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

DR. SEAN EDWARD LEGG ARNP, DNP
NPI 1942657416
Nurse Practitioner in Seattle, WA

Q: What is Sean Legg's NPI number?

The NPI number for Sean Legg is 1942657416. It was assigned to this individual provider in the NPPES registry on May 15, 2016.

Q: What is Sean Legg's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Sean Legg was last updated on June 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 56 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.

Active since May 15, 2016PECOS EnrolledAccepts Medicare Assignment

1221 MADISON ST STE 1020, SEATTLE, WA 98104(206) 215-2658(206) 991-2363 Get Directions Write a Review

NPPES record last updated: June 25, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 24, 2021, Dec 17, 2019, May 16, 2016 and 1 more (4 updates tracked since 2016).

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About Dr. Sean Edward Legg Arnp, Dnp NPPES

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

DR. SEAN EDWARD LEGG ARNP, DNP (NPI 1942657416) is an individual nurse practitioner in Seattle, Washington, licensed in Washington (AP60654128) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, is affiliated with Overlake Hospital Medical Center, and is a graduate of University Of Washington School Of Medicine (2016).

NPPES Registry Identity

NPI1942657416

Entity TypeIndividualMale

Primary Taxonomy363L00000X

Provider Legal NameDR. SEAN EDWARD LEGGCredential: ARNP, DNP

Location Address1221 MADISON ST STE 1020Seattle, WA 98104-1380

Mailing AddressPo Box 25608Salt Lake City, UT 84125-0608 · (206) 320-4476

Phone(206) 215-2658

Fax(206) 991-2363

Sole ProprietorNo

Medical School CMSUniversity Of Washington School Of MedicineGraduated 2016

Enumeration DateMay 15, 2016

Last NPPES UpdateJune 25, 20264 updates tracked since enumeration

NPPES CertifiedJune 25, 2026

✔ NPI 1942657416 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in WA · AP60654128

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 RN00166283 (WA)

Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License AP60654128 (WA)

1221 MADISON ST STE 1020, Seattle, WA 98104

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Other Identifiers 1

Medicaid2059112WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Sean Edward Legg 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 ID1153612700

PECOS Enrollment IDI20160629000675

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.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

177 services89 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

128 services73 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

79 services76 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

42 services21 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Overlake Hospital Medical Center

Acute Care Hospitals · Bellevue, WA

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number500051

Location1035-116th Ave NEBellevue, WA 98004 · King County

Emergency services Birthing friendly

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.

Other Providers at the Same Location NPPES 10

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

MS. YUKO K MILLER PA-C

Physician Assistant