1. Home
  2. Directory
  3. Washington
  4. Prosser
  5. Dietitian Registered
  6. NPI Profile

MRS. ASHLEY NICOLE GUNDERSON RDN
NPI 1841908787
Dietitian, Registered in Prosser, WA

Active since November 09, 2022
723 MEMORIAL ST, PROSSER, WA 99350(509) 786-2222 Get Directions Write a Review

NPPES record last updated: November 9, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrs. Ashley Nicole Gunderson Rdn NPPES

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

MRS. ASHLEY NICOLE GUNDERSON RDN (NPI 1841908787) is an individual dietitian, registered in Prosser, Washington and active in the NPI registry since November 2022.

NPPES Registry Identity

NPI1841908787
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameMRS. ASHLEY NICOLE GUNDERSONCredential: RDN
Location Address723 MEMORIAL STProsser, WA 99350-1593
Mailing Address6626 Chapel Hill Blvd Apt E306Pasco, WA 99301-5337 · (509) 786-2222
Phone(509) 786-2222
Sole ProprietorNo
Enumeration DateNovember 9, 2022
NPPES CertifiedNovember 9, 2022
✔ NPI 1841908787 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.
723 MEMORIAL ST, Prosser, WA 99350
Open in Google Maps ↗

Other Names 1

Former Name (1)Ashley Nicole Mason

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, 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)

Mrs. Ashley Nicole Gunderson Rdn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Prosser Public Hospital District Of Benton County
0.1 mi
Multi-Specialty
723 MEMORIAL ST
Prosser, WA 99350
  • Reassigned Medicare billing, Washington enrollment
  • 232 clinicians in this Medicare group
NPI 1285445056 (509) 786-2222

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.

PROSSER PUBLIC HOSPITAL DISTRICT OF BENTON COUNTY
General Acute Care Hospital (Critical Access)
723 MEMORIAL ST
PROSSER, WA 99350
Benton County (509) 786-2222
ASHLEY MARIAH KENNEY MOT, OTR/L
Occupational Therapist
723 MEMORIAL ST
PROSSER, WA 99350
Benton County (509) 786-2222
PROSSER PUBLIC HOSPITAL DISTRICT OF BENTON COUNTY
Skilled Nursing Facility
723 MEMORIAL ST
PROSSER, WA 99350
Benton County (509) 786-2222
BENJAMIN J PASSEY
Nurse Anesthetist, Certified Registered
723 MEMORIAL ST
PROSSER, WA 99350
Benton County (801) 644-4700
MRS. AMY SHOOK CRNFA
Registered Nurse (Registered Nurse First Assistant)
723 MEMORIAL ST
PROSSER, WA 99350
Benton County (509) 786-6676
PETER CULP PT, DPT
Physical Therapist
723 MEMORIAL ST
PROSSER, WA 99350
Benton County (509) 786-2222
KYLE JAMES CARLSON DNP, CRNA
Nurse Anesthetist, Certified Registered
723 MEMORIAL ST
PROSSER, WA 99350
Benton County (509) 786-2222
PROSSER PUBLIC HOSPITAL DISTRICT OF BENTON COUNTY
Clinic/Center (Multi-Specialty)
723 MEMORIAL ST
PROSSER, WA 99350
Benton County (509) 786-2222

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 Ashley Gunderson's NPI number?

The NPI number for Ashley Gunderson is 1841908787. It was assigned to this individual provider in the NPPES registry on November 9, 2022. The provider is also known as Ashley Nicole Mason.

Where is Ashley Gunderson located?

Ashley Gunderson practices at 723 Memorial St, Prosser, WA 99350. The listed phone number is (509) 786-2222.

What is Ashley Gunderson's specialty?

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

Is Ashley Gunderson enrolled in Medicare?

Yes. Ashley Gunderson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ashley Gunderson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ashley Gunderson reassigns Medicare benefits to Prosser Public Hospital District Of Benton County (Prosser, 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 Ashley Gunderson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ashley Gunderson accept?

Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Ashley Gunderson 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 Ashley Gunderson was last updated on November 9, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.