Mark Thieberg, MD

University	Degree	Focus	Graduated
Mount Sinai School of Medicine	Doctorate	Other	1990
Northwestern Memorial Hospital	Doctorate	Other	1991
University of IA Hospitals & Clinics	Doctorate	Other	1994

Institution	Focus	Year
Internship - Northwestern University / McGaw Medical Center GME	Internal Medicine	1991
Internship - Northwestern Memorial Hospital	Internal Medicine (Preliminary Medicine)	1991
Residency - University of IA Hospitals & Clinics	Dermatology	1994

Certification	Cert. Body	Year
Dermatology	Dermatology	Not Specified

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Review by Anonymous on August 06, 2025 -

Baylor Scott & White Dallas Diagnostic Association - Plano - 4716 Alliance Blvd Pavilion II

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 - “ Thorough, accurate in diagnosis,... ”

Thorough, accurate in diagnosis,pleasant, caring and helpful

Verified Patient

“Thorough, accurate in diagnosis,...”

Thorough, accurate in diagnosis,pleasant, caring and helpful

Anonymous 08/06/2025

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Review by Anonymous on August 02, 2025 -

Baylor Scott & White Dallas Diagnostic Association - Plano - 4716 Alliance Blvd Pavilion II

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 08/02/2025

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Review by Anonymous on July 26, 2025 -

Baylor Scott & White Dallas Diagnostic Association - Plano - 4716 Alliance Blvd Pavilion II

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 - “ Takes a personal interest in wha... ”

Takes a personal interest in whatever problem you are dealing with

Verified Patient

“Takes a personal interest in wha...”

Takes a personal interest in whatever problem you are dealing with

Anonymous 07/26/2025

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Review by Anonymous on July 18, 2025 -

Baylor Scott & White Dallas Diagnostic Association - Plano - 4716 Alliance Blvd Pavilion II

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 - “ Patient of his for many years- s... ”

Patient of his for many years- same professionalism.

Verified Patient

“Patient of his for many years- s...”

Patient of his for many years- same professionalism.

Anonymous 07/18/2025

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Review by Anonymous on July 16, 2025 -

Baylor Scott & White Dallas Diagnostic Association - Plano - 4716 Alliance Blvd Pavilion II

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 patient.... ”

Knowledgeable and patient.

Verified Patient

“Knowledgeable and patient....”

Knowledgeable and patient.

Anonymous 07/16/2025

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Review by Anonymous on August 05, 2025 -

Baylor Scott & White Dallas Diagnostic Association - Plano - 4716 Alliance Blvd Pavilion II

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 - “ Listens and is willing to satisf... ”

Listens and is willing to satisfy.

Verified Patient

“Listens and is willing to satisf...”

Listens and is willing to satisfy.

Anonymous 08/05/2025

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Review by Anonymous on August 02, 2025 -

Baylor Scott & White Dallas Diagnostic Association - Plano - 4716 Alliance Blvd Pavilion II

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 - “ When I have an appointment with ... ”

When I have an appointment with Dr. Thieberg and I need help with something he is great at pinpointing how to best address the problem. I appreciate that he takes the time to do this.

Verified Patient

“When I have an appointment with ...”

When I have an appointment with Dr. Thieberg and I need help with something he is great at pinpointing how to best address the problem. I appreciate that he takes the time to do this.

Anonymous 08/02/2025

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Review by Anonymous on July 22, 2025 -

Baylor Scott & White Dallas Diagnostic Association - Plano - 4716 Alliance Blvd Pavilion II

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 - “ Greeted with a smile, great care... ”

Greeted with a smile, great care

Verified Patient

“Greeted with a smile, great care...”

Greeted with a smile, great care

Anonymous 07/22/2025

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Review by Anonymous on July 17, 2025 -

Baylor Scott & White Dallas Diagnostic Association - Plano - 4716 Alliance Blvd Pavilion II

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 - “ Great... ”

Great

Verified Patient

“Great...”

Great

Anonymous 07/17/2025

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Review by Anonymous on July 07, 2025 -

Baylor Scott & White Dallas Diagnostic Association - Plano - 4716 Alliance Blvd Pavilion II

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 solved all of my skin problem... ”

He solved all of my skin problems

Verified Patient

“He solved all of my skin problem...”

He solved all of my skin problems

Anonymous 07/07/2025

Office Hours

Dermatologist - General

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Baylor Scott & White Dallas Diagnostic Association - Plano

Practice Colleagues

Gary Hoss, MD - Internal Medicine Physician

Prathyusha Chitrapu, MD - Internal Medicine Physician

Stephanie Sbong, MD - Internal Medicine Physician

Richard Chen, MD - Internal Medicine Physician

Hina Chaudhry, MD - Internal Medicine Physician

Seungjong Yoo, MD - Internal Medicine Physician

Aaron Glover, PA - Physician Assistant

Jessica Perkins, FNP - Family Medicine Physician, Internal Medicine Physician, Nurse Practitioner

Mythili Venkataraman, MD - Internal Medicine Physician

Lauren Alexander, FNP - Family Medicine Physician, Internal Medicine Physician, Nurse Practitioner

Procedures & Services

Procedures & Treatments Offered

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Accepted Insurance