Dr Mariana Dumitriu

Occupational Health Physician

GMC Registered Doctor & OEUK Certified Medicals in Gibraltar

Dr Mariana Dumitriu (MD, DOccMed, MSOM, FRSPH, MAcadMEd, DipHypCS, DipPC) is a highly experienced Occupational Health Physician, Medical Educator and Appraiser in Gibraltar with over 25 years of diverse clinical practice.

Her extensive background spans corporate health, general practice, disability medicine and forensic medicine, making her a trusted medical advisor and GMC Responsible Officer for local businesses.

She provides specialized occupational health services in Gibraltar, delivering practical, evidence-based solutions that protect employee wellbeing, improve organizational performance and ensure full compliance with regulatory standards. Her approach combines deep clinical expertise with a strong understanding of workplace demands, enabling fair, balanced and informed decision-making for both employers and employees.

What truly sets Dr Dumitriu apart as a corporate doctor in Gibraltar is her specialist capability to deliver integrated physical and mental health assessments. Backed by advanced training in psychotherapy, hypnotherapy and counselling, she expertly addresses both the physical and psychological factors impacting workplace performance. This dual expertise ensures legally and clinically robust outcomes, particularly when managing complex stress, anxiety or long-term sickness absence cases for Gibraltar employers.

  • Fitness-for-Work Assessments: Independent, clinically robust medical evaluations to determine if an employee can perform their role safely, helping Gibraltar businesses manage workplace safety and liability.

  • Sickness Absence & Case Management: Expert corporate medical advice on complex health conditions, long-term sickness absence, rehabilitation, and structured return-to-work planning.

  • Safety-Critical Medicals in Gibraltar: Specialized medical assessments tailored for high-risk roles, MOD personnel, DVLA compliance, and safety-critical operations.

  • OEUK Medicals Gibraltar: As an OEUK Registered Doctor, Dr. Dumitriu provides certified offshore medical tracking and assessments for maritime and energy sector workers operating out of Gibraltar and international waters.

  • Workplace Health & Corporate Wellness: Strategic support to help Gibraltar companies design healthy, productive work environments and prevent work-related illnesses.

  • Clinical Governance & Medical Leadership: Expert guidance on healthcare governance frameworks, quality assurance, and compliance with CQC and SEQOHS standards.

  • Diploma in Occupational Medicine (DOccMed)

  • OEUK Registered Doctor (Offshore Energies UK)

  • GMC Registered Doctor & Responsible Officer (UK General Medical Council)

  • Certified Medical Appraiser

  • Fellow of the Royal Society for Public Health (FRSPH)

  • Member of the Academy of Medical Educators (AoME)

  • Registered with the Information Commissioner’s Office (ICO)