For patients in between jobs or facing financial hardship, you will have an option to provide financial documents and apply for assistance. ... Adriana Guerra, MD (not currently accepting new patients, only her established patients are able to enroll) ... 711 W. 38th St. Suite F3 Austin, TX 78705 PRIVACY POLICY. Ph: 512-910-3800 Fax: 512-824 ...Forms‧Insurance‧Amy Kowalski, ACNS-BC‧Tracy Hill, PA-C‧Sara Strother, RN, MSN, FNP-C‧Adriana Guerra, MD.