MARGARET LONGO RDN
NPI 1225761380
Dietitian, Registered in Boise, ID

Q: What is Margaret Longo's NPI number?

The NPI number for Margaret Longo is 1225761380. It was assigned to this individual provider in the NPPES registry on July 6, 2022.

Q: What is Margaret Longo's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Margaret Longo was last updated on May 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since July 06, 2022

10764 WILDROSE CT, BOISE, ID 83713(425) 205-1602 Get Directions Write a Review

NPPES record last updated: May 25, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 25, 2026, Jul 6, 2022 (2 updates tracked since 2022).

On this page

About Margaret Longo Rdn NPPES

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

MARGARET LONGO RDN (NPI 1225761380) is an individual dietitian, registered in Boise, Idaho, licensed in Idaho (D-1168) and active in the NPI registry since July 2022.

NPPES Registry Identity

NPI1225761380

Entity TypeIndividualFemale

Primary Taxonomy133V00000X

Provider Legal NameMARGARET LONGOCredential: RDN

Location Address10764 WILDROSE CTBoise, ID 83713-9505

Mailing Address10764 Wildrose CtBoise, ID 83713-9505 · (425) 205-1602

Phone(425) 205-1602

Sole ProprietorNo

Enumeration DateJuly 6, 2022

Last NPPES UpdateMay 25, 20262 updates tracked since enumeration

NPPES CertifiedMay 25, 2026

✔ NPI 1225761380 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers

Taxonomy Code133V00000X

Licenses✔ Licensed in ID · D-1168✔ Licensed in OR · LD-D-10220952✔ Licensed in WA · DI-60695907

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.

10764 WILDROSE CT, Boise, ID 83713

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Select Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Margaret Longo Rdn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Margaret Longo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Idaho Nutrition Associates, LLC

3.8 mi

Dietitian, Registered

1013 E WINDING CREEK DR STE 102
Eagle, ID 83616

Reassigned Medicare billing, Idaho enrollment
3 clinicians in this Medicare group

NPI 1568992105 (208) 250-5657

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 Margaret Longo's NPI number?

The NPI number for Margaret Longo is 1225761380. It was assigned to this individual provider in the NPPES registry on July 6, 2022.

Where is Margaret Longo located?

Margaret Longo practices at 10764 Wildrose Ct, Boise, ID 83713. The listed phone number is (425) 205-1602.

What is Margaret Longo's specialty?

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

Is Margaret Longo enrolled in Medicare?

Yes. Margaret Longo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Margaret Longo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Longo reassigns Medicare benefits to Idaho Nutrition Associates, LLC (Eagle, ID). The 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 Margaret Longo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Margaret Longo accept?

Health plans from Select Health list Margaret Longo 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 Margaret Longo was last updated on May 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.