NPPES file of Aug 9, 2026

Sydney Holmes, RD

Registered Dietitian · Littleton, CO

Sydney Holmes, RD is a registered dietitian with a practice address in Littleton, Colorado, and NPI 1639065444, issued on Jun 17, 2025. Check the license with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639065444
Name
Sydney Holmes
Credential
RD
Primary taxonomy
Registered Dietitian 133V00000X
Practice location
9895 W Remington PL, Littleton, CO 80128
Phone
(720) 583-3437
Enumerated
Jun 17, 2025
Record last updated
Jun 17, 2025
Medicare enrollment
Enrolled (PECOS I20260302001847); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest registered dietitian records → All 1,391 in Colorado → Look up another NPI →

Also registered at 9895 W Remington PL

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Shawna ArbucklePhysician Assistant1508681057
  2. Stephanie Gomolka, PAPhysician Assistant1295236677
  3. Trista Kral, PACMedical Physician Assistant1750750279
  4. Laura LenhartRegistered Dietitian1508469560
  5. Mackenzie Neal, PA-CPhysician Assistant1801203955
  6. Amitav Rahman, PA-CMedical Physician Assistant1245907617

Verify Sydney Holmes in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Colorado board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Colorado license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Nutrition Center OF Colorado LLCLittleton, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sydney Holmes among 1,391 registered dietitian records in Colorado

Sydney Holmes, RD 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 2025, is newer than 85% of them.

  • NPI issued2025 · 85% of these records are older, 6% newer
  • In a Medicare fileYes · 5% of these records are
  • In the CMS Doctors and Clinicians fileYes · 8% of these records are
  • Graduated2024 · median 2014 among the 107 with a school on file
  • Record last updated2025 · 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).

49 registered dietitian records list a practice address in Littleton

They are 49 of the 3,918 NPPES records with a practice address in Littleton, and 1,391 registered dietitian records in Colorado.

All 1,391 in Colorado → Every provider in Littleton → Registered Dietitian nationwide →

The 8 registered dietitian records with the nearest ZIP codes

  1. Tanja Bugas, M.S.,R.D.Littleton, CO 801281912335183
  2. Amber Carlson, RDNLittleton, CO 801281023831088
  3. Allison Grooms, RDNLittleton, CO 801281588382014
  4. Jill Heaton, MS, RDLittleton, CO 801281548518541
  5. Laura LenhartLittleton, CO 801281508469560
  6. Katherine Loadman, RDLittleton, CO 801281013640309
  7. Brooke Miller, RDLittleton, CO 801281952164972
  8. Lisa Paige, RDLittleton, CO 801281457682932

Common questions

What is Sydney Holmes, RD's NPI number?

Sydney Holmes, RD's National Provider Identifier (NPI) is 1639065444, issued on Jun 17, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Sydney Holmes, RD located?

The NPPES record lists a practice address at 9895 W Remington PL, Littleton, CO, 80128. Phone: (720) 583-3437. Providers update this record themselves, so call before visiting.

How can I verify Sydney Holmes, RD's license?

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.