Winston Marshall, MD

University	Degree	Focus	Graduated
University of Texas Southwestern Medical School	Doctorate	Other	1993
Baylor University Medical Center	Doctorate	Other	1999

Institution	Focus	Year
Internship - Baylor University Hospital	Internal Medicine	1994
Internship - Baylor University Medical Center	Internal Medicine	1994
Fellowship - Baylor University Hospital	Cardiology and Interventional Cardiology	1999
Fellowship - Baylor University Medical Center	Cardiology	1999
Residency - Baylor University Hospital	Cardiology and Interventional Cardiology	1996
Residency - Baylor University Medical Center	Internal Medicine	1996

Certification	Cert. Body	Year
Internal medicine	Internal Medicine	Not Specified

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Review by Anonymous on November 12, 2025 -

Baylor Scott & White The Heart Group - McKinney - 5236 W University Dr Ste 4450

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 - “ Fantastic!!!... ”

Fantastic!!!

Verified Patient

“Fantastic!!!...”

Fantastic!!!

Anonymous 11/12/2025

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Review by Anonymous on November 06, 2025 -

Baylor Scott & White The Heart Group - McKinney - 5236 W University Dr Ste 4450

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 cares. Speaks "non-doctor" En... ”

He cares. Speaks "non-doctor" English when explaining; shows genuine concern.

Verified Patient

“He cares. Speaks "non-doctor" En...”

He cares. Speaks "non-doctor" English when explaining; shows genuine concern.

Anonymous 11/06/2025

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Review by Anonymous on November 01, 2025 -

Baylor Scott & White The Heart Group - McKinney - 5236 W University Dr Ste 4450

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 knowledgeable and welcoming... ”

Very knowledgeable and welcoming

Verified Patient

“Very knowledgeable and welcoming...”

Very knowledgeable and welcoming

Anonymous 11/01/2025

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Review by Anonymous on October 31, 2025 -

Baylor Scott & White The Heart Group - McKinney - 5236 W University Dr Ste 4450

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 listened and took action for ... ”

He listened and took action for my problems. Have a list in hand of topics to discuss. Time is money for them and solutions for us.

Verified Patient

“He listened and took action for ...”

He listened and took action for my problems. Have a list in hand of topics to discuss. Time is money for them and solutions for us.

Anonymous 10/31/2025

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Review by Anonymous on October 24, 2025 -

Baylor Scott & White The Heart Group - McKinney - 5236 W University Dr Ste 4450

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 Marshal is personable and kin... ”

Dr Marshal is personable and kind. Explains everything well and his staff is fantastic!!

Verified Patient

“Dr Marshal is personable and kin...”

Dr Marshal is personable and kind. Explains everything well and his staff is fantastic!!

Anonymous 10/24/2025

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Review by Anonymous on November 11, 2025 -

Baylor Scott & White The Heart Group - McKinney - 5236 W University Dr Ste 4450

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 - “ Dr. Marshall is the best Cardiol... ”

Dr. Marshall is the best Cardiologist around. Always has the best personality of a Dr I've ever been to and I have been to many!!

Verified Patient

“Dr. Marshall is the best Cardiol...”

Dr. Marshall is the best Cardiologist around. Always has the best personality of a Dr I've ever been to and I have been to many!!

Anonymous 11/11/2025

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Review by Anonymous on November 04, 2025 -

Baylor Scott & White The Heart Group - McKinney - 5236 W University Dr Ste 4450

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 Marshall is very knowledgeabl... ”

Dr Marshall is very knowledgeable, friendly, and quick.

Verified Patient

“Dr Marshall is very knowledgeabl...”

Dr Marshall is very knowledgeable, friendly, and quick.

Anonymous 11/04/2025

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Review by Anonymous on October 31, 2025 -

Baylor Scott & White The Heart Group - McKinney - 5236 W University Dr Ste 4450

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 - “ Through testing and understandin... ”

Through testing and understanding of my condition. Information shared was understandable

Verified Patient

“Through testing and understandin...”

Through testing and understanding of my condition. Information shared was understandable

Anonymous 10/31/2025

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Review by Anonymous on October 29, 2025 -

Baylor Scott & White The Heart Group - McKinney - 5236 W University Dr Ste 4450

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 - “ It was great.... ”

It was great.

Verified Patient

“It was great....”

It was great.

Anonymous 10/29/2025

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Review by Anonymous on October 24, 2025 -

Baylor Scott & White The Heart Group - McKinney - 5236 W University Dr Ste 4450

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 - “ Have been with Dr Marshal for ov... ”

Have been with Dr Marshal for over 23 years . . . Am LUCKY to have had his care for ALL these years . . .

Verified Patient

“Have been with Dr Marshal for ov...”

Have been with Dr Marshal for over 23 years . . . Am LUCKY to have had his care for ALL these years . . .

Anonymous 10/24/2025

Office Hours

Internal Medicine Physician - Interventional Cardiology, Internal Medicine Physician - Cardiovascular Disease

Highlights

Biography

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Summary

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Specialties

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Reviews

Office & Staff Evaluation

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Affiliated Practices

Baylor Scott & White The Heart Group - McKinney

Baylor Scott & White The Heart Group - Sherman

Practice Colleagues

Fayez Raza, MD - Internal Medicine Physician

Robert Widmer, MD - Internal Medicine Physician

Martin Weiss, DO - Hospitalist, Internal Medicine Physician

Michael Isaac, MD - Internal Medicine Physician

JARED Christensen, MD - Internal Medicine Physician

Syed Sarmast, MD - Internal Medicine Physician

Luis Bowen, MD - Internal Medicine Physician

Modar Alom, MD - Internal Medicine Physician

Paul Karagiannis, MD - Internal Medicine Physician

Procedures & Services

Procedures & Treatments Offered

Commonly Prescribed Medications

Accepted Insurance

Accepted Insurance