to deliver high-quality, patient-centred care while ensuring access to the latest diagnostic and treatment approaches.

What Patients Value
Patients frequently endorse Dr Martineau for his approachable manner, clinical expertise and ability to explain complex medical conditions clearly. His commitment to listening carefully, addressing concerns thoroughly and involving patients in decision-making helps build confidence and achieve the best possible outcomes.

Areas of Specialist Interest

• Diabetes
• Thyroid Disorders
• Adrenal Disorders
• Pituitary Disorders
• Polyendocrine Metabolic Ovary Syndrome (PMOS / PCOS)
• Male Hormone and Androgen Disorders
• Hyperlipidaemia and Cholesterol Disorders
• Metabolic Syndrome
• Hypertension
• Hyponatraemia and Electrolyte Disorders
• Fertility and Endocrine Disorders
• Medical Conditions in Pregnancy
• General Endocrinology

Arrange a Private Consultation

Dr Marcus Martineau provides expert, personalised care for patients seeking specialist assessment and treatment of endocrine, metabolic and general medical conditions.
From your initial consultation through to diagnosis and long-term management, you will benefit from dedicated clinical expertise, clear communication, and a treatment plan tailored specifically to your circumstances.

Appointments are available at your convenience, with prompt access to investigations and specialist support where required.

Contact Dr Marcus Martineau today to book an appointment or discuss how Dr Martineau may be able to help.

Call: 07766236995

Email: m.martineau@nhs.net

Book Online: Dr Marcus Martineau - Consultant Physician in Diabetes, Endocrinology, General & Obstetric Medicine in London

Areas of interest

Diabetes; Thyroid Disorders; Adrenal Disorders; Pituitary Disorders; Polycystic Ovary Syndrome (PCOS); Male Hormone and Androgen Disorders; Hyperlipidaemia and Cholesterol Disorders; Metabolic Syndrome; Hypertension; Hyponatraemia and Electrolyte Disorders; Fertility and Endocrine Disorders; Medical Conditions in Pregnancy; General Endocrinology

Medical secretaries

• Marcus Gaston Thomas
• West Middlesex University Hospital Twickenham Road Isleworth TW7 6AF
• 07766 236995
• m.martineau@nhs.net