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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 (2)

The overall average patient rating of Dr. Jim Koo is Excellent. Dr. Koo has been reviewed by 5 patients who have provided 2 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.3
Promptness 4.7
Courteous Staff 4.7
Accurate Diagnosis 4.7
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 4.0

Specialties & Research

Dr. Jim Koo, MD is board certified in Internal Medicine.

Education & Awards

Dr. Koo graduated from Yeshiva University, Bronx. He has 4 awards.

Patients' Choice Award (2012, 2014)
Compassionate Doctor Recognition (2014)
Bridges to Excellence Recognition
Physician Office Systems Recognition (2014 - 2016)
Level III
NCQA Physician Practice Connections - Patient Centered Medical Home (2014 - 2017)


Dr. Koo has 2 hospital affiliations:

  • Putnam Hospital Center 
  • Vassar Brothers Medical Center 

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Additional Information
Dr. Jim L Koo MD is a male Internist, has 31 years of experience and practices in Internal Medicine.
Where does Dr. Jim L. Koo practice?
Dr. Jim Koo has 1 office location.
Dr. Jim Koo practices Internal Medicine near Yorktown Heights, NY.
See Yorktown Heights Internists.