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MRS. LESLIE A. ESTEP MD
NPI 1457354896
Family Medicine in Mount Vernon, WA

Active since May 31, 2005PECOS Enrolled
227 FREEWAY DRIVE, SUITE A, MOUNT VERNON, WA 98273(360) 814-5550(360) 814-5591 Get Directions Write a Review

NPPES record last updated: March 22, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrs. Leslie A. Estep Md NPPES

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

MRS. LESLIE A. ESTEP MD (NPI 1457354896) is an individual family medicine provider in Mount Vernon, Washington, licensed in Washington (MD00032199) and active in the NPI registry since May 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1457354896
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameMRS. LESLIE A. ESTEPCredential: MD
Location Address227 FREEWAY DRIVE, SUITE AMount Vernon, WA 98273
Mailing Address1400 E. Kincaid Street, Attn: CredentialingMount Vernon, WA 98274-4127 · (360) 428-2500 · Fax (360) 428-6485
Phone(360) 814-5550
Fax(360) 814-5591
Sole ProprietorNo
Enumeration DateMay 31, 2005
Last NPPES UpdateMarch 22, 2016
✔ NPI 1457354896 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in WA · MD00032199✔ Licensed in WA · MD0032199
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedFamily Medicine · Hospice and Palliative MedicineTaxonomy 207QH0002X · License MD00032199 (WA)
227 FREEWAY DRIVE, Mount Vernon, WA 98273
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Other Names 1

Former Name (1)Leslie M. Amenson Md

Other Identifiers 5

Medicare UPING19084
Medicaid8185985WA
Other014683WA · L&i
Medicare ID-Type UnspecifiedAB19768WA
Medicare PING8906816WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include 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. Leslie A. Estep 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 Reassignment

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

Public Hospital Dist No 1 Skagit
0.7 mi
General Practice
1400 E KINCAID ST
Mount Vernon, WA 98274
  • Reassigned Medicare billing, Washington enrollment
  • 463 clinicians in this Medicare group
NPI 1023332749 (360) 428-2500

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 98273 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.

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 Leslie Estep's NPI number?

The NPI number for Leslie Estep is 1457354896. It was assigned to this individual provider in the NPPES registry on May 31, 2005. The provider is also known as Leslie M. Amenson MD.

Where is Leslie Estep located?

Leslie Estep practices at 227 Freeway Drive Suite A, Mount Vernon, WA 98273. The listed phone number is (360) 814-5550.

What is Leslie Estep's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Leslie Estep enrolled in Medicare?

Yes. Leslie Estep is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Leslie Estep's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leslie Estep reassigns Medicare benefits to Public Hospital Dist No 1 Skagit (Mount Vernon, 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 Leslie Estep's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Leslie Estep accept?

Health plans from Providence Health Plan list Leslie Estep 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 Leslie Estep was last updated on March 22, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.