IndividualActive
Karen Rezabek, MMSC, RD, LDN
NPI 1902015605 · Registered Dietitian · Chicago, IL
Karen Rezabek, MMSC, RD, LDN is a Registered Dietitian provider in Chicago, IL (NPI 1902015605).
Provider details
- NPI number
- 1902015605
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- MMSC, RD, LDN
- Sex
- Female
- Sole proprietor
- No
- License
- 420208 (IL)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(90/100 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
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
1426 W Washington Blvd
Chicago, IL 60607-1821
Phone: (312) 829-1424
Fax: (312) 850-8431
Street-level locationGet directions
Mailing address
4520 Home Ave
Berwyn, IL 60402-4318
Registry dates
- Enumerated
- 2007-05-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Karen Rezabek's NPI number?
- Karen Rezabek's National Provider Identifier (NPI) is 1902015605, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Rezabek's specialty?
- Karen Rezabek is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Karen Rezabek located?
- Karen Rezabek's practice location on file with NPPES is 1426 W Washington Blvd, Chicago, IL 60607-1821.
- What is Karen Rezabek's phone number?
- The practice phone number listed in the NPPES registry for Karen Rezabek is (312) 829-1424.
- Is Karen Rezabek's NPI active?
- Yes — Karen Rezabek's NPI (1902015605) 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.