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

John T Geneczko Jr., MD

Individual provider Gastroenterology Physician · NPI 1902875727

John T Geneczko Jr., MD is a Gastroenterology in Durham, North Carolina. Graduated from University of Michigan Medical School in 1978, 48 years ago. Practices with Duke Health Integrated Practice Inc, a 3,094-clinician group and accepts Medicare assignment. Licensed in Indiana.

Years since qualifying
48
Trained at
University of Michigan Medical School
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

200 Trent Dr 3662 Dumc
Durham, NC 27710-2479
Phone: (919) 684-1817
Fax: (919) 681-8147
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 01036161A (IN)

Record details

NPI number1902875727
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 15, 2006
Last updated in NPPESMay 28, 2013

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolUNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Graduated 1978 (48 years in practice)
Group practice Duke Health Integrated Practice Inc — 3094 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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