Sydney Holmes, RD
NPI 1639065444 · Registered Dietitian · Littleton, CO
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sydney Holmes, RD is a Registered Dietitian provider in Littleton, CO (NPI 1639065444).
Provider details
- NPI number
- 1639065444
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-06-17
- Last updated
- 2025-06-17
- Certified
- 2025-06-17
Frequently asked questions
- What is Sydney Holmes's NPI number?
- Sydney Holmes's National Provider Identifier (NPI) is 1639065444, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sydney Holmes's specialty?
- Sydney Holmes is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Sydney Holmes located?
- Sydney Holmes's practice location on file with NPPES is 9895 W Remington Pl, Littleton, CO 80128-6734.
- What is Sydney Holmes's phone number?
- The practice phone number listed in the NPPES registry for Sydney Holmes is (720) 583-3437.
- Does Sydney Holmes accept Medicare?
- Sydney Holmes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sydney Holmes's NPI active?
- Yes — Sydney Holmes's NPI (1639065444) is active in the NPPES registry as of the last update on 2025-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.