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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 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

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

  • He has special expertise in 1 area:
  • Flu (Human Influenza)

Education & Awards

Dr. Koo graduated from Yeshiva University, Bronx. He has 3 awards.

Patients' Choice Award (2012, 2014)
Bridges to Excellence Recognition
Bridges to Excellence Medical Home Recognition (2014 - 2017)
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 30 years of experience and practices in Internal Medicine.
Where does Dr. Jim L. Koo practice?
Dr. Jim Koo has 7 office locations.
Dr. Jim Koo practices Internal Medicine near Mount Kisco, NY.
Additional practice locations include: Yorktown Heights, NY.
See Mount Kisco Internists.