KATHARINE BLAIR STIERS MD
NPI 1235716853
Pediatrics in Yakima, WA

Q: What is Katharine Stiers's NPI number?

The NPI number for Katharine Stiers is 1235716853. It was assigned to this individual provider in the NPPES registry on March 28, 2021.

Q: What is Katharine Stiers's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Katharine Stiers was last updated on August 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since March 28, 2021PECOS Enrolled

402 S 12TH AVE, YAKIMA, WA 98902(509) 575-0114(509) 452-5224 Get Directions Write a Review

NPPES record last updated: August 27, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 8, 2021, Mar 28, 2021 (2 updates tracked since 2021).

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About Katharine Blair Stiers Md NPPES

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

KATHARINE BLAIR STIERS MD (NPI 1235716853) is an individual pediatrics provider in Yakima, Washington, licensed in Washington (MD61533491) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS and maintains a secondary practice location in Seattle.

NPPES Registry Identity

NPI1235716853

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameKATHARINE BLAIR STIERSCredential: MD

Location Address402 S 12TH AVEYakima, WA 98902-3115

Mailing Address501 S 5th AveYakima, WA 98902-3550 · (509) 853-1082 · Fax (509) 573-6275

Phone(509) 575-0114

Fax(509) 452-5224

Sole ProprietorNo

Enumeration DateMarch 28, 2021

Last NPPES UpdateAugust 27, 20242 updates tracked since enumeration

NPPES CertifiedAugust 27, 2024

✔ NPI 1235716853 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

Licenses✔ Licensed in WA · MD61533491✔ Licensed in WA · ML61165277

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

402 S 12TH AVE, Yakima, WA 98902

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Secondary Practice Location 1

Location 14800 Sand Point Way NE, OC.7.830Seattle, WA 98105-3901 · Phone (206) 987-2525

Other Identifiers 1

Medicaid2188789WA

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)

Katharine Blair Stiers Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

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

Yakima Valley Memorial Physicians

0.2 mi

Orthopaedic Surgery

111 S 11TH AVE STE 320
Yakima, WA 98902

Reassigned Medicare billing, Washington enrollment
565 clinicians in this Medicare group

NPI 1154015592 (509) 454-8888

Community Health Of Central Washington

0.7 mi

Federally Qualified Health Center (FQHC)

501 S 5TH AVE
Yakima, WA 98902

Reassigned Medicare billing, Washington enrollment
150 clinicians in this Medicare group

NPI 1598764920 (509) 494-6700

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98902 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

$88.29 typical visit price

range $57.27 – $172.80

Typical copayment $22.07 (range $14.31 – $43.20)

Most-billed visit code 99203

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.

LETICIA RODRIGUEZ ARNP

Nurse Practitioner (Pediatrics)