Elizabeth Claire Grubb
Registered Dietitian · Denver, CO
Elizabeth Claire Grubb is a registered dietitian with a practice address in Denver, Colorado, and NPI 1366079766, issued on Mar 25, 2020. Check the license (Colorado 86168612, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Elizabeth Claire Grubb
- Primary taxonomy
- Registered Dietitian 133V00000X
- License number
- 86168612 CO
Self-reported in NPPES; status is on the state search - Practice location
- 916 S Williams St, Denver, CO 80209
- Phone
- (706) 248-5337
- Enumerated
- Mar 25, 2020
- Record last updated
- Mar 25, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20240521004031); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest registered dietitian records → All 1,391 in Colorado → Look up another NPI →
Verify Elizabeth Claire Grubb in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license 86168612Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Cow Creek Band OF Umpqua Tribe OF IndiansRoseburg, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elizabeth Claire Grubb among 1,391 registered dietitian records in Colorado
Elizabeth Claire Grubb is one of 1,391 registered dietitian records with a practice address in Colorado. 5% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 46% of them.
- NPI issued2020 · 46% of these records are older, 46% newer
- In a Medicare fileYes · 5% of these records are
- In the CMS Doctors and Clinicians fileYes · 8% of these records are
- Graduated2018 · median 2014 among the 107 with a school on file
- Record last updated2020 · 47% 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 Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
298 registered dietitian records list a practice address in Denver
They are 298 of the 25,068 NPPES records with a practice address in Denver, and 1,391 registered dietitian records in Colorado.
All 1,391 in Colorado → Every provider in Denver → Registered Dietitian nationwide →
The 8 registered dietitian records with the nearest ZIP codes
- Diana Brostow, PHD, MPH, RDNDenver, CO 802091508261538
- Kristina Comer, RDDenver, CO 802091235502915
- Elizabeth Di Biase, RDDenver, CO 802091114445137
- Kaitlin Hornbostel, REGISTERED DIETITIANDenver, CO 802091962992339
- Hope LawlorDenver, CO 802091255264842
- Lindsey Long, RDNDenver, CO 802091043097900
- Claire Margolf, MS RDDenver, CO 802091821970435
- Michelle MarshallDenver, CO 802091669307807
Common questions
What is Elizabeth Claire Grubb's NPI number?
Elizabeth Claire Grubb's National Provider Identifier (NPI) is 1366079766, issued on Mar 25, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Claire Grubb located?
The NPPES record lists a practice address at 916 S Williams St, Denver, CO, 80209. Phone: (706) 248-5337. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Claire Grubb's license?
NPPES lists Colorado license number 86168612, as entered by the provider. Search the Colorado 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. Medicare files from data.cms.gov. 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.