Summary

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.

Quick Facts

  • accepting new patients
  • 5
  • 11 years of experience
  • 27 insurance plans accepted
  • speaks English
  • University of Texas Health Science Ctr-San Antonio
  • 4 written reviews
  • 2 specialties
  • 7 areas of expertise
  • 1 hospital affiliation
  • 1 office location
  • Female

Patients’ Perspective

  • Had a good bedside manner
  • Spent time with me
  • Flexible scheduling

Office Location

Baylor Scott & White Specialty Clinic - Lakeway

200 Medical PkwyLakeway, TX 78738
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. Mary Theoktisto, MDDr. Saroj Subedi, MDDr. Youness Hussein, MDDr. Patrick Paul Spicer, MD
Infectious DiseaseHospital MedicineNephrologyPhysical Medicine & Rehabilitation
Accepts New Patients Accepts New Patients
11 Years of Experience 24 Years of Experience 16 Years of Experience 12 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English
Lakeway , TXPhoenix , AZRound Rock , TXFrisco , TX
Med School: St. Georges University (Education) Med School: Manipal College Of Medical Sciences (Mcoms) Med School: AMERICAN UNIVERSITY OF BEIRUT Med School: BAYLOR COLLEGE OF MEDICINE
Current Profile
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Insurance Plans Accepted by Dr. Mary Theoktisto

  • Aetna
  • Aetna - PPO
  • Alameda Alliance for Health
  • APWU
  • Baylor Scott & White Health Plan
  • Blue Cross Blue Shield of Texas
  • CHAMPVA
  • Cigna
  • FirstCare Health Plans
  • Humana
  • Humana - PPO
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Mutual of Omaha
  • Oscar Health Insurance
  • Superior HealthPlan - Medicaid (Managed)
  • Tricare
  • Triwest Healthcare Alliance
  • UnitedHealthcare
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - PPO
  • US Family Health Plan
  • Wellcare

Medical Specialties

Dr. Mary Theoktisto has the following 2 specialties

Specialty Expertise

Dr. Mary Theoktisto has the following 7 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Internal Medicine
  • Physical
  • Vaccination
  • Weight Loss

Certifications, License, & Education

11 Years Experience

MEDICAL LICENSE

Medical Doctor, Texas, 2027, Active

EDUCATION & TRAINING

Fellowship

University of Texas Health Science Ctr-San Antonio2020

Residency

Dell Seton Medical Center at University of Texas2018
Dell Seton Medical Center at University of Texas2016

Medical School

St. Georges University (Education)Graduated in 2015

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Frequently Asked Questions

Is Dr. Mary Theoktisto accepting new patients?
Dr. Mary Theoktisto is accepting new patients on Vitals. View Dr. Mary Theoktisto's profile on Vitals to make an appointment.
Does Dr. Mary Theoktisto accept my insurance?
You can see the insurance plans that Dr. Mary Theoktisto accepts on their Vitals profile.
How can I make an appointment with Dr. Mary Theoktisto?
You can find contact information for Dr. Mary Theoktisto here on Vitals.
Which hospitals is Dr. Mary Theoktisto affiliated with?
Dr. Mary Theoktisto is affiliated with Dell Seton Medical Center At The University Of Texas.
What languages does Dr. Mary Theoktisto speak?
Dr. Mary Theoktisto speaks English.

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