Mark Thieberg, MD

University	Degree	Focus	Graduated
Mount Sinai School of Medicine (Education)	Other Degree	Other	1990

Institution	Focus	Year
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

Open full review

Review by Anonymous on May 12, 2026 -

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 - “ Everything went well.... ”

Everything went well.

Verified Patient

“Everything went well....”

Everything went well.

Anonymous 05/12/2026

Open full review

Review by Anonymous on May 07, 2026 -

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!... ”

Excellent!

Verified Patient

“Excellent!...”

Excellent!

Anonymous 05/07/2026

Open full review

Review by Anonymous on May 05, 2026 -

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 - “ Always attentive & explains thin... ”

Always attentive & explains things well

Verified Patient

“Always attentive & explains thin...”

Always attentive & explains things well

Anonymous 05/05/2026

Open full review

Review by Anonymous on April 11, 2026 -

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 is very patient and thorough.... ”

He is very patient and thorough.

Verified Patient

“He is very patient and thorough....”

He is very patient and thorough.

Anonymous 04/11/2026

Open full review

Review by Anonymous on April 08, 2026 -

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! Dr. Theiberg Is a great p... ”

Great! Dr. Theiberg Is a great provider. He always follows up from visit to visit.

Verified Patient

“Great! Dr. Theiberg Is a great p...”

Great! Dr. Theiberg Is a great provider. He always follows up from visit to visit.

Anonymous 04/08/2026

Open full review

Review by Anonymous on May 08, 2026 -

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. Thieburg's office staff is a... ”

Dr. Thieburg's office staff is always so helpful and friendly. They do a great job of trying to accommodate getting me in quickly when needed. And Dr. Thieberg is just great all around!

Verified Patient

“Dr. Thieburg's office staff is a...”

Dr. Thieburg's office staff is always so helpful and friendly. They do a great job of trying to accommodate getting me in quickly when needed. And Dr. Thieberg is just great all around!

Anonymous 05/08/2026

Open full review

Review by Anonymous on May 07, 2026 -

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 effective and very good exp... ”

Very effective and very good experience

Verified Patient

“Very effective and very good exp...”

Very effective and very good experience

Anonymous 05/07/2026

Open full review

Review by Anonymous on April 28, 2026 -

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 - “ We are so grateful to feel confi... ”

We are so grateful to feel confident that we are in knowledgeable hands

Verified Patient

“We are so grateful to feel confi...”

We are so grateful to feel confident that we are in knowledgeable hands

Anonymous 04/28/2026

Open full review

Review by Anonymous on April 10, 2026 -

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 - “ Friendly, thorough... ”

Friendly, thorough

Verified Patient

“Friendly, thorough...”

Friendly, thorough

Anonymous 04/10/2026

Open full review

Review by Anonymous on April 08, 2026 -

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 - “ I appreciate the thorough full s... ”

I appreciate the thorough full skin examination and treatment of skin cancer sites.

Verified Patient

“I appreciate the thorough full s...”

I appreciate the thorough full skin examination and treatment of skin cancer sites.

Anonymous 04/08/2026

Office Hours

Dermatologist - General

Highlights

Biography

Featured Review See More Reviews

Summary

Provider Training

Practice & Hospital Affiliations

Photos

Specialties

Languages Spoken

Medical Specialties

Payment Options

Reviews

Office & Staff Evaluation

Provider Evaluation

Locations

Affiliated Practices

Baylor Scott & White Dallas Diagnostic Association - Plano

Practice Colleagues

Seungjong Yoo, MD - Internal Medicine Physician

Aishwarya Buvanendiran, MD - Internal Medicine Physician

Asha Tharakan, FNP - Nurse Practitioner

Daniel Smith, MD - Dermatologist

Hina Chaudhry, MD - Internal Medicine Physician

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

Kristin Dittrich, FNP - Family Medicine Physician, Nurse Practitioner

Raim Alyasiri, MD - Internal Medicine Physician

Armine Tumyan, MD - Internal Medicine Physician

Tara Mudambi, MD - Hospitalist, Internal Medicine Physician

Procedures & Services

Procedures & Treatments Offered

Commonly Prescribed Medications

Accepted Insurance

Accepted Insurance