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 December 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 - “ Professional and friendly... ”

Professional and friendly

Verified Patient

“Professional and friendly...”

Professional and friendly

Anonymous 12/07/2025

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Review by Anonymous on December 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 - “ Excellent disgnoticisn and liste... ”

Excellent disgnoticisn and listens to pstient

Verified Patient

“Excellent disgnoticisn and liste...”

Excellent disgnoticisn and listens to pstient

Anonymous 12/05/2025

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Review by Anonymous on December 04, 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 and excellent ... ”

Very professional and excellent doctor. I highly recommend

Verified Patient

“Very professional and excellent ...”

Very professional and excellent doctor. I highly recommend

Anonymous 12/04/2025

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Review by Anonymous on November 21, 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 thorough and takes time to ... ”

Very thorough and takes time to listen to any concers

Verified Patient

“Very thorough and takes time to ...”

Very thorough and takes time to listen to any concers

Anonymous 11/21/2025

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Review by Anonymous on November 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 - “ Dr Thieberg is knowledgeable and... ”

Dr Thieberg is knowledgeable and professional. He provides excellent care.

Verified Patient

“Dr Thieberg is knowledgeable and...”

Dr Thieberg is knowledgeable and professional. He provides excellent care.

Anonymous 11/18/2025

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Review by Anonymous on December 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 - “ Have seen Dr Thieberg for many y... ”

Have seen Dr Thieberg for many years and always appreciate his demeanor and expertise.

Verified Patient

“Have seen Dr Thieberg for many y...”

Have seen Dr Thieberg for many years and always appreciate his demeanor and expertise.

Anonymous 12/06/2025

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Review by Anonymous on December 04, 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 - “ One of the finest health care pr... ”

One of the finest health care providers I have ever had in my life

Verified Patient

“One of the finest health care pr...”

One of the finest health care providers I have ever had in my life

Anonymous 12/04/2025

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Review by Anonymous on November 28, 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 - “ Dr. Thieberg is the best. Always... ”

Dr. Thieberg is the best. Always throrough and very caring. His entire staff is also excellent.

Verified Patient

“Dr. Thieberg is the best. Always...”

Dr. Thieberg is the best. Always throrough and very caring. His entire staff is also excellent.

Anonymous 11/28/2025

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Review by Anonymous on November 20, 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 - “ Mark is tops in his profession; ... ”

Mark is tops in his profession; is patient, a good listener, a through examiner, and an expert at finding and fixing issues and explaining outcomes.I'm very happy in his care.

Verified Patient

“Mark is tops in his profession; ...”

Mark is tops in his profession; is patient, a good listener, a through examiner, and an expert at finding and fixing issues and explaining outcomes.I'm very happy in his care.

Anonymous 11/20/2025

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Review by Anonymous on November 18, 2025 -

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

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
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 - “ Everyone is so kind,caring and h... ”

Everyone is so kind,caring and helpful

Verified Patient

“Everyone is so kind,caring and h...”

Everyone is so kind,caring and helpful

Anonymous 11/18/2025

Office Hours

Dermatologist - General

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Baylor Scott & White Dallas Diagnostic Association - Plano

Practice Colleagues

Sayantani Lahiri, MD - Internal Medicine Physician

Kendra Rorrie, MD - Dermatologist

Kenda Ramirez, MD - Internal Medicine Physician

Prathyusha Chitrapu, MD - Internal Medicine Physician

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

Armine Tumyan, MD - Internal Medicine Physician

Kenneth Godsey, MD - Internal Medicine Physician

Samar Habash, MD - Internal Medicine Physician

Julie Parekh, MD - Internal Medicine Physician

Mythili Venkataraman, MD - Internal Medicine Physician

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Accepted Insurance