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Mark Thieberg, MD
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78 Patient Reviews
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Office Hours

  • Mon:7:00am - 5:00pm
  • Tue:7:00am - 5:00pm
  • Wed:7:00am - 5:00pm
  • Thu:7:00am - 5:00pm
  • Fri:7:00am - 5:00pm
  • Sat:8:00am - 12:00pm

Mark Thieberg, MD

Dermatologist - General

Highlights

  • Board Certified
  • Has Online Scheduling

Biography

Dr. Thieberg was nominated for D Magazine's Best Docs in 2024, 2023, 2020, 2019, 2018, 2010, 2007, 2006, 2004.Dr. Thieberg has been named a Best Doctor in Collin County by D Magazine in 2024, 2023, 20… Read more ›

Featured Review See More Reviews

Professional, courteous, experienced…

Anonymous

Summary

Provider Training

UniversityDegreeFocusGraduated
Mount Sinai School of MedicineDoctorateOther1990
Northwestern Memorial HospitalDoctorateOther1991
University of IA Hospitals & ClinicsDoctorateOther1994

InstitutionFocusYear
Internship - Northwestern University / McGaw Medical Center GMEInternal Medicine1991
Internship - Northwestern Memorial HospitalInternal Medicine (Preliminary Medicine)1991
Residency - University of IA Hospitals & ClinicsDermatology1994

CertificationCert. BodyYear
DermatologyDermatologyNot Specified

Practice & Hospital Affiliations

  • Baylor Medical Center At Garland
       Garland, Texas - 75042

Photos

Provider Profile 0Provider Profile 1

Specialties

Languages Spoken
English
Medical Specialties
  • Dermatologist

Dermatology

Years In Practice: 29 (started in 1997)

Accepts New Patients: Yes

Payment Options

Payment Details

Reviews

Average Rating: 5
Number of Reviews: 78
Most Recent Review: 01/13/2026
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Office & Staff Evaluation

Ease of Getting an Appointment
Courtesy of Practice Staff Not rated
Office Appearance & Atmosphere
Handling of Billing Matters Not rated
Average Wait Time Not Rated

Provider Evaluation

Willingness to Spend Time with You
Listening Skills
Clear Explanations
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Verified Patient

“Professional, courteous, experie...”

Professional, courteous, experienced

Anonymous 01/13/2026
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Verified Patient

“Repeat customer!...”

Repeat customer!

Anonymous 01/08/2026
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Verified Patient

“Dr T is a thoughtful and thoroug...”

Dr T is a thoughtful and thorough medical professional!

Anonymous 01/08/2026
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Verified Patient

“I always feel confident I have r...”

I always feel confident I have received a thorough exam from Dr. Thieberg.

Anonymous 01/01/2026
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Verified Patient

“Six months ago he removed a smal...”

Six months ago he removed a small mole on my back he thought could develop into a bigger problem. My check up was clear and I do not need to return until a year from now.

Anonymous 12/23/2025
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Verified Patient

“Dr. Thieberg is professional, fr...”

Dr. Thieberg is professional, friendly, and provides confidence.

Anonymous 01/10/2026
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Verified Patient

“Dr. Theiberg is always thorough ...”

Dr. Theiberg is always thorough and listens. I have recommended him to others several times. They have all been happy with his service.

Anonymous 01/08/2026
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Verified Patient

“He's been my Derm for a long tim...”

He's been my Derm for a long time. He's very busy and was a little delayed but worth the wait.

Anonymous 01/06/2026
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Verified Patient

“Best dermatologist I have ever h...”

Best dermatologist I have ever had.

Anonymous 12/25/2025
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Verified Patient

“Dr. Thieberg is amazing and one ...”

Dr. Thieberg is amazing and one of the doctors I go to. He is great treating me and is fun to visit. He has a great "bed-side" manner. Funny and concerned. I have already recommended him to others.

Anonymous 12/20/2025
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Affiliated Practices

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Rachel Lawrence, AGACNP, FNP   -   Nurse Practitioner
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Prathyusha Chitrapu, MD   -   Internal Medicine Physician
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Procedures & Services

Procedures & Treatments Offered

    Commonly Prescribed Medications

    Mark Thieberg, MD has not yet listed the medications that he commonly prescribes.

    Accepted Insurance

    Accepted Insurance

    Mark Thieberg, MD has not yet specified the insurance plans he accepts.
     

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