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

Individual provider Internal Medicine Physician · NPI 1912271222

John Mueller, MD is an Internal Medicine Physician in Tucson, Arizona. Practices as a sole proprietor. Licensed in Arizona.

Licensed in
AZ
In the registry since
2012
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

4220 N Pontatoc Rd
Tucson, AZ 85718-6753
Phone: (520) 577-9107
Fax: (520) 577-9107
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 7422 (AZ)

Record details

NPI number1912271222
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 5, 2012
Last updated in NPPESMarch 5, 2012

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