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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (14)

The overall average patient rating of Dr. William Posten, Dermatologist, Surgeon is Excellent. Dr. Posten has been reviewed by 21 patients who have provided 14 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.7
Promptness 4.5
Courteous Staff 4.7
Accurate Diagnosis 4.7
Bedside Manner 4.5
Spends Time with Me 4.5
Follows Up After Visit 4.5

Specialties & Research

Dr. William Posten, MD is board certified in Dermatology.

  • He has special expertise in 6 areas:
  • Acne (Acne Vulgaris)
  • Acne Rosacea
  • Melanoma
  • Mohs Surgery (Dermatological Surgery)
  • Psoriasis
  • Skin Cancer

Education & Awards

Dr. Posten graduated from Yale University, New Haven. He has 2 awards.

Patients' Choice Award (2010 - 2013)
Compassionate Doctor Recognition (2011 - 2014)


Dr. Posten has 15 hospital affiliations:

  • Harris Methodist H E B 
  • Medical City Dallas Hospital 


  • Spanish
  • Russian

> > > > Dr. William Posten, MD

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Additional Information
Dr. William David Posten MD is a male Dermatologist, has 11 years of experience and practices in Dermatology.
Where does Dr. William D. Posten practice?
Dr. William Posten has 4 office locations.
Dr. William Posten practices Dermatology near Dallas, TX.
Additional practice locations include: Lewisville, TX.
See Dallas Dermatologists.