Tres Barrera, MD

University	Degree	Focus	Graduated
University of Texas Health Science Center at Houston	Doctorate	MD	2006
Baylor College of Medicine (Education)	Other Degree	Other	2011

Institution	Focus	Year
Residency - University of Colorado Health Sciences Center	Internal Medicine	2009
Fellowship - Baylor College of Medicine	Endocrinology, Diabetes, & Metabolism	2011
Internship - University of Colorado Health Sciences Center	Internal Medicine	2007

Certification	Cert. Body	Year
Internal medicine Sub-Specialty: Endocrinology, Diabetes and Metabolism	Internal Medicine	Not Specified

Role	Organization	Time
Member	American Association of Clinical Endocrinologists	Present
Member	The Endocrine Society	Present

Open full review

Review by Anonymous on January 02, 2026 -

Baylor Scott & White Clinic - Georgetown - 4945 Williams Dr

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ I always have such an enjoyable ... ”

I always have such an enjoyable experience with Dr Barerra

Verified Patient

“I always have such an enjoyable ...”

I always have such an enjoyable experience with Dr Barerra

Anonymous 01/02/2026

Open full review

Review by Anonymous on January 01, 2026 -

Baylor Scott & White Clinic - Georgetown - 4945 Williams Dr

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ All good thank you... ”

All good thank you

Verified Patient

“All good thank you...”

All good thank you

Anonymous 01/01/2026

Open full review

Review by Anonymous on December 20, 2025 -

Baylor Scott & White Clinic - Georgetown - 4945 Williams Dr

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr. Barrera is very thorough and... ”

Dr. Barrera is very thorough and he listens and doesn't rush.

Verified Patient

“Dr. Barrera is very thorough and...”

Dr. Barrera is very thorough and he listens and doesn't rush.

Anonymous 12/20/2025

Open full review

Review by Anonymous on December 13, 2025 -

Baylor Scott & White Clinic - Georgetown - 4945 Williams Dr

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Very professional... ”

Very professional

Verified Patient

“Very professional...”

Very professional

Anonymous 12/13/2025

Open full review

Review by Anonymous on November 24, 2025 -

Baylor Scott & White Clinic - Georgetown - 4945 Williams Dr

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ He is ALWAYS on time if not even... ”

He is ALWAYS on time if not even a little early for his appointments. Very thorough.

Verified Patient

“He is ALWAYS on time if not even...”

He is ALWAYS on time if not even a little early for his appointments. Very thorough.

Anonymous 11/24/2025

Open full review

Review by Anonymous on January 02, 2026 -

Baylor Scott & White Clinic - Georgetown - 4945 Williams Dr

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Love him!... ”

Love him!

Verified Patient

“Love him!...”

Love him!

Anonymous 01/02/2026

Open full review

Review by Anonymous on December 21, 2025 -

Baylor Scott & White Clinic - Georgetown - 4945 Williams Dr

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Good thorough doctor... ”

Good thorough doctor

Verified Patient

“Good thorough doctor...”

Good thorough doctor

Anonymous 12/21/2025

Open full review

Review by Anonymous on December 14, 2025 -

Baylor Scott & White Clinic - Georgetown - 4945 Williams Dr

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr Barrera, Listens to his pat... ”

Dr Barrera, Listens to his patients no matter what they need to talk about. He explains why he needs to change medication.

Verified Patient

“Dr Barrera, Listens to his pat...”

Dr Barrera, Listens to his patients no matter what they need to talk about. He explains why he needs to change medication.

Anonymous 12/14/2025

Open full review

Review by Anonymous on December 12, 2025 -

Baylor Scott & White Clinic - Georgetown - 4945 Williams Dr

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You
Listening Skills
Clear explanations Not rated
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr. Barrera is very patient and ... ”

Dr. Barrera is very patient and thorough He's takes his time and doesn't try to rush me out.

Verified Patient

“Dr. Barrera is very patient and ...”

Dr. Barrera is very patient and thorough He's takes his time and doesn't try to rush me out.

Anonymous 12/12/2025

Open full review

Review by Anonymous on November 22, 2025 -

Baylor Scott & White Clinic - Georgetown - 4945 Williams Dr

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr Barrera has been amazing help... ”

Dr Barrera has been amazing helping me get control of my diabetes. I would highly recommend him to all my friends and family. My daughter and her husband are switching to BSW for their health care needs

Verified Patient

“Dr Barrera has been amazing help...”

Anonymous 11/22/2025

Office Hours

Internal Medicine Physician - Endocrinology, Diabetes & Metabolism, Internal Medicine Physician - General

Highlights

Biography

Featured Review See More Reviews

Summary

Provider Training

Experience & Accolades

Photos

Specialties

Languages Spoken

Medical Specialties

Payment Options

Reviews

Office & Staff Evaluation

Provider Evaluation

Locations

Affiliated Practices

Baylor Scott & White Clinic - Georgetown

Baylor Scott & White Clinic - Round Rock 425 University

Practice Colleagues

Omer Yavuz, MD - Internal Medicine Physician

Dr Richard Mccoll, MD - Psychiatrist

Patrick Robinson, MD - Internal Medicine Physician

Katrina Powell, PA - Family Medicine Physician, Physician Assistant

Ashton Kannenberg, PA-C - Internal Medicine Physician, Physician Assistant

Allyson Mcdonough, MD - Internal Medicine Physician

Dominic Ricci, MD - Dermatologist

Li Sun, MD - Internal Medicine Physician

Imtiyaz Hakeem, MD - Internal Medicine Physician

Jennifer Clark, MD - Internal Medicine Physician

Procedures & Services

Procedures & Treatments Offered

Commonly Prescribed Medications

Accepted Insurance

Accepted Insurance