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MICHELLE NUSSBAUM MS, RDN, CDCES
NPI 1518664036
Dietitian, Registered in Chicago, IL

Active since February 15, 2023
1713 W JULIAN ST APT 3F, CHICAGO, IL 60622(847) 530-2853 Get Directions Write a Review

NPPES record last updated: June 20, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jun 20, 2024, Feb 15, 2023 (2 updates tracked since 2023).

About Michelle Nussbaum Ms, Rdn, Cdces NPPES

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

MICHELLE NUSSBAUM MS, RDN, CDCES (NPI 1518664036) is an individual dietitian, registered in Chicago, Illinois, licensed in Illinois (164.007405) and active in the NPI registry since February 2023. She maintains a secondary practice location in San Clemente.

NPPES Registry Identity

NPI1518664036
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameMICHELLE NUSSBAUMCredential: MS, RDN, CDCES
Location Address1713 W JULIAN ST APT 3FChicago, IL 60622-7920
Mailing Address1713 W Julian St Apt 3fChicago, IL 60622-7920 · (847) 530-2853
Phone(847) 530-2853
Sole ProprietorNo
Enumeration DateFebruary 15, 2023
Last NPPES UpdateJune 20, 20242 updates tracked since enumeration
NPPES CertifiedJune 20, 2024
✔ NPI 1518664036 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
License✔ Licensed in IL · 164.007405
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.
1713 W JULIAN ST APT 3F, Chicago, IL 60622
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Secondary Practice Location 1

Location 12719 S El Camino RealSan Clemente, CA 92672-3354 · Phone (949) 484-9517 · Fax (949) 569-1295

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michelle Nussbaum Ms, Rdn, Cdces is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignments

2

Medicare enrollment records show Michelle Nussbaum reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Jonathan Larson MD PC
279 mi
Adult Health
10 N HIGH ST STE 222
Columbus, OH 43215
  • Reassigned Medicare billing, Texas enrollment
  • 18 clinicians in this Medicare group
NPI 1487334843 (949) 484-9517
Nourish, Inc.
977 mi
Dietitian, Registered
3724 JEFFERSON ST STE 104
Austin, TX 78731
  • Reassigned Medicare billing, Texas enrollment
  • 487 clinicians in this Medicare group
NPI 1558097824 (512) 693-7045

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 Michelle Nussbaum's NPI number?

The NPI number for Michelle Nussbaum is 1518664036. It was assigned to this individual provider in the NPPES registry on February 15, 2023.

Where is Michelle Nussbaum located?

Michelle Nussbaum practices at 1713 W Julian St Apt 3F, Chicago, IL 60622. The listed phone number is (847) 530-2853.

What is Michelle Nussbaum's specialty?

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

Is Michelle Nussbaum enrolled in Medicare?

Yes. Michelle Nussbaum is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Michelle Nussbaum's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Nussbaum reassigns Medicare benefits to 2 organizations: Jonathan Larson MD PC (Columbus, OH) and Nourish, Inc. (Austin, TX). Each 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 Michelle Nussbaum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michelle Nussbaum accept?

Health plans from Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Texas list Michelle Nussbaum as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Michelle Nussbaum was last updated on June 20, 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.