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DR. CHARLES LYON STEWART DNP, PMHNP
NPI 1144946757
Nurse Practitioner - Psychiatric/Mental Health in Seattle, WA

Active since October 14, 2022PECOS EnrolledAccepts Medicare Assignment
10521 MERIDIAN AVE N, SEATTLE, WA 98133(253) 822-7444 Get Directions Write a Review

NPPES record last updated: November 10, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 10, 2025, Oct 14, 2022 (2 updates tracked since 2022).

About Dr. Charles Lyon Stewart Dnp, Pmhnp NPPES

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

DR. CHARLES LYON STEWART DNP, PMHNP (NPI 1144946757) is an individual psychiatric/mental health provider in Seattle, Washington, licensed in Washington (AP70021445) and active in the NPI registry since October 2022. He is enrolled in Medicare PECOS, maintains a secondary practice location in Seattle, and is a graduate of Other (2025).

NPPES Registry Identity

NPI1144946757
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameDR. CHARLES LYON STEWARTCredential: DNP, PMHNP
Location Address10521 MERIDIAN AVE NSeattle, WA 98133-9509
Mailing Address325 W Gowe StKent, WA 98032-5892 · (253) 833-7444
Phone(253) 822-7444
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateOctober 14, 2022
Last NPPES UpdateNovember 10, 20252 updates tracked since enumeration
NPPES CertifiedNovember 10, 2025
✔ NPI 1144946757 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in WA · AP70021445
Also ListedRegistered NurseTaxonomy 163W00000X · License RN61086796 (WA)
10521 MERIDIAN AVE N, Seattle, WA 98133
Open in Google Maps ↗

Secondary Practice Location 1

Location 110521 Meridian Ave NSeattle, WA 98133-9509 · Phone (206) 296-4990

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. Charles Lyon Stewart Dnp, Pmhnp 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 ID8729570528
PECOS Enrollment IDI20251119003686
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98133 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.

DR. WOO JIN PARK D.M.D.
Dentist
10521 MERIDIAN AVE N
SEATTLE, WA 98133
King County (206) 296-4990
KRISTIN VAN DE KAMP SUDPT
Student in an Organized Health Care Education/Training Program
10521 MERIDIAN AVE N
SEATTLE, WA 98133
King County (253) 833-7444
LILY ELISE CLEE CNM, WHNP
Advanced Practice Midwife
10521 MERIDIAN AVE N
SEATTLE, WA 98133
King County (206) 296-4990
ALEXIS LOCAY BRITO DDS
Dentist
10521 MERIDIAN AVE N
SEATTLE, WA 98133
King County (206) 296-4990
SAMANTHA GOLDISH LICSW
Social Worker (Clinical)
10521 MERIDIAN AVE N
SEATTLE, WA 98133
King County (253) 259-6170
MATTSON COFFMAN SUDP
Counselor (Addiction (Substance Use Disorder))
10521 MERIDIAN AVE N
SEATTLE, WA 98133
King County (253) 833-7444
JENA LOPEZ
Counselor
10521 MERIDIAN AVE N
SEATTLE, WA 98133
King County (253) 833-7444
MONA WIGGINS D.N.P.
Nurse Practitioner (Family)
10521 MERIDIAN AVE N
SEATTLE, WA 98133
King County (206) 296-4990

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 Charles Stewart's NPI number?

The NPI number for Charles Stewart is 1144946757. It was assigned to this individual provider in the NPPES registry on October 14, 2022.

Where is Charles Stewart located?

Charles Stewart practices at 10521 Meridian Ave N, Seattle, WA 98133. The listed phone number is (253) 822-7444.

What is Charles Stewart's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Charles Stewart enrolled in Medicare?

Yes. Charles Stewart 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.

When was this NPI record last updated?

The NPPES record for Charles Stewart was last updated on November 10, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.