ARA Diagnostic Imaging – San Marcos Medical Diagnostic Imaging Centers Diagnostic Centers Mammography Services MRI Centers Radiologists X-ray Labs 4.8 (263) Call Direction Website Reviews Share Share on Facebook Share on Linkedin Share on X Copy link (512) 392-1831 Direction Website Reviews 1348 Texas 123 South, 1348 Texas Hwy 123 Ste B San Marcos , TX 78666