Mary Theoktisto, MD
5.0(13 reviews)
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Office Hours

  • Mon:8:00am - 5:00pm
  • Tue:8:00am - 5:00pm
  • Wed:8:00am - 5:00pm
  • Thu:8:00am - 5:00pm
  • Fri:8:00am - 5:00pm

Mary Theoktisto, MD
Internal Medicine Physician - Infectious Disease, Internal Medicine Physician - General

Highlights

  • Has Online Scheduling

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 … Read more ›

Featured Review See More Reviews

Dr. Theo is everything a doctor should be: knowledgeable, informative, caring, comfortable to be with, helpful, professional yet encouraging, gentle. No question is unimportant. She immediately puts us at ease. She never rushes through our time with her. We know we're in good hands with Dr. Theo! BS&W, the Austin area, and …

Anonymous

Summary

Provider Training

UniversityDegreeFocusGraduated
St. Georges University (Education)Other DegreeOther2015

InstitutionFocusYear
Fellowship - University of Texas Health Science Center-San AntonioInfectious Disease2020
Residency - Dell Seton Medical Center at University of TexasInternal Medicine2018
Internship - Dell Seton Medical Center at University of TexasInternal Medicine2016

Photos

Provider Profile 0

Specialties

Languages Spoken
English
Medical Specialties
  • Internal Medicine Physician - Sub-Specialty: Infectious Disease
  • Internal Medicine Physician

Accepts New Patients: Yes

Payment Options

Payment Details

Reviews

Average Rating: 5.0
Number of Reviews: 13
Most Recent Review: 07/09/2026
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Office & Staff Evaluation 5.0

Ease of Getting an Appointment 5.0
Courtesy of Practice Staff Not rated
Office Appearance & Atmosphere 5.0
Handling of Billing Matters Not rated
Average Wait Time Not Rated

Provider Evaluation 5.0

Willingness to Spend Time with You 5.0
Listening Skills 5.0
Clear Explanations 5.0
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Verified Patient

“Dr. Theo is everything a doctor ...”

Dr. Theo is everything a doctor should be: knowledgeable, informative, caring, comfortable to be with, helpful, professional yet encouraging, gentle. No question is unimportant. She immediately puts us at ease. She never rushes through our time with her. We know we're in good hands with Dr. Theo! BS&W, the Austin area, and all of her patients are extremely fortunate that we have her.

Anonymous 07/09/2026
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Verified Patient

“Dr Theo is kind, understanding, ...”

Dr Theo is kind, understanding, and has a great way to explain a complex issue to me. I feel like a left with a plan for care which is what I needed.

Anonymous 04/22/2026
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Verified Patient

“She is very thorough and nice...”

She is very thorough and nice

Anonymous 01/30/2026
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Verified Patient

“Excellent care!...”

Excellent care!

Anonymous 09/16/2025
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Verified Patient

“Dr Theoktisto is very patient an...”

Dr Theoktisto is very patient and understanding. She spent a lot of time with me explaining my situation

Anonymous 09/09/2025
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Verified Patient

“The doctor was very helpful and ...”

The doctor was very helpful and I'm waiting to hear back from her.

Anonymous 05/05/2026
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Verified Patient

“She is very caring and knowledge...”

She is very caring and knowledgeable.

Anonymous 04/21/2026
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Verified Patient

“A 100 percent awesome doctor...”

A 100 percent awesome doctor

Anonymous 09/25/2025
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Verified Patient

“Excellent!!...”

Excellent!!

Anonymous 09/12/2025
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Verified Patient

“She was very polite and Berry ma...”

She was very polite and Berry match. Explainable about my diagnosis. My blood test right away. Everything and turn back returned. My phone calls awesome thank you

Anonymous 08/19/2025
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Procedures & Services

Procedures & Treatments Offered

    Commonly Prescribed Medications

    Mary Theoktisto, MD has not yet listed the medications that she commonly prescribes.

    Accepted Insurance

    Accepted Insurance

    Mary Theoktisto, MD has not yet specified the insurance plans she accepts.