Although our members are scattered across the globe, our WorldClinic physician team operates like a conventional private medical practice. Each physician has a unique background and areas of special interest but all hold our core values of accountability, personal service, and clear personable communication. All of the WorldClinic physicians are board certified in their specialties, and are affiliated with leading medical centers across the United States.

When you join WorldClinic, you will be assigned an individual physician. This physician is responsible for both your (and your families) health and personal satisfaction. If your schedule permits, your WorldClinic physician will visit you in person to introduce themselves and answer your questions. From that moment forward, the physician team at WorldClinic is on call to you as your own personal medical resource.

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  Dr. Dan Carlin
  Daniel Carlin M.D. established WorldClinic in 1998. Drawing on years of experience as a medical officer in the US Navy and later as an expatriate volunteer, he designed WorldClinic to meet the needs of people whose work and lifestyle frequently took them out of contact with modern medical care. Since then, he has become a recognized leader in using the Internet and telecommunications to deliver quality medicine. In 1985, he obtained his M.D. from Tufts University School of Medicine, after receiving a Bachelors degree in Chemistry and Philosophy from Carnegie-Mellon University. He is board certified in Emergency Medicine and holds a staff appointment at the Lahey Clinic in suburban Boston.
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  Dr. Kevin O'Toole
  Kevin O'Toole M.D. is a board certified emergency physician with an extensive range of practice experience including time spent as a cruise ship physician and later as a physician crewmember of a helicopter medical rescue team. He is a recognized field leader in the area of Dive Medicine and Hyperbaric Therapy. As a member of the WorldClinic medical staff, his expertise is often brought to bear in medical planning and short-term physician staffing of special events in remote locations.
  Dr. O'Toole is a 1979 graduate of Pennsylvania State University. He completed medical school (1983) and his residency training at the University of Pittsburgh in 1986.
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  Dr. Susan Dunmire
  Dr. Susan Dunmire has over twenty years of experience as an academic emergency medicine physician in a busy urban Level 1 trauma center. Her career has focused on education, in particular using human simulation as a training tool for health professionals. She teaches two large medical school courses, Get Ready for Residency and Emergency Medicine. Dr Dunmire has also authored a textbook entitled, Atlas of Emergency Procedures, as well as chapters in many of the textbooks used in the field of emergency medicine.
  Dr. Dunmire is board certified in emergency medicine. She graduated from the University of Pittsburgh School of Medicine in 1985 and completed her emergency medicine residency at the University of Pittsburgh Affiliated Residency in Emergency Medicine in 1988.
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  Dr. Tatiana Hamawi
  Tatiana Hamawi M.D. is board certified in both internal medicine and pediatrics. In the context of her regular practice, she cares for both infants and octogenarians, commanding an unusually large breadth of medical knowledge across all ages. Her many other professional interests include web page design for doctors and novel ways of using e-mail and the Internet to communicate with her patients.
  She is a 1994 graduate of the Mount Sinai School of Medicine and completed her residency training in pediatrics and internal medicine at the University of Massachusetts in 1998. She holds a Bachelor of Science degree in Microbiology from the University of Massachusetts.
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  Dr. Michael Jacobs
  Michael Jacobs M.D. is an experienced multi-specialty physician with board certification in both internal medicine and gastroenterology. As a senior attending physician at Martha's Vineyard Hospital, he has a long-standing interest in the delivery of medical care to islands and remote stations. He is also a well-recognized author of numerous articles and books on marine and maritime medical care.
  Dr. Jacobs graduated from medical school at S.U.N.Y. Downstate Medical Center in 1967. In the course of his career he has held clinical positions at the National Institutes of Health (Bethesda, MD), Columbia-Presbyterian hospital (New York, NY) and Beth Israel Hospital (Boston, MA).
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  Dr. Steve Hasley
  Dr. Hasley attended Oberlin College for his undergraduate work, and graduated cum laude from University of Pittsburgh School of Medicine, where he worked with Jack Myers and Randy Miller on the Internist/Caduceus program. He did his OBGYN training at Magee-Womens Hospital in Pittsburgh, and then entered private practice. During that time, he developed a risk assessment software package for OBGYN that was marketed by the Pennsylvania Medical Society Liability Insurance Corporation. In 2006, he closed his practice, and joined E&C Medical Intelligence, a vendor of a high level EMR/DSS for inpatient obstetrics. He is currently the Associate Medical Director, Clinical Interoperability Decision Support at UPMC, as well as Clinical Assistant Professor, Department of OB/GYN/RS, and Department of Biomedical Informatics.
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  Dr. Karen McKoy
  Karen McKoy M.D. is a medical dermatologist on the Lahey Clinic Senior Staff and affiliated with Harvard and Tufts Medical Schools since 1980. She is board certified in internal medicine and dermatology with her medical training at the University of Alabama and Yale, and her dermatology training at Harvard. She has also done post-graduate training in medical informatics through the National Library of Medicine fellowship at the Marine Biological Institute and has recently earned a Master of Public Health in International Health at the Harvard School of Public Health. Other recent work includes serving as a research consultant for the Ehealth working group of the Canadian National Research Council's Institute for Information Technology. She has also served as a medical director for Logical Images in Rochester, NY and continues to work at Lahey Clinic in Burlington, MA. Her international volunteer work has focused on dermatology education and teledermatology work with the International Society of Teledermatology.