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

William Andrew Clark, PHD, RD

Individual provider Registered Dietitian · NPI 1356694301

William Andrew Clark, PHD, RD is a Registered Dietitian in Johnson City, Tennessee. Licensed in Tennessee. Registered with an NPI since 2012.

Licensed in
TN
In the registry since
2012
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
RD — Registered Dietitian
A credentialed nutrition professional.

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Practice location Address checks out

807 University Pkwy Box 70403
Johnson City, TN 37614-6500
Phone: (423) 439-4071
Fax: (423) 439-4060
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence LDN2487 (TN)

Record details

NPI number1356694301
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD , RD
Sole proprietorNo
NPI enumeratedOctober 16, 2012
Last updated in NPPESOctober 16, 2012
Mailing address807 University Pkwy, Box 70403, Johnson City, TN 37614-6500

Other providers in Johnson City