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

Individual provider Hematology & Oncology Physician · NPI 1275616427

Louis Diehl, MD is a Hematology/Oncology in Durham, North Carolina. Graduated from Georgetown University School of Medicine in 1975, 51 years ago. Practices with Duke Health Integrated Practice Inc, a 3,094-clinician group and accepts Medicare assignment. Licensed in North Carolina.

Years since qualifying
51
Trained at
Georgetown University School of Medicine
Licensed in
NC
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 Partly verified

Some contact details are missing from the federal record.

Duke University Medical Ctr
Durham, NC 27710-0001
Phone: (919) 620-4467
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 2004-00491 (NC)

Record details

NPI number1275616427
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 23, 2006
Last updated in NPPESSeptember 7, 2013

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 1975 (51 years in practice)
Group practice Duke Health Integrated Practice Inc — 3094 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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