Penn Medicine Provider
Dermatology
Allen Si Won Oak, MD
4.4
(114)
Accepting new patients
Sees patients age 18 and up
Penn Dermatology Perelman
Schedule onlineCall 215-662-2737

About me

  • Instructor A of Dermatology
  • Postdoctoral Researcher of Dermatology

Education and training

  • Medical School: University of Alabama
  • Residency: Wake Forest Baptist Medical Center
  • Residency: University of Alabama at Birmingham (UAB Hospital)

What my patients think about me

Average Rating
4.4

114 reviews

Comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Penn Medicine.

April 2025
5.0
5.0
great doctor
April 2025
5.0
5.0
the doctor was very professional, as well as informative and very clear. he took his time to explain.
March 2025
5.0
5.0
little antagonism and rather understanding.
March 2025
4.0
4.0
couldn't help me

Insurance accepted

My Locations

Learn about location

Penn Medicine hospital privileges

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Pennsylvania Hospital: Has privileges to treat patients in the hospital.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.
Dr. Oak is a Penn Medicine physician.

Qualifications and experience