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Neurological Surgeon, Surgical Specialist

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. Ryan Kretzer:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Ryan Kretzer is Excellent. Dr. Kretzer has been reviewed by 9 patients who have provided 1 comments. The rating is 3.5 out of 4 stars.

Patient Ratings
Ease of Appointment 2.7
Promptness 3.0
Courteous Staff 3.3
Accurate Diagnosis 2.0
Bedside Manner 2.3
Spends Time with Me 2.0
Follows Up After Visit 2.7


Dr. Kretzer has 5 hospital affiliations:

  • The Johns Hopkins Hospital 
  • Carondelet St Joseph's Hospital Tucson 

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Additional Information
Dr. Ryan Michael Kretzer MD is a male Neurosurgeon and practices in Neurological Surgery.
Where does Dr. Ryan M. Kretzer practice?
Dr. Ryan Kretzer has 2 office locations.
Dr. Ryan Kretzer practices Neurological Surgery near Tucson, AZ.
Additional practice locations include: Baltimore, MD.
See Tucson Neurological Surgeons.