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

John D Trenkner, MD

Individual provider Radiation Oncology Physician · NPI 1801823786

John D Trenkner, MD is a Radiation Oncology Physician in Fort Wayne, Indiana. Licensed in Indiana. Registered with an NPI since 2006.

Licensed in
IN
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

7910 W Jefferson Blvd Ste 110
Fort Wayne, IN 46804-4159
Phone: (260) 436-4116
Fax: (260) 436-1878
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 01026390A (IN)

Record details

NPI number1801823786
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 27, 2006
Last updated in NPPESJuly 8, 2007
Mailing address7910 W Jefferson Blvd, Ste 110, Fort Wayne, IN 46804-4159

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