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. Greg Maddex:
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The overall average patient rating of Dr. Greg Maddex is Good.
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Education & Awards
Dr. Maddex graduated from Michigan State University College of Osteopathic Medicine, East Lansing.
Dr. Maddex has 3 hospital affiliations:
- San Antonio Community Hospital
- Doctors Hospital of West Covina
- Western Med Ctr Santa Ana
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- Additional Information
- Dr. Greg Robert Maddex DO is a male Family Practitioner, has 33 years of experience and practices in Family Medicine.
- Where does Dr. Greg R. Maddex practice?
- Dr. Greg Maddex has 2 office locations.
Dr. Greg Maddex practices Family Medicine near Diamond Bar, CA.
Additional practice locations include: Brea, CA.
See Diamond Bar Family Physicians.