MARY MARGRETHE FALCONE LUMOR ARNP, DNP
NPI 1124825674
Nurse Practitioner in Seattle, WA

Active since March 03, 2025PECOS EnrolledAccepts Medicare Assignment
1221 MADISON ST STE 900, SEATTLE, WA 98104(206) 215-6800(206) 215-6801 Get Directions Write a Review

NPPES record last updated: January 12, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 12, 2026, Sep 16, 2025, Mar 3, 2025 (3 updates tracked since 2025).

About Mary Margrethe Falcone Lumor Arnp, Dnp NPPES

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

MARY MARGRETHE FALCONE LUMOR ARNP, DNP (NPI 1124825674) is an individual nurse practitioner in Seattle, Washington, licensed in Washington (AP70054702) and active in the NPI registry since March 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1124825674
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMARY MARGRETHE FALCONE LUMORCredential: ARNP, DNP
Location Address1221 MADISON ST STE 900Seattle, WA 98104-3588
Mailing AddressPo Box 25608Salt Lake City, UT 84125-0608 · (206) 320-4476 · Fax (206) 568-7043
Fax(206) 215-6801
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateMarch 3, 2025
Last NPPES UpdateJanuary 12, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 12, 2026
✔ NPI 1124825674 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in WA · AP70054702
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedRegistered NurseTaxonomy 163W00000X · License RN70054696 (WA)
1221 MADISON ST STE 900, Seattle, WA 98104

Accepted 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

Mary Margrethe Falcone Lumor Arnp, Dnp 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 ID2163917386
PECOS Enrollment IDI20251224001091
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 Mary Margrethe Lumor reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
800 5TH AVE, STE 600
Seattle, WA 98104
  • Reassigned Medicare billing, Washington enrollment
  • 1,270 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 98104 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
$97.43 typical visit price
range $63.67 – $189.37
Typical copayment $24.35 (range $15.91 – $47.34)
Most-billed visit code 99203
Established Patient
$111.00 typical visit price
range $21.12 – $155.00
Typical copayment $27.75 (range $5.28 – $38.75)
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 Mary Margrethe Lumor's NPI number?

The NPI number for Mary Margrethe Lumor is 1124825674. It was assigned to this individual provider in the NPPES registry on March 3, 2025.

Where is Mary Margrethe Lumor located?

Mary Margrethe Lumor practices at 1221 Madison St Ste 900, Seattle, WA 98104. The listed phone number is (206) 215-6800.

What is Mary Margrethe Lumor's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Mary Margrethe Lumor enrolled in Medicare?

Yes. Mary Margrethe Lumor 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 Mary Margrethe Lumor's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Margrethe Lumor reassigns Medicare benefits to Swedish Health Services (Seattle, 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 Mary Margrethe Lumor's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Margrethe Lumor accept?

Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Mary Margrethe Lumor 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 Mary Margrethe Lumor was last updated on January 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.