IndividualActive
Kathleen Olzewski, RD/RDN
NPI 1912776469 · Registered Dietitian · Grayslake, IL
Kathleen Olzewski, RD/RDN is a Registered Dietitian provider in Grayslake, IL (NPI 1912776469).
Provider details
- NPI number
- 1912776469
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD/RDN
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Established profile(51/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
1504 Portia Rd
Grayslake, IL 60030-3545
Phone: (224) 277-9168
Approximate (ZIP-level) locationGet directions
Mailing address
1504 Portia Rd
Grayslake, IL 60030-3545
Registry dates
- Enumerated
- 2023-12-26
- Last updated
- 2023-12-26
- Certified
- 2023-12-26
Frequently asked questions
- What is Kathleen Olzewski's NPI number?
- Kathleen Olzewski's National Provider Identifier (NPI) is 1912776469, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen Olzewski's specialty?
- Kathleen Olzewski is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Kathleen Olzewski located?
- Kathleen Olzewski's practice location on file with NPPES is 1504 Portia Rd, Grayslake, IL 60030-3545.
- What is Kathleen Olzewski's phone number?
- The practice phone number listed in the NPPES registry for Kathleen Olzewski is (224) 277-9168.
- Is Kathleen Olzewski's NPI active?
- Yes — Kathleen Olzewski's NPI (1912776469) is active in the NPPES registry as of the last update on 2023-12-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.