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 October 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
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 - “ Everything was managed well. No ... ”

Everything was managed well. No wait time. Receptionists, nurses and doctor was helpful to me. Doctor Marshall was concerned and was all about trying to figure out my health problems.

Verified Patient

“Everything was managed well. No ...”

Everything was managed well. No wait time. Receptionists, nurses and doctor was helpful to me. Doctor Marshall was concerned and was all about trying to figure out my health problems.

Anonymous 10/11/2025

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Review by Anonymous on October 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 Not rated
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Very professional and provide gr... ”

Very professional and provide great care

Verified Patient

“Very professional and provide gr...”

Very professional and provide great care

Anonymous 10/04/2025

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Review by Anonymous on September 26, 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 was very personal a... ”

Dr. Marshall was very personal and took his time and made me at ease. Answered all my questions and I didn't feel rushed.

Verified Patient

“Dr. Marshall was very personal a...”

Dr. Marshall was very personal and took his time and made me at ease. Answered all my questions and I didn't feel rushed.

Anonymous 09/26/2025

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Review by Anonymous on September 19, 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 - “ Taken in at appointment time. Ve... ”

Taken in at appointment time. Very short wait.

Verified Patient

“Taken in at appointment time. Ve...”

Taken in at appointment time. Very short wait.

Anonymous 09/19/2025

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Review by Anonymous on September 18, 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 - “ Excellent... ”

Excellent

Verified Patient

“Excellent...”

Excellent

Anonymous 09/18/2025

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Review by Anonymous on October 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 - “ The entire staff very cordial fr... ”

The entire staff very cordial from the receptionist, nurse and of course Dr. Marshall.

Verified Patient

“The entire staff very cordial fr...”

The entire staff very cordial from the receptionist, nurse and of course Dr. Marshall.

Anonymous 10/04/2025

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Review by Anonymous on October 02, 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 - “ Always a pleasure to see Dr Mars... ”

Always a pleasure to see Dr Marshall, keeps me informed on everything about my health

Verified Patient

“Always a pleasure to see Dr Mars...”

Always a pleasure to see Dr Marshall, keeps me informed on everything about my health

Anonymous 10/02/2025

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Review by Anonymous on September 23, 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 - “ Excellent.... ”

Excellent.

Verified Patient

“Excellent....”

Excellent.

Anonymous 09/23/2025

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Review by Anonymous on September 18, 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 - “ Best Doctor for my heart doctor... ”

Best Doctor for my heart doctor

Verified Patient

“Best Doctor for my heart doctor...”

Best Doctor for my heart doctor

Anonymous 09/18/2025

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Review by Anonymous on September 16, 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 the best.... ”

Dr. Marshall is the best.

Verified Patient

“Dr. Marshall is the best....”

Dr. Marshall is the best.

Anonymous 09/16/2025

Office Hours

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

Highlights

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Affiliated Practices

Baylor Scott & White The Heart Group - McKinney

Baylor Scott & White The Heart Group - Sherman

Practice Colleagues

Syed Sarmast, MD - Internal Medicine Physician

Luis Bowen, MD - Internal Medicine Physician

Fayez Raza, MD - Internal Medicine Physician

Michael Isaac, MD - Internal Medicine Physician

Martin Weiss, DO - Hospitalist, Internal Medicine Physician

Robert Widmer, MD - Internal Medicine Physician

JARED Christensen, MD - Internal Medicine Physician

Procedures & Services

Procedures & Treatments Offered

Commonly Prescribed Medications

Accepted Insurance

Accepted Insurance