IndividualActive
Guy Marshall, RD
NPI 1982413597 · Registered Dietitian · Castle Pines, CO
Guy Marshall, RD is a Registered Dietitian provider in Castle Pines, CO (NPI 1982413597).
Provider details
- NPI number
- 1982413597
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 86290217 (CO)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Established profile(55/100 index)
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
100% 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
1299 Sweet River Cir
Castle Pines, CO 80108-9669
Phone: (540) 623-4878
Approximate (ZIP-level) locationGet directions
Mailing address
1299 Sweet River Cir Apt 404
Castle Pines, CO 80108-9673
Registry dates
- Enumerated
- 2025-01-07
- Last updated
- 2025-01-07
- Certified
- 2025-01-07
Frequently asked questions
- What is Guy Marshall's NPI number?
- Guy Marshall's National Provider Identifier (NPI) is 1982413597, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guy Marshall's specialty?
- Guy Marshall is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Guy Marshall located?
- Guy Marshall's practice location on file with NPPES is 1299 Sweet River Cir, Castle Pines, CO 80108-9669.
- What is Guy Marshall's phone number?
- The practice phone number listed in the NPPES registry for Guy Marshall is (540) 623-4878.
- Is Guy Marshall's NPI active?
- Yes — Guy Marshall's NPI (1982413597) is active in the NPPES registry as of the last update on 2025-01-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.