Kathryn Kathan, RD, LDN
Registered Dietitian · Chicago, IL
Kathryn Kathan, RD, LDN is a registered dietitian with a practice address in Chicago, Illinois, and NPI 1093392367, issued on Mar 24, 2021. Check the license (Illinois 164006590, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathryn Kathan
- Credential
- RD, LDN
- Primary taxonomy
- Registered Dietitian 133V00000X
- License number
- 164006590 IL
Self-reported in NPPES; status is on the state search - Practice location
- 750 N Dearborn St Apt 1312, Chicago, IL 60654
- Phone
- (630) 677-3852
- Enumerated
- Mar 24, 2021
- Record last updated
- Mar 24, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20220728003046); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest registered dietitian records → All 2,870 in Illinois → Look up another NPI →
Verify Kathryn Kathan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 164006590Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Nourish, Inc.Austin, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathryn Kathan among 2,870 registered dietitian records in Illinois
Kathryn Kathan, RD, LDN is one of 2,870 registered dietitian records with a practice address in Illinois. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 66% of them.
- NPI issued2021 · 66% of these records are older, 29% newer
- In a Medicare fileYes · 8% of these records are
- In the CMS Doctors and Clinicians fileYes · 9% of these records are
- Graduated2012 · median 2014 among the 269 with a school on file
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133V00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
935 registered dietitian records list a practice address in Chicago
They are 935 of the 63,379 NPPES records with a practice address in Chicago, and 2,870 registered dietitian records in Illinois.
All 2,870 in Illinois → Every provider in Chicago → Registered Dietitian nationwide →
The 8 registered dietitian records with the nearest ZIP codes
- Sarah Calamita, RDChicago, IL 606541699237917
- Alisa Cherubini, MS, RDNChicago, IL 606541053178897
- Lauren FlorianChicago, IL 606541386813160
- Lauren HopkinChicago, IL 606541598539496
- Brinsley Kubiak, MS, RDN, LDNChicago, IL 606541457031551
- Lindsey Lankowsky, M.S., R.D.Chicago, IL 606541447578646
- Mathabeng Lewis, MS, RDChicago, IL 606541568062404
- Alexandra Lynch, MS, RD, LDNChicago, IL 606541386249019
Common questions
What is Kathryn Kathan, RD, LDN's NPI number?
Kathryn Kathan, RD, LDN's National Provider Identifier (NPI) is 1093392367, issued on Mar 24, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn Kathan, RD, LDN located?
The NPPES record lists a practice address at 750 N Dearborn St Apt 1312, Chicago, IL, 60654. Phone: (630) 677-3852. Providers update this record themselves, so call before visiting.
How can I verify Kathryn Kathan, RD, LDN's license?
NPPES lists Illinois license number 164006590, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.