Biography

Dr. Mary Theoktisto is a board-certified physician, specializing in infectious diseases. Her professional interests include antimicrobial stewardship, hospital epidemiology and travel medicine.

She is passionate about solving complex problems, healing her adult patients and helping to prevent the spread of infections. She believes in making a tangible difference in patients' lives.


Dr. Theoktisto is a proud member of the Infectious Diseases Society of America and the Society for Healthcare Epidemiology of America.

Outside of work, she enjoys spending time with family, hiking, mountain biking, gardening and traveling.

Dr. Theoktisto has been recognized as a Top Doc 2024, 2025, and 2026 by Austin Monthly Magazine. Winners are nominated by their peers as among the best in their region/nation in their medical speciality.

Ages Seen

Adults
Geriatrics

Language(s) Spoken

English

Education

Education: St. Georges University (2015)
Internship: Internal Medicine, Dell Seton Medical Center at University of Texas (2016)
Residency: Internal Medicine, Dell Seton Medical Center at University of Texas (2018)
Fellowship: Infectious Disease, University of Texas Health Science Ctr-San Antonio (2020)

Certifications

Infectious Disease - American Board of Internal Medicine
Internal Medicine - American Board of Internal Medicine

Hospital Affiliations

Baylor Scott & White Medical Center - Taylor
Baylor Scott & White Medical Center - Pflugerville (Building 1)
Baylor Scott & White Medical Center - Buda
Baylor Scott & White Medical Center - Lakeway
Baylor Scott & White Medical Center - Austin
Baylor Scott & White Medical Center - Temple

Insurances accepted

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