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. John Frey:
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Education & Awards
Dr. Frey graduated from Northwestern University, Chicago.
Dr. Frey has 2 hospital affiliations:
- UW Health-UW Hospital & Clinics
- Meriter Hospital Inc
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- Additional Information
- Where does Dr. John J. Frey practice?
Dr. John Frey practices Family Medicine near Madison, WI.
Additional practice locations include: Verona, WI.
See Madison Family Physicians.