Theresa Claus, RD, LDN
NPI 1962864207 · Registered Dietitian · Downers Grove, IL
Theresa Claus, RD, LDN is a Registered Dietitian provider in Downers Grove, IL (NPI 1962864207).
Provider details
- NPI number
- 1962864207
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD, LDN
- Sex
- Female
- Sole proprietor
- No
- License
- 164.006070 (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
2 documented practice locations
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
Additional practice locations (1)
- 3815 Highland AveDowners Grove, IL 60515-1500Phone: (630) 542-8022
Registry dates
- Enumerated
- 2016-03-25
- Last updated
- 2019-08-06
Frequently asked questions
- What is Theresa Claus's NPI number?
- Theresa Claus's National Provider Identifier (NPI) is 1962864207, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theresa Claus's specialty?
- Theresa Claus is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Theresa Claus located?
- Theresa Claus's practice location on file with NPPES is 3815 Highland Ave, Downers Grove, IL 60515.
- What is Theresa Claus's phone number?
- The practice phone number listed in the NPPES registry for Theresa Claus is (630) 542-8022.
- Is Theresa Claus's NPI active?
- Yes — Theresa Claus's NPI (1962864207) is active in the NPPES registry as of the last update on 2019-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.