Passport Health is the largest provider of travel medical services in North America with more than 270 clinics in the U.S., C ... anada, and Mexico. Although Passport Health got its start working with international travelers, universities, and international aid groups, the company has increasingly been able to leverage its large nationwide network to service the vaccination and related healthcare needs of large corporations, government agencies, and other organizations. Our experienced clinicians have completed rigorous training in the fields of travel medicine and immunology to ensure our clients and patients stay informed, healthy, and well during their time abroad. read more