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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 (4)

The overall average patient rating of Dr. Lee Portnoff is Excellent. Dr. Portnoff has been reviewed by 13 patients who have provided 4 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 4.8
Follows Up After Visit 5.0

Specialties & Research

Dr. Lee Portnoff, MD is board certified in Dermatology.

  • He has special expertise in 5 areas:
  • Acne (Acne Vulgaris)
  • Acne Rosacea
  • Melanoma
  • Psoriasis
  • Skin Cancer

Education & Awards

Dr. Portnoff graduated from Washington University at St. Louis, Saint Louis. He has 3 awards.

Patients' Choice Award (2008 - 2009, 2015)
Compassionate Doctor Recognition (2015)
On-Time Doctor Award (2015)


Dr. Portnoff has 6 hospital affiliations:

  • St Lukes Hospital 
  • Missouri Baptist Medical Center 

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Additional Information
Dr. Lee S Portnoff MD is a male Dermatologist, has 34 years of experience and practices in Dermatology.
Where does Dr. Lee S. Portnoff practice?
Dr. Lee Portnoff has 1 office location.
Dr. Lee Portnoff practices Dermatology near Saint Louis, MO.
See Saint Louis Dermatologists.