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

John T Ducker, MD

Individual provider Nephrology Physician · NPI 1003868597

John T Ducker, MD is a Nephrology in Fort Wayne, Indiana. Graduated from Wright State University Boonshoft School of Medicine in 1992, 34 years ago. Practices with Nephrology Associates of Northern Indiana PC, a 64-clinician group and accepts Medicare assignment. Licensed in Indiana and Ohio.

Years since qualifying
34
Trained at
Wright State University Boonshoft School of Medicine
Licensed in
IN, OH
In the registry since
2006
Specialties on file
2
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

7836 W Jefferson Blvd Ste 101
Fort Wayne, IN 46804-4165
Phone: (260) 494-3484
Fax: (260) 969-0188
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 01041634A (IN)
Nephrology Physician Taxonomy 207RN0300X · Licence 35072749 (OH)

Record details

NPI number1003868597
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 16, 2006
Last updated in NPPESNovember 10, 2022
Certification dateNovember 10, 2022
Mailing address120 W 22nd St Ste 200, Oak Brook, IL 60523-1563

Medicare enrollment

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

Medicare specialtyNEPHROLOGY
Medical schoolWRIGHT STATE UNIVERSITY BOONSHOFT SCHOOL OF MEDICINE
Graduated 1992 (34 years in practice)
Group practice Nephrology Associates Of Northern Indiana Pc — 64 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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