Oya Consulting
- Provides healthcare executive, physician leadership, and physician entrepreneur coaching; site includes links to publications, teleconferences, speaking services.
- http://www.oyaconsulting.com/

Organization for Hospital Excellence
- Offers services and tools to improve hospital operations through alignment of people, infrastructure and processes to performance goals; programs include the Healthcare Organizational Topograph Assessment tool.
- http://www.hospitalexcellence.org/ohe/index.jsp

Optometry Practice Management & Consulting
- Provides management support to individuals and organizations; services include ophthalmic practices for sale, brokerage services for buyers or sellers, partner buy-ins and mergers, plus consulting, appraisals and assistance with practice acquisition loans
- http://www.practiceconcepts.com

Oncology Management Consulting Group
- Provides consulting and operational oncology mananagement support to health care providers; services include billing and coding review, financial assessment, mentoring, leadership training, interim management services, and educational programs.
- http://oncologymgmt.com

Ofstead Insights
- Provides support in clinical and marketing communications to healthcare organizations; services include expert analysis, research, customized seminars, and relevant publications.
- http://www.ofsteadinsights.com

Orton
- Evaluates feasibility of technological applications for rehabilitation medicine; site includes links to relevant research resources.
- http://www.orton.fi/

Optimal Insights
- Assists health care organizations in the utilization of networking technology to deliver services by sending medical information securely over the Internet.
- http://www.optimalinsights.com/

Oxford Health Consulting
- Specializes in applying research evidence to health practice.
- http://www.oxfordhealth.co.uk/

OB-GYN Consulting
- Consulting services for physicians, pharmaceutical organizations, and medical device companies. Programs include advice on clinical trials, expert trial testimony and malpractice claims review, practice management, and business consultation.
- http://www.obgynconsulting.com

Operating Room Management Consultants
- Provides operational management, program development, utilization analysis, and staffing support to reduce operating room costs and increase productivity.
- http://www.operatingroomconsultant.com/

O'Connor Health Care Consulting
- Offers health care consulting, marketing communications and policy analysis services to healthcare industry, insurance and consumer advocacy clients.
- http://www.oconnorhealthanalyst.com/

OcchNet Ltd.
- Assists occupational health, safety, and hygiene providers implement practical health & safety solutions, reduce risk, and improve compliance.
- http://www.ldb.co.uk/healthandsafety.htm