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

MS. Heidi Greenhalgh, MS, RD, LDN

Individual provider Registered Dietitian · NPI 1992532691

MS. Heidi Greenhalgh, MS, RD, LDN is a Registered Dietitian OR Nutrition Professional in Oak Ridge, Tennessee. Qualified in 2022, 4 years ago. Accepts Medicare assignment and offers telehealth. Licensed in Tennessee and Utah.

Years since qualifying
4
Licensed in
TN, UT
In the registry since
2024
Specialties on file
2
What do these letters mean?
MS — Master of Science
A graduate science degree.
RD — Registered Dietitian
A credentialed nutrition professional.
LDN — Licensed Dietitian Nutritionist
A state-licensed dietitian nutritionist.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

103 Claymore Ln
Oak Ridge, TN 37830-7675
Phone: (865) 332-8758
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence LDN0000004788 (TN)
Registered Dietitian Taxonomy 133V00000X · Licence 347286-4901 (UT)

Record details

NPI number1992532691
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , RD , LDN
Sole proprietorNo
NPI enumeratedSeptember 17, 2024
Last updated in NPPESSeptember 17, 2024
Certification dateSeptember 17, 2024

Medicare enrollment

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

Medicare specialtyREGISTERED DIETITIAN OR NUTRITION PROFESSIONAL
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Oak Ridge