Alan Crowther, MD was raised in the Upper Peninsula of Michigan Brief highlights: Navy corpsman, Chemical engineer-process and computer systems engineer, Baylor College of Medicine, Navy physician, opened rural general medical clinic in South TX in 1987, started vein care in 2005, opened a vein clinic in San Antonio in 2008, for the past 6 years has worked for a large radiology group in San Antonio. Dr. Crowther provides all aspects of vein care in the clinic including H&P, ultrasound vein mapping, all treatments and follow up care. Credentials: Certified by the American Board of Venous and Lymphatic Medicine-2009, Ultrasound credentials Registered Vascular Technician (RVT), Registered Vascular Specialist (RVS), Registered Physician in Vascular Interpretation (RPVI).