IndividualActive
Margaret Johnson, RDN, RD
NPI 1851117816 · Registered Dietitian · Lisle, IL
Margaret Johnson, RDN, RD is a Registered Dietitian provider in Lisle, IL (NPI 1851117816).
Provider details
- NPI number
- 1851117816
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RDN, RD
- Sex
- Female
- Sole proprietor
- No
- License
- 86329471 (FL)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Established profile(56/100 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
701 Warrenville Rd Ste 210
Lisle, IL 60532-1376
Phone: (312) 664-3456
Street-level locationGet directions
Mailing address
172 Golf Club Dr
Key West, FL 33040-4394
Registry dates
- Enumerated
- 2024-11-25
- Last updated
- 2024-11-25
- Certified
- 2024-11-22
Frequently asked questions
- What is Margaret Johnson's NPI number?
- Margaret Johnson's National Provider Identifier (NPI) is 1851117816, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Johnson's specialty?
- Margaret Johnson is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Margaret Johnson located?
- Margaret Johnson's practice location on file with NPPES is 701 Warrenville Rd Ste 210, Lisle, IL 60532-1376.
- What is Margaret Johnson's phone number?
- The practice phone number listed in the NPPES registry for Margaret Johnson is (312) 664-3456.
- Is Margaret Johnson's NPI active?
- Yes — Margaret Johnson's NPI (1851117816) is active in the NPPES registry as of the last update on 2024-11-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.