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

Todd W Markwalter, APN

Individual provider Nurse Practitioner · NPI 1700894276

Todd W Markwalter, APN is a Nurse Practitioner in Johnson City, Tennessee. Licensed in Tennessee. Registered with an NPI since 2006.

Licensed in
TN
In the registry since
2006
Specialties on file
2
What do these letters mean?
APN — Advanced Practice Nurse
The umbrella title some states use for nurse practitioners and other advanced practice nurses.

See every abbreviation used in this directory →

Practice location Address checks out

119 Boone Ridge Dr Ste 201
Johnson City, TN 37615-4998
Phone: (423) 282-1480
Fax: (423) 928-1353
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 8440 (TN)
Nurse Practitioner Taxonomy 363L00000X · Licence 8440 (TN)

Record details

NPI number1700894276
Entity typeIndividual (Type 1)
GenderMale
Credentials APN
Sole proprietorNo
NPI enumeratedAugust 3, 2006
Last updated in NPPESOctober 20, 2014

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