SARAH ELIZABETH MACKAY M.D.
NPI 1003341819
Pediatrics in Wenatchee, WA

Active since April 30, 2017PECOS Enrolled
600 ORONDO AVE, STE 1, WENATCHEE, WA 98801(509) 662-6000(509) 664-4590 Get Directions Write a Review

NPPES record last updated: November 29, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 29, 2022, Oct 6, 2021, Jun 30, 2021 and 3 more (6 updates tracked since 2017).

About Sarah Elizabeth Mackay M.d. NPPES

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

SARAH ELIZABETH MACKAY M.D. (NPI 1003341819) is an individual pediatrics provider in Wenatchee, Washington, licensed in Washington (61122912) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1003341819
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameSARAH ELIZABETH MACKAYCredential: M.D.
Location Address600 ORONDO AVE, STE 1Wenatchee, WA 98801-2800
Mailing Address600 Orondo Ave, Ste 1Wenatchee, WA 98801-2800 · (509) 662-6000 · Fax (509) 664-4590
Fax(509) 664-4590
Sole ProprietorNo
Enumeration DateApril 30, 2017
Last NPPES UpdateNovember 29, 20226 updates tracked since enumeration
NPPES CertifiedNovember 29, 2022
✔ NPI 1003341819 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in WA · 61122912✔ Licensed in WI · 70736-20
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.
Also ListedHospitalistTaxonomy 208M00000X · License 70736-20 (WI)
600 ORONDO AVE, Wenatchee, WA 98801

Other Names 1

Former Name (1)Sarah Elizabeth Clark

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sarah Elizabeth Mackay M.d. 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 Reassignment

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

Federally Qualified Health Center (FQHC)
600 ORONDO AVE STE 1
Wenatchee, WA 98801
  • Reassigned Medicare billing, Washington enrollment
  • 81 clinicians in this Medicare group

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 98801 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.

Counselor (Mental Health)
600 ORONDO AVE, SUITE 1
WENATCHEE, WA 98801
Nurse Practitioner (Family)
600 ORONDO AVE, STE 1
WENATCHEE, WA 98801
Nurse Practitioner (Psychiatric/Mental Health)
600 ORONDO AVE
WENATCHEE, WA 98801
Advanced Practice Midwife
600 ORONDO AVE
WENATCHEE, WA 98801
Dentist (General Practice)
600 ORONDO AVE, STE 1
WENATCHEE, WA 98801
Physician Assistant
600 ORONDO AVE
WENATCHEE, WA 98801
Psychologist
600 ORONDO AVE
WENATCHEE, WA 98801
Counselor
600 ORONDO AVE
WENATCHEE, WA 98801

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 Sarah Mackay's NPI number?

The NPI number for Sarah Mackay is 1003341819. It was assigned to this individual provider in the NPPES registry on April 30, 2017. The provider is also known as Sarah Elizabeth Clark.

Where is Sarah Mackay located?

Sarah Mackay practices at 600 Orondo Ave Ste 1, Wenatchee, WA 98801. The listed phone number is (509) 662-6000.

What is Sarah Mackay's specialty?

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

Is Sarah Mackay enrolled in Medicare?

Yes. Sarah Mackay is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Sarah Mackay's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Mackay reassigns Medicare benefits to Columbia Valley Community Health (Wenatchee, 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 Sarah Mackay's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sarah Mackay accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Sarah Mackay 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 Sarah Mackay was last updated on November 29, 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.