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Elizabeth Duke, R.D., L.D.N.
NPI 1811049547 · Registered Dietitian · Freeport, IL
Elizabeth Duke, R.D., L.D.N. is a Registered Dietitian provider in Freeport, IL (NPI 1811049547).
Provider details
- NPI number
- 1811049547
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- R.D., L.D.N.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(83/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs 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
1045 W Stephenson St
Freeport, IL 61032-4864
Phone: (815) 599-6549
Fax: (815) 599-6103
Street-level locationGet directions
Mailing address
1418 Charlotte Dr
Rockford, IL 61108-4117
Registry dates
- Enumerated
- 2007-01-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Elizabeth Duke's NPI number?
- Elizabeth Duke's National Provider Identifier (NPI) is 1811049547, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Duke's specialty?
- Elizabeth Duke is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Elizabeth Duke located?
- Elizabeth Duke's practice location on file with NPPES is 1045 W Stephenson St, Freeport, IL 61032-4864.
- What is Elizabeth Duke's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Duke is (815) 599-6549.
- Is Elizabeth Duke's NPI active?
- Yes — Elizabeth Duke's NPI (1811049547) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.