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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LESLEY ELIZABETH MAGNUSSEN NP-C
NPI 1538479225
Nurse Practitioner - Adult Health in Denver, CO

Active since October 14, 2010PECOS Enrolled
10405 MARTIN LUTHER KING BLVD STE 110, DENVER, CO 80238(303) 393-4330(303) 322-4195 Get Directions Write a Review

NPPES record last updated: October 30, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 30, 2026, Jul 24, 2024, Dec 1, 2022 and 1 more (4 updates tracked since 2019).

About Lesley Elizabeth Magnussen Np-c NPPES

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

LESLEY ELIZABETH MAGNUSSEN NP-C (NPI 1538479225) is an individual adult health provider in Denver, Colorado, licensed in Colorado (APN.0998283-NP) and active in the NPI registry since October 2010. She is enrolled in Medicare PECOS and is a graduate of Other (2010).

NPPES Registry Identity

NPI1538479225
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameLESLEY ELIZABETH MAGNUSSENCredential: NP-C
Location Address10405 MARTIN LUTHER KING BLVD STE 110Denver, CO 80238-2399
Mailing Address10405 Martin Luther King Blvd Ste 110Denver, CO 80238-2399 · (303) 393-4330 · Fax (303) 322-4195
Phone(303) 393-4330
Fax(303) 322-4195
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateOctober 14, 2010
Last NPPES UpdateOctober 30, 20264 updates tracked since enumeration
NPPES CertifiedOctober 30, 2026
✔ NPI 1538479225 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in CO · APN.0998283-NP
10405 MARTIN LUTHER KING BLVD STE 110, Denver, CO 80238
Open in Google Maps ↗

Other Names 1

Former Name (1)Lesley Elizabeth Martin

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Lesley Elizabeth Magnussen Np-c 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 ID5193960151
PECOS Enrollment IDI20250602000572
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 Lesley Magnussen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Healthone Clinic Services - Primary Care LLC
4.1 mi
Family Medicine
4545 E 9TH AVE STE 400
Denver, CO 80220
  • Reassigned Medicare billing, Colorado enrollment
  • 47 clinicians in this Medicare group
NPI 1518141761 (303) 320-2929

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 80238 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
$89.43 typical visit price
range $58.06 – $174.82
Typical copayment $22.35 (range $14.51 – $43.70)
Most-billed visit code 99203
Established Patient
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
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 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HEALTHONE CLINIC SERVICES - OBSTETRICS AND GYNECOLOGY LLC
Obstetrics & Gynecology
10405 MARTIN LUTHER KING BLVD STE 110
DENVER, CO 80238
Denver County (303) 788-6657
DR. ROMY E MASON M.D.
Obstetrics & Gynecology
10405 MARTIN LUTHER KING BLVD STE 110
DENVER, CO 80238
Denver County (303) 393-4330
BRIANNA AUDREY FARLEY MD
Obstetrics & Gynecology
10405 MARTIN LUTHER KING BLVD STE 110
DENVER, CO 80238
Denver County (303) 393-4330

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 Lesley Magnussen's NPI number?

The NPI number for Lesley Magnussen is 1538479225. It was assigned to this individual provider in the NPPES registry on October 14, 2010. The provider is also known as Lesley Elizabeth Martin.

Where is Lesley Magnussen located?

Lesley Magnussen practices at 10405 Martin Luther King Blvd Ste 110, Denver, CO 80238. The listed phone number is (303) 393-4330.

What is Lesley Magnussen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Lesley Magnussen enrolled in Medicare?

Yes. Lesley Magnussen 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.

Which organization bills Medicare for Lesley Magnussen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lesley Magnussen reassigns Medicare benefits to Healthone Clinic Services - Primary Care LLC (Denver, CO). 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 Lesley Magnussen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lesley Magnussen accept?

Health plans from UnitedHealthcare list Lesley Magnussen 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 Lesley Magnussen was last updated on October 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days 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.