Rayanne Nguyen, MS, RD, LDN
NPI 1447611645 · Registered Dietitian · Chicago, IL
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rayanne Nguyen, MS, RD, LDN is a Registered Dietitian provider in Chicago, IL (NPI 1447611645).
Provider details
- NPI number
- 1447611645
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- MS, RD, LDN
- Sex
- Female
- Sole proprietor
- No
- License
- 164006765 (IL)
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
10 yrs 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
Mailing address
Registry dates
- Enumerated
- 2016-03-15
- Last updated
- 2016-03-15
Frequently asked questions
- What is Rayanne Nguyen's NPI number?
- Rayanne Nguyen's National Provider Identifier (NPI) is 1447611645, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rayanne Nguyen's specialty?
- Rayanne Nguyen is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Rayanne Nguyen located?
- Rayanne Nguyen's practice location on file with NPPES is 2003 W Fulton St, Chicago, IL 60612-2345.
- What is Rayanne Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Rayanne Nguyen is (312) 850-3438.
- Does Rayanne Nguyen accept Medicare?
- Rayanne Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rayanne Nguyen's NPI active?
- Yes — Rayanne Nguyen's NPI (1447611645) is active in the NPPES registry as of the last update on 2016-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.