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MALLORY MICHELLE ISLEY RD
NPI 1417727231
Dietitian, Registered in Yakima, WA

Active since January 03, 2024Accepts Medicare Assignment

NPPES record last updated: November 6, 2025. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Nov 6, 2025, Jan 3, 2024 (2 updates tracked since 2024).

About Mallory Michelle Isley Rd NPPES

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

MALLORY MICHELLE ISLEY RD (NPI 1417727231) is an individual dietitian, registered in Yakima, Washington, licensed in Washington (86276043) and active in the NPI registry since January 2024. She maintains a secondary practice location in Sunnyside and is a graduate of Other (2022).

NPPES Registry Identity

NPI1417727231
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameMALLORY MICHELLE ISLEYCredential: RD
Location Address12 S 8TH STYakima, WA 98901-3020
Mailing Address12 S 8th StYakima, WA 98901-3020 · (509) 454-4143
Phone(509) 454-4143
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateJanuary 3, 2024
Last NPPES UpdateNovember 6, 20252 updates tracked since enumeration
NPPES CertifiedNovember 6, 2025
✔ NPI 1417727231 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 · 86276043
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 ListedCase Manager/Care CoordinatorTaxonomy 171M00000X · License 86276043 (WA)
12 S 8TH ST, Yakima, WA 98901
Open in Google Maps ↗

Secondary Practice Location 1

Location 1617 Scoon RdSunnyside, WA 98944-1031 · Phone (509) 837-8200 ext. 3613

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mallory Michelle Isley Rd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4688017908
PECOS Enrollment IDI20240202003733

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $57.27 – $172.80
Typical copayment $0.00 (range $14.31 – $43.20)
Most-billed visit code NA
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

MARIA-ELENA MENDOZA LICSW
Social Worker (Clinical)
12 S 8TH ST
YAKIMA, WA 98901
Yakima County (509) 454-4143
MARY MARGARET FRANZ RN
Registered Nurse
12 S 8TH ST
YAKIMA, WA 98901
Yakima County (509) 454-4143
ASHLEIGH GASKELL RN
Registered Nurse
12 S 8TH ST
YAKIMA, WA 98901
Yakima County (509) 454-4143
THOMAS C DAVIDSON CDP
Counselor (Addiction (Substance Use Disorder))
12 S 8TH ST
YAKIMA, WA 98901
Yakima County (509) 454-4143
DIANA A GODINEZ
Registered Nurse
12 S 8TH ST
YAKIMA, WA 98901
Yakima County (509) 454-4143
DULCE MARIA MARTINEZ
Counselor
12 S 8TH ST
YAKIMA, WA 98901
Yakima County (509) 454-4143
LISA REINMUTH RD, CD
Dietitian, Registered
12 S 8TH ST
YAKIMA, WA 98901
Yakima County (509) 454-4143
JAMES KENDALL EAKIN ARNP, PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
12 S 8TH ST
YAKIMA, WA 98901
Yakima County (509) 454-4143

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 Mallory Isley's NPI number?

The NPI number for Mallory Isley is 1417727231. It was assigned to this individual provider in the NPPES registry on January 3, 2024.

Where is Mallory Isley located?

Mallory Isley practices at 12 S 8th St, Yakima, WA 98901. The listed phone number is (509) 454-4143.

What is Mallory Isley's specialty?

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

Is Mallory Isley enrolled in Medicare?

Yes. Mallory Isley is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Mallory Isley was last updated on November 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.