Dr. Maria Knöbel, MBBS BSc(hons) ARCS Dip BSLM IBLM MRCGP
Dr Maria Knöbel is a GMC-registered GP (GMC 7495073), Medical Director and co-founder of MedicalCert, a UK private medical certificate platform. She holds an MBBS from Barts and The London School of Medicine, a BSc (Hons) from Imperial College London, and membership of the Royal College of General Practitioners. She provides clinical governance for every consultation submitted through the platform.
Expert commentary in health and lifestyle media
Dr Knöbel contributes expert medical commentary to health, wellness, and consumer publications. Her insights on workplace health, telehealth, and preventative medicine have appeared in MedicalNewsToday, EverydayHealth, Shape, Yahoo, RealSimple, Bustle, Tom's Guide, Hello Magazine, Women's World, Success, and NewsBreak, alongside UK outlets including the Mirror and Express.
Experience across GP care and digital health
Dr Knöbel's clinical background spans general practice, lifestyle medicine, menopause health, and occupational health, with a particular focus on the intersection of workplace wellbeing and accessible digital healthcare.
Clinical leadership
Medical Director and co-founder of MedicalCert. Responsible for clinical governance, doctor recruitment, and the standards framework that governs every consultation on the platform.
Occupational and workplace health
Particular expertise in workplace absence documentation, fitness-for-work assessments, and the clinical criteria for issuing private medical certificates under GMC good practice guidelines.
Lifestyle medicine
Internationally board-certified in Lifestyle Medicine (IBLM). Published GP with a focus on evidence-based preventative care and long-term wellbeing outcomes.
Medical oversight across every certificate
Dr Knöbel provides direct clinical governance for every consultation submitted through MedicalCert. No certificate is issued without individual review by a GMC-registered doctor operating under her clinical framework. The clinical review process she designed ensures each case is assessed against current GMC good practice guidelines, with escalation pathways for complex presentations.
- Stress and mental health certificates Clinical criteria for stress-related absence, signed-off-with-stress documentation, and workplace mental health certification.
- Workplace sick notes Private sick notes for employer absence records, Statutory Sick Pay documentation, and the 7-day self-certification rule.
- Mental health documentation Certificates covering depression, anxiety, PTSD, OCD, bipolar disorder, and other mental health conditions affecting work capacity.
- Sports and event medical certificates Pre-participation fitness assessments, sports medical clearance, and event medical certificates for competitive and recreational activities.
- Return-to-work certification Fitness-for-work assessments, phased return documentation, and workplace adjustment medical certificates.
- Full certificate catalogue 33+ certificate types including fit-to-fly, sports medicals, disability accommodation letters, and specialist medical documentation.
Academic background and qualifications
Education, postgraduate training, clinical registrations, and areas of specialist focus.
Dr Knöbel graduated with a BSc (Hons) in Biomedical Sciences from Imperial College London, followed by her Bachelor of Medicine and Surgery (MBBS) from the University of London at Barts and The London School of Medicine and Dentistry, where she received Merit and awards. She is registered with the General Medical Council (GMC number 7495073), and her registration status can be verified on the GMC public register.
Her postgraduate qualifications include Membership of the Royal College of General Practitioners (MRCGP), a Diploma in the British Society of Lifestyle Medicine (BSLM), and International Board Certification in Lifestyle Medicine (IBLM). She is currently pursuing specialist qualifications in Menopause Care and Sports Medicine.
Dr Knöbel's clinical focus extends to digital health and medical technology, informing MedicalCert's approach to remote consultations and online certificate delivery. She designed the platform's clinical review process to ensure that every case receives individual assessment by a qualified doctor, with refusal and escalation pathways built in for presentations that require in-person examination or onward referral.
During her academic career, she was involved with global health organisations including UNICEF and Médecins Sans Frontières. She speaks English, German, Mandarin, and Taiwanese.
Conflicts of interest
Dr Knöbel is co-founder and Medical Director of MedicalCert, operated by Nobel Medical LLC. No other conflicts of interest declared.
Bio verification
This biography was last verified on 31 May 2026.
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