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MARGRET LYONS RDN
NPI 1598114472
Dietitian, Registered in Bellevue, WA

Active since June 10, 2016
11711 NE 12TH ST, STE #3A, BELLEVUE, WA 98005(425) 450-9474 Get Directions Write a Review

NPPES record last updated: June 10, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Margret Lyons Rdn NPPES

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

MARGRET LYONS RDN (NPI 1598114472) is an individual dietitian, registered in Bellevue, Washington and active in the NPI registry since June 2016.

NPPES Registry Identity

NPI1598114472
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameMARGRET LYONSCredential: RDN
Location Address11711 NE 12TH ST, STE #3ABellevue, WA 98005-2461
Mailing Address11711 Ne 12th St, Ste #3aBellevue, WA 98005-2461 · (425) 450-9474
Phone(425) 450-9474
Sole ProprietorYes
Enumeration DateJune 10, 2016
✔ NPI 1598114472 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ 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.
11711 NE 12TH ST, Bellevue, WA 98005
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

Medicare Billing Reassignment

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

Therapy Management Services, PLLC
2.6 mi
Physical Therapist
15600 NE 8TH ST STE A3
Bellevue, WA 98008
  • Reassigned Medicare billing, Washington enrollment
  • 168 clinicians in this Medicare group
NPI 1710330378 (425) 502-7081

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

Other Providers at the Same Location NPPES 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MARTIN A HERMAN MD PS
Surgery
11711 NE 12TH ST, SUITE 1A
BELLEVUE, WA 98005
King County (425) 454-9791
MR. ROBERT E TUTLAND RPT
Physical Therapist
11711 NE 12TH ST, STE 3A
BELLEVUE, WA 98005
King County (425) 450-9474
KYLE SCOTT FORBES DPT
Physical Therapist
11711 NE 12TH ST, SUITE 3A
BELLEVUE, WA 98005
King County (425) 454-1504
ROBERT P LYNCH MD
Surgery
11711 NE 12TH ST, SUITE 1A
BELLEVUE, WA 98005
King County (425) 899-4301
DR. LEE E PRICE DC
Chiropractor
11711 NE 12TH ST, STE 3A
BELLEVUE, WA 98005
King County (425) 454-1405
NORTHWEST PODIATRY, PLLC
Clinic/Center (Podiatric)
11711 NE 12TH ST, STE 1-B
BELLEVUE, WA 98005
King County (425) 453-1598
RICHARD A KANER M.D.
Internal Medicine (Geriatric Medicine)
11711 NE 12TH ST, SUITE 2-B
BELLEVUE, WA 98005
King County (425) 637-1022
ROBERT LYNCH, MD
Specialist
11711 NE 12TH ST, SUITE 1A
BELLEVUE, WA 98005
King County (425) 646-4301

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 Margret Lyons's NPI number?

The NPI number for Margret Lyons is 1598114472. It was assigned to this individual provider in the NPPES registry on June 10, 2016.

Where is Margret Lyons located?

Margret Lyons practices at 11711 NE 12th St Ste #3a, Bellevue, WA 98005. The listed phone number is (425) 450-9474.

What is Margret Lyons's specialty?

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

Is Margret Lyons enrolled in Medicare?

Yes. Margret Lyons is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Margret Lyons's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Margret Lyons reassigns Medicare benefits to Therapy Management Services, PLLC (Bellevue, WA). 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 Margret Lyons's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Margret Lyons accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Margret Lyons 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 Margret Lyons was last updated on June 10, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.