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

Debra Achenbach Keller, FNP

Individual provider Nurse Practitioner · NPI 1477589646

Debra Achenbach Keller, FNP is a Nurse Practitioner in Harriman, Tennessee. Qualified in 2004, 22 years ago. Practices with Covenant Medical Group Inc, a 356-clinician group and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
22
Licensed in
TN
In the registry since
2006
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Address checks out

412 Devonia St
Harriman, TN 37748-2009
Phone: (865) 882-4379
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 7614 (TN)

Record details

NPI number1477589646
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedJune 22, 2006
Last updated in NPPESJune 30, 2020
Certification dateJune 30, 2020

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Covenant Medical Group Inc — 356 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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