John Mercer, MD

University	Degree	Focus	Graduated
Louisiana State University Health Sciences Center	Doctorate	Other	1997
LSU School of Medicine	Doctorate	Other	1997
Eisenhower Army Medical Center	Doctorate	Other	1998

Institution	Focus	Year
Internship - Eisenhower Army Medical Center	Family Practice	1998
Residency - Eisenhower Army Medical Center	Family Medicine	2000

Certification	Cert. Body	Year
Family Medicine	Family Medicine	Not Specified

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Review by Anonymous on February 11, 2026 -

Baylor Scott & White Family Medicine - Wylie - 600 Cooper Dr Ste 100

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 the best! So caring and s... ”

He is the best! So caring and so attentive to my concerns.

Verified Patient

“He is the best! So caring and s...”

He is the best! So caring and so attentive to my concerns.

Anonymous 02/11/2026

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Review by Anonymous on January 23, 2026 -

Baylor Scott & White Family Medicine - Wylie - 600 Cooper Dr Ste 100

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. Mercer is very friendly/pers... ”

Dr. Mercer is very friendly/personable.

Verified Patient

“Dr. Mercer is very friendly/pers...”

Dr. Mercer is very friendly/personable.

Anonymous 01/23/2026

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Review by Anonymous on January 06, 2026 -

Baylor Scott & White Family Medicine - Wylie - 600 Cooper Dr Ste 100

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 - “ Most caring doctor. I moved 90 m... ”

Most caring doctor. I moved 90 miles away but will continue to see Dr. Mercer.

Verified Patient

“Most caring doctor. I moved 90 m...”

Most caring doctor. I moved 90 miles away but will continue to see Dr. Mercer.

Anonymous 01/06/2026

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Review by Anonymous on December 24, 2025 -

Baylor Scott & White Family Medicine - Wylie - 600 Cooper Dr Ste 100

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 attentive... ”

Very attentive

Verified Patient

“Very attentive...”

Very attentive

Anonymous 12/24/2025

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Review by Anonymous on December 17, 2025 -

Baylor Scott & White Family Medicine - Wylie - 600 Cooper Dr Ste 100

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 Mercer takes time to listen t... ”

Dr Mercer takes time to listen to my thoughts, which is very important. He never makes me feel rushed and he answers any questions I might have or my thoughts on a situation.

Verified Patient

“Dr Mercer takes time to listen t...”

Dr Mercer takes time to listen to my thoughts, which is very important. He never makes me feel rushed and he answers any questions I might have or my thoughts on a situation.

Anonymous 12/17/2025

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Review by Anonymous on January 26, 2026 -

Baylor Scott & White Family Medicine - Wylie - 600 Cooper Dr Ste 100

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 Mercer and his staff make goi... ”

Dr Mercer and his staff make going to the Dr Office Visit as enjoyable as it can be , Very polite and professional from the time you enter the waiting room until you leave.

Verified Patient

“Dr Mercer and his staff make goi...”

Dr Mercer and his staff make going to the Dr Office Visit as enjoyable as it can be , Very polite and professional from the time you enter the waiting room until you leave.

Anonymous 01/26/2026

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Review by Anonymous on January 14, 2026 -

Baylor Scott & White Family Medicine - Wylie - 600 Cooper Dr Ste 100

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 - “ Very thorough and caring... ”

Very thorough and caring

Verified Patient

“Very thorough and caring...”

Very thorough and caring

Anonymous 01/14/2026

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Review by Anonymous on December 30, 2025 -

Baylor Scott & White Family Medicine - Wylie - 600 Cooper Dr Ste 100

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 Mercer listened to me and got... ”

Dr Mercer listened to me and got me the medicine I needed

Verified Patient

“Dr Mercer listened to me and got...”

Dr Mercer listened to me and got me the medicine I needed

Anonymous 12/30/2025

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Review by Anonymous on December 18, 2025 -

Baylor Scott & White Family Medicine - Wylie - 600 Cooper Dr Ste 100

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 - “ Kind, caring, empathetic, liste... ”

Kind, caring, empathetic, listens

Verified Patient

“Kind, caring, empathetic, liste...”

Kind, caring, empathetic, listens

Anonymous 12/18/2025

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Review by Anonymous on December 10, 2025 -

Baylor Scott & White Family Medicine - Wylie - 600 Cooper Dr Ste 100

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 - “ Knowledgeable and easy to talk t... ”

Knowledgeable and easy to talk to

Verified Patient

“Knowledgeable and easy to talk t...”

Knowledgeable and easy to talk to

Anonymous 12/10/2025

Office Hours

Family Medicine Physician - General

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Baylor Scott & White Family Medicine - Wylie

Practice Colleagues

Travis Caudill, MD - Family Medicine Physician

Madeline Carson, DO - Family Medicine Physician

Lisa Nguyen, DO - Family Medicine Physician, General Practitioner

Anhkha Tran, DO - Family Medicine Physician

Procedures & Services

Procedures & Treatments Offered

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Accepted Insurance

Accepted Insurance