Browse Health
Family Practitioner, Primary Care Doctor
41 years of experience
Accepting new patients
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).

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Education & Awards

Dr. Frey graduated from Northwestern University, Chicago.


Dr. Frey has 2 hospital affiliations:

  • Meriter Hospital Inc 
  • UW Health-UW Hospital & Clinics 


  • Spanish

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Additional Information
Dr. John Joseph Frey MD is a male Family Practitioner, has 41 years of experience and practices in Family Medicine.
Where does Dr. John J. Frey practice?
Dr. John Frey has 5 office locations.
Dr. John Frey practices Family Medicine near Madison, WI.
Additional practice locations include: Verona, WI.
See Madison Family Physicians.