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. Gregory Krastein:
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Specialties & Research
Dr. Gregory Krastein, MD is board certified in Nephrology.
Education & Awards
Dr. Krastein graduated from George Washington University. He has 2 awards.
Dr. Krastein has 2 hospital affiliations:
- Kaiser Permanente Woodland Hills Medical Center
- St. John's Regional Medical Center
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- Additional Information
- Dr. Gregory Krastein MD is a male Nephrologist, has 23 years of experience and practices in Nephrology.
- Where does Dr. Gregory Krastein practice?
- Dr. Gregory Krastein has 1 office location.
Dr. Gregory Krastein practices Nephrology near Oxnard, CA.
See Oxnard Nephrologists.