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MS. CHIYONG BYUN DI
NPI 1508974643
Dietitian, Registered in Redmond, WA

Active since August 28, 2006
16255 NE 87TH ST STE 150, REDMOND, WA 98052(425) 882-1697 Get Directions Write a Review

NPPES record last updated: December 26, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ms. Chiyong Byun Di NPPES

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

MS. CHIYONG BYUN DI (NPI 1508974643) is an individual dietitian, registered in Redmond, Washington, licensed in Washington (DI00001769) and active in the NPI registry since August 2006. She maintains a secondary practice location in Bothell.

NPPES Registry Identity

NPI1508974643
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameMS. CHIYONG BYUNCredential: DI
Location Address16255 NE 87TH ST STE 150Redmond, WA 98052-7464
Mailing Address955 Powell Ave SwRenton, WA 98057-2908 · (425) 277-1311
Phone(425) 882-1697
Sole ProprietorNo
Enumeration DateAugust 28, 2006
Last NPPES UpdateDecember 26, 2024
NPPES CertifiedDecember 26, 2024
✔ NPI 1508974643 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
License✔ Licensed in WA · DI00001769
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 · License DI00001769
16255 NE 87TH ST STE 150, Redmond, WA 98052
Open in Google Maps ↗

Secondary Practice Location 1

Location 110414 Beardslee Blvd Ste 100Bothell, WA 98011-3205 · Phone (425) 486-0658

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)

Ms. Chiyong Byun Di is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignments

2

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

Healthpoint
Same address
Federally Qualified Health Center (FQHC)
16255 NE 87TH ST STE 150
Redmond, WA 98052
  • Reassigned Medicare billing, Washington enrollment
  • 403 clinicians in this Medicare group
NPI 1891795621 (425) 882-1697
Community Health Center Of Snohomish County
17 mi
Federally Qualified Health Center (FQHC)
8609 EVERGREEN WAY
Everett, WA 98208
  • Reassigned Medicare billing, Washington enrollment
  • 182 clinicians in this Medicare group
NPI 1730136367 (425) 789-1000

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 20

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

ELEAH SUNDE PHD
Psychologist
16255 NE 87TH ST STE 150
REDMOND, WA 98052
King County (425) 882-1697
CHERYL ANNE HASTON MD
Family Medicine
16255 NE 87TH ST STE 150
REDMOND, WA 98052
King County (425) 882-1697
KUSUM RAI MD
Family Medicine
16255 NE 87TH ST STE 150
REDMOND, WA 98052
King County (425) 882-1697
DR. RUTH NISTRIAN ENGLISH DDS
Dentist
16255 NE 87TH ST STE 150
REDMOND, WA 98052
King County (425) 833-8000
GRACE TALBOT DAVIS DNP
Nurse Practitioner
16255 NE 87TH ST STE 150
REDMOND, WA 98052
King County (425) 882-1697
DR. PEANUT WAI-PING WONG HATTAWAY DMD
Dentist
16255 NE 87TH ST STE 150
REDMOND, WA 98052
King County (425) 883-8000
CHRISTOPHER M KRUMM ND, LAC
Naturopath
16255 NE 87TH ST STE 150
REDMOND, WA 98052
King County (425) 882-1697
HANNAH LEE MD
Pediatrics
16255 NE 87TH ST STE 150
REDMOND, WA 98052
King County (425) 882-1697

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 Chiyong Byun's NPI number?

The NPI number for Chiyong Byun is 1508974643. It was assigned to this individual provider in the NPPES registry on August 28, 2006.

Where is Chiyong Byun located?

Chiyong Byun practices at 16255 NE 87th St Ste 150, Redmond, WA 98052. The listed phone number is (425) 882-1697.

What is Chiyong Byun's specialty?

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

Is Chiyong Byun enrolled in Medicare?

Yes. Chiyong Byun is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Chiyong Byun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chiyong Byun reassigns Medicare benefits to 2 organizations: Healthpoint (Redmond, WA) and Community Health Center Of Snohomish County (Everett, WA). 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 Chiyong Byun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Chiyong Byun accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Chiyong Byun 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 Chiyong Byun was last updated on December 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.