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ILLINOIS DIETITIANS LLC
NPI 1710241872
Dietitian, Registered in Oak Park, IL

Active since July 03, 2012
715 LAKE ST STE 220, OAK PARK, IL 60301(708) 285-1347(708) 356-6611 Get Directions Write a Review

NPPES record last updated: October 21, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Illinois Dietitians Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ILLINOIS DIETITIANS LLC (NPI 1710241872) is a healthcare organization registered as a dietitian, registered in Oak Park, Illinois and active in the NPI registry since July 2012. The organization lists Eileen Hourihan Mccarthy, Registered Dietitian, as its authorized official.

NPPES Registry Identity

NPI1710241872
Entity TypeOrganization
Primary Taxonomy133V00000X
Legal Business NameILLINOIS DIETITIANS LLC
Location Address715 LAKE ST STE 220Oak Park, IL 60301-1411
Mailing Address715 Lake St Ste 220Oak Park, IL 60301-1411 · (708) 285-1347 · Fax (708) 356-6611
Phone(708) 285-1347
Fax(708) 356-6611
Organization SubpartNo
Authorized OfficialEileen Hourihan MccarthyRegistered Dietitian · (708) 285-1347
Enumeration DateJuly 3, 2012
Last NPPES UpdateOctober 21, 2024
NPPES CertifiedOctober 21, 2024
✔ NPI 1710241872 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 6

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
Definition
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.
Also ListedNutritionistTaxonomy 133N00000X
Also ListedNutritionist · Nutrition, EducationTaxonomy 133NN1002X
Also ListedDietitian, Registered · Nutrition, PediatricTaxonomy 133VN1004X
Also ListedDietitian, Registered · Nutrition, RenalTaxonomy 133VN1005X
Also ListedDietitian, Registered · Nutrition, MetabolicTaxonomy 133VN1006X
715 LAKE ST STE 220, Oak Park, IL 60301
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Illinois Dietitians Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Illinois Dietitians LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Eileen Mccarthy, MFN, RDN, LDN, CPT,
Registered Dietitian or Nutrition Professional
NPI 1265673958
715 LAKE ST STE 220
Oak Park, IL 60301
(708) 285-1347
Same address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Illinois Dietitians LLC's NPI number?

The NPI number for Illinois Dietitians LLC is 1710241872. It was assigned to this organization in the NPPES registry on July 3, 2012.

Where is Illinois Dietitians LLC located?

Illinois Dietitians LLC is located at 715 Lake St Ste 220, Oak Park, IL 60301. The listed phone number is (708) 285-1347.

What is Illinois Dietitians LLC's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Is Illinois Dietitians LLC enrolled in Medicare?

Yes. Illinois Dietitians LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Illinois Dietitians LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Registered Dietitian or Nutrition Professional) reassigns their Medicare billing to Illinois Dietitians LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Illinois Dietitians LLC was last updated on October 21, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.