NOURISHMENT WORKS PC
NPI 1881169027
Dietitian, Registered in Chicago, IL

Q: What is Nourishment Works PC's NPI number?

The NPI number for Nourishment Works PC is 1881169027. It was assigned to this organization in the NPPES registry on October 3, 2018.

Q: What is Nourishment Works PC's specialty?

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

Active since October 03, 2018

3921 N LINCOLN AVE, CHICAGO, IL 60613(872) 216-7870 Get Directions Write a Review

NPPES record last updated: March 20, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 20, 2025, Nov 12, 2024, Oct 3, 2018 (3 updates tracked since 2018).

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About Nourishment Works Pc NPPES

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

NOURISHMENT WORKS PC (NPI 1881169027) is a healthcare organization registered as a dietitian, registered in Chicago, Illinois and active in the NPI registry since October 2018. The organization lists Kathryn S Merkle, Founder, as its authorized official.

NPPES Registry Identity

NPI1881169027

Entity TypeOrganization

Primary Taxonomy133V00000X

Legal Business NameNOURISHMENT WORKS PC

Location Address3921 N LINCOLN AVEChicago, IL 60613-2417

Mailing Address3921 N Lincoln AveChicago, IL 60613-2417 · (312) 380-5344 · Fax (312) 277-0932

Phone(872) 216-7870

Organization SubpartNo

Authorized OfficialKathryn S MerkleFounder · (312) 533-0707

Enumeration DateOctober 3, 2018

Last NPPES UpdateMarch 20, 20253 updates tracked since enumeration

NPPES CertifiedMarch 20, 2025

✔ NPI 1881169027 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ 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 ListedNutritionist · Nutrition, EducationTaxonomy 133NN1002X

Also ListedCommunity Health WorkerTaxonomy 172V00000X

Also ListedHealth EducatorTaxonomy 174H00000X

3921 N LINCOLN AVE, Chicago, IL 60613

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nourishment Works Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by January 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date

StateIllinoisEnrollment IDO20220114000353Non-DME Part B · Clinic/Group PracticeDue dateJanuary 31, 2027

Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Nourishment Works PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Kathryn Merkle, LCSW, MPH, RDN, LDN

Registered Dietitian or Nutrition Professional

NPI 1285681080

3921 N LINCOLN AVE
Chicago, IL 60613

(312) 533-0707

✔ PECOSSame 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 Nourishment Works PC's NPI number?

The NPI number for Nourishment Works PC is 1881169027. It was assigned to this organization in the NPPES registry on October 3, 2018.

Where is Nourishment Works PC located?

Nourishment Works PC is located at 3921 N Lincoln Ave, Chicago, IL 60613. The listed phone number is (872) 216-7870.

What is Nourishment Works PC's specialty?

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

Is Nourishment Works PC enrolled in Medicare?

Yes. Nourishment Works PC is registered in the Medicare PECOS enrollment system.

When is Nourishment Works PC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Illinois, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Nourishment Works PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Registered Dietitian or Nutrition Professional) reassigns their Medicare billing to Nourishment Works PC. 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 Nourishment Works PC was last updated on March 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.