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

Individual provider Registered Dietitian · NPI 1780885269

Sarah R Mathis, RD is a Registered Dietitian OR Nutrition Professional in Knoxville, Tennessee. Qualified in 2000, 26 years ago. Practices with Endocrinology Consultants of East Tn, a 36-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
26
Licensed in
TN
In the registry since
2007
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.

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Practice location Address checks out

1450 Dowell Springs Blvd Ste 300
Knoxville, TN 37909
Phone: (865) 637-8812
Fax: (865) 637-8865
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 800 Oak Ridge Turnpike, Oak Ridge, TN 37830 — (865) 637-8812

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 1133 (TN)

Record details

NPI number1780885269
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD
Sole proprietorNo
NPI enumeratedMay 30, 2007
Last updated in NPPESJune 7, 2021
Certification dateJune 7, 2021

Medicare enrollment

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

Medicare specialtyREGISTERED DIETITIAN OR NUTRITION PROFESSIONAL
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Group practice Endocrinology Consultants Of East Tn — 36 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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