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

Derek Lewis Allen, FNP

Individual provider Nurse Practitioner · NPI 1417755349

Derek Lewis Allen, FNP is a Nurse Practitioner in Madison, Tennessee. Qualified in 2025, 1 year ago. Practices with Hospital Medicine Services of Tn LLC, a 273-clinician group and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
1
Licensed in
TN
In the registry since
2025
Specialties on file
2
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

500 Hospital Dr
Madison, TN 37115-5031
Phone: (615) 769-5000
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 39334 (TN)
Registered Nurse Taxonomy 163W00000X · Licence 215488 (TN)

Record details

NPI number1417755349
Entity typeIndividual (Type 1)
GenderMale
Credentials FNP
Sole proprietorNo
NPI enumeratedMarch 5, 2025
Last updated in NPPESSeptember 2, 2025
Certification dateSeptember 2, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Group practice Hospital Medicine Services Of Tn Llc — 273 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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