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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).

Learn more about Dr. Gregg Ishimoto:

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Specialties & Research

Dr. Gregg Ishimoto, MD is board certified in Family Medicine.

Education & Awards

Dr. Ishimoto graduated from University of Southern California , Los Angeles.


Dr. Ishimoto has 2 hospital affiliations:

  • Glenn Medical Center 
  • Colusa Regional Medical Center 

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Additional Information
Dr. Gregg Shoichi Ishimoto MD is a male Family Practitioner, has 5 years of experience and practices in Family Medicine.
Where does Dr. Gregg S. Ishimoto practice?
Dr. Gregg Ishimoto has 2 office locations.
Dr. Gregg Ishimoto practices Family Medicine near Willows, CA.
Additional practice locations include: Manitowoc, WI.
See Willows Family Physicians.