MEGAN OLIVIA GILSON ARNP
NPI 1811535750
Nurse Practitioner in Seattle, WA

Q: What is Megan Gilson's NPI number?

The NPI number for Megan Gilson is 1811535750. It was assigned to this individual provider in the NPPES registry on December 11, 2019.

Q: What is Megan Gilson'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 Megan Gilson was last updated on July 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.

Active since December 11, 2019PECOS EnrolledAccepts Medicare Assignment

825 EASTLAKE AVE E, SEATTLE, WA 98109(206) 520-5000 Get Directions Write a Review

NPPES record last updated: July 14, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 26, 2023, Jan 6, 2023, Dec 11, 2019 (3 updates tracked since 2019).

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About Megan Olivia Gilson Arnp NPPES

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

MEGAN OLIVIA GILSON ARNP (NPI 1811535750) is an individual nurse practitioner in Seattle, Washington, licensed in Washington (AP61048347) and active in the NPI registry since December 2019. She is enrolled in Medicare PECOS, is affiliated with Musc Medical Center, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1811535750

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameMEGAN OLIVIA GILSONCredential: ARNP

Location Address825 EASTLAKE AVE ESeattle, WA 98109-4405

Mailing AddressPo Box 50095Seattle, WA 98145-5095

Phone(206) 520-5000

Sole ProprietorNo

Medical School CMSOtherGraduated 2013

Enumeration DateDecember 11, 2019

Last NPPES UpdateJuly 14, 20253 updates tracked since enumeration

NPPES CertifiedJuly 14, 2025

✔ NPI 1811535750 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 · AP61048347

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 ListedNurse Practitioner · Critical Care MedicineTaxonomy 363LC0200X · License AP61048347 (WA)

825 EASTLAKE AVE E, Seattle, WA 98109

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter of North Carolina, First Choice Next and more.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

Megan Olivia Gilson Arnp 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 ID9537580089

PECOS Enrollment IDI20200609001262

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

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

129 services76 patients

Hospital Affiliations CMS Care Compare 2

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

Musc Medical Center

Acute Care Hospitals · Charleston, SC

2/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number420004

Location169 Ashley AveCharleston, SC 29425 · Charleston County

Emergency services Birthing friendly

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 98109 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 20

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

SANDHYA RAMANATHAN PANCH M.D.

Internal Medicine (Hematology)