Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Ryan Michael Kretzer, MD

Individual provider Neurological Surgery Physician · NPI 1861545766

Ryan Michael Kretzer, MD is a Neurosurgery in Tucson, Arizona. Graduated from Johns Hopkins University School of Medicine in 2004, 22 years ago. Practices with Tucson Physician Group Holdings LLC, a 199-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
22
Trained at
Johns Hopkins University School of Medicine
Licensed in
MD
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

6567 E Carondelet Dr Ste 305
Tucson, AZ 85710-6152
Phone: (520) 881-8400
Fax: (520) 881-6563
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurological Surgery Physician (primary) Taxonomy 207T00000X · Licence P19038 (MD)

Record details

NPI number1861545766
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 22, 2007
Last updated in NPPESFebruary 8, 2013
Mailing address6567 E Carondelet Dr, Suite 305, Tucson, AZ 85710-6152

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNEUROSURGERY
Medical schoolJOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2004 (22 years in practice)
Group practice Tucson Physician Group Holdings Llc — 199 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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