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

John Thaddeus Decker, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1578512257

John Thaddeus Decker, MD is an Obstetrics & Gynecology Physician in Tucson, Arizona. Licensed in Arizona. Registered with an NPI since 2006.

Licensed in
AZ
In the registry since
2006
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

6452 E Carondelet Dr Ste 100
Tucson, AZ 85710-2262
Phone: (520) 323-0333
Fax: (520) 323-5036
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 25939 (AZ)

Record details

NPI number1578512257
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 9, 2006
Last updated in NPPESJune 18, 2024
Certification dateJune 18, 2024
Mailing address2424 N Wyatt Dr Ste 260, Tucson, AZ 85712-6118

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