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

Individual provider Medical Oncology Physician · NPI 1023075660

Dr. John T Hamm, MD is a Medical Oncology in Louisville, Kentucky. Graduated from Vanderbilt University School of Medicine in 1982, 44 years ago. Practices with Norton Hospitals, Inc, a 138-clinician group and accepts Medicare assignment. Licensed in Kentucky.

Years since qualifying
44
Trained at
Vanderbilt University School of Medicine
Licensed in
KY
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

315 E Broadway
Louisville, KY 40202-1703
Phone: (502) 629-2500
Fax: (502) 629-3166
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence 22818 (KY)

Record details

NPI number1023075660
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 27, 2006
Last updated in NPPESJanuary 19, 2021
Certification dateJanuary 19, 2021

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Medical schoolVANDERBILT UNIVERSITY SCHOOL OF MEDICINE
Graduated 1982 (44 years in practice)
Group practice Norton Hospitals, Inc — 138 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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