Heidi Greenhalgh, MS, RD, LDN
Registered Dietitian · Oak Ridge, TN
Heidi Greenhalgh, MS, RD, LDN is a registered dietitian with a practice address in Oak Ridge, Tennessee, and NPI 1992532691, issued on Sep 17, 2024. Check the license (Tennessee LDN0000004788, as entered in NPPES) with the Tennessee board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Heidi Greenhalgh
- Credential
- MS, RD, LDN
- Primary taxonomy
- Registered Dietitian 133V00000X
- License numbers
- LDN0000004788 TN
347286-4901 UT
Self-reported in NPPES; status is on the state search - Practice location
- 103 Claymore LN, Oak Ridge, TN 37830
- Phone
- (865) 332-8758
- Enumerated
- Sep 17, 2024
- Record last updated
- Sep 17, 2024
- Medicare enrollment
- Enrolled (PECOS I20251107004531); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest registered dietitian records → All 1,266 in Tennessee → Look up another NPI →
Verify Heidi Greenhalgh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
Search for license LDN0000004788Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Heidi Greenhalgh among 1,266 registered dietitian records in Tennessee
Heidi Greenhalgh, MS, RD, LDN is one of 1,266 registered dietitian records with a practice address in Tennessee. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2024, is newer than 77% of them.
- NPI issued2024 · 77% of these records are older, 17% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 9% of these records are
- Graduated2022 · median 2014 among the 117 with a school on file
- Record last updated2024 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133V00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 registered dietitian records list a practice address in Oak Ridge
They are 11 of the 904 NPPES records with a practice address in Oak Ridge, and 1,266 registered dietitian records in Tennessee. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,266 in Tennessee → Every provider in Oak Ridge → Registered Dietitian nationwide →
The 8 registered dietitian records with the nearest ZIP codes
- Karin Adler, RDN, LDN, CNSCOak Ridge, TN 378301649989708
- Kevin Capps, MS, RD, LDNOak Ridge, TN 378301336284728
- Valerie Fox, RDNOak Ridge, TN 378301194535856
- Lauren Howell, R.D.Oak Ridge, TN 378301003188772
- Katherine Irwin, MS, RD, LDN, CNSCOak Ridge, TN 378301407362163
- Marie Keith, MS, RD, LDNOak Ridge, TN 378301487833257
- Holly Moler-Krohne, RDOak Ridge, TN 378301043581382
- Emily Morton, RDN, LDNOak Ridge, TN 378301346179793
Common questions
What is Heidi Greenhalgh, MS, RD, LDN's NPI number?
Heidi Greenhalgh, MS, RD, LDN's National Provider Identifier (NPI) is 1992532691, issued on Sep 17, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Heidi Greenhalgh, MS, RD, LDN located?
The NPPES record lists a practice address at 103 Claymore LN, Oak Ridge, TN, 37830. Phone: (865) 332-8758. Providers update this record themselves, so call before visiting.
How can I verify Heidi Greenhalgh, MS, RD, LDN's license?
NPPES lists Tennessee license number LDN0000004788, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.