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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 (0)

The overall average patient rating of Dr. Woo Ahn is Excellent. Dr. Ahn has been reviewed by 1 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Specialties & Research

  • He has special expertise in 2 areas:
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Lung Cancer

Education & Awards

Dr. Ahn graduated from Seoul National University.


Dr. Ahn has 2 hospital affiliations:

  • Tri-City Regional Medical Center 
  • Lakewood Regional Medical Center 


  • Korean

> > > > Dr. Woo Ahn, MD

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Additional Information
Dr. Woo Sung Ahn MD is a male Internist, has 36 years of experience and practices in Internal Medicine.
Where does Dr. Woo S. Ahn practice?
Dr. Woo Ahn has 1 office location.
Dr. Woo Ahn practices Internal Medicine near Lakewood, CA.
See Lakewood Internists.