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

Don D Duff, FNP-C

Individual provider Chiropractor · NPI 1588606636

Don D Duff, FNP-C is a Nurse Practitioner in Chattanooga, Tennessee. Qualified in 2015, 11 years ago. Practices with Erlanger Health, a 503-clinician group and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
11
Licensed in
TN
In the registry since
2006
Specialties on file
2
What do these letters mean?
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

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Practice location Address checks out

1736 Gunbarrel Rd
Chattanooga, TN 37421-3127
Phone: (423) 756-6623
Fax: (423) 648-8084
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 20159 (TN)
Chiropractor Taxonomy 111N00000X · Licence DC0000000723 (TN)

Record details

NPI number1588606636
Entity typeIndividual (Type 1)
GenderMale
Credentials FNP-C
Sole proprietorNo
NPI enumeratedJune 12, 2006
Last updated in NPPESJanuary 19, 2017
Mailing address1736 Gunbarrel Rd, Chattanooga, TN 37421-3127

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Erlanger Health — 503 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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