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SYLVIA GLADSTONE CASTRO ARNP
NPI 1912297219
Nurse Practitioner - Family in Renton, WA

Active since April 08, 2011PECOS EnrolledAccepts Medicare Assignment
707 S GRADY WAY STE 600, RENTON, WA 98057(206) 823-1004(206) 309-3319 Get Directions Write a Review

NPPES record last updated: February 15, 2023. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Feb 15, 2023, Nov 26, 2019, Jun 22, 2018 and 1 more (4 updates tracked since 2018).

About Sylvia Gladstone Castro Arnp NPPES

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

SYLVIA GLADSTONE CASTRO ARNP (NPI 1912297219) is an individual family provider in Renton, Washington, licensed in Washington (AP60210183) and active in the NPI registry since April 2011. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1912297219
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameSYLVIA GLADSTONE CASTROCredential: ARNP
Location Address707 S GRADY WAY STE 600Renton, WA 98057
Mailing Address707 S Grady Way Ste 600Renton, WA 98057-3227 · (206) 823-1004 · Fax (206) 309-3319
Phone(206) 823-1004
Fax(206) 309-3319
Sole ProprietorYes
Medical School CMSOtherGraduated 2010
Enumeration DateApril 8, 2011
Last NPPES UpdateFebruary 15, 20234 updates tracked since enumeration
NPPES CertifiedFebruary 15, 2023
✔ NPI 1912297219 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in WA · AP60210183
707 S GRADY WAY STE 600, Renton, WA 98057
Open in Google Maps ↗

Secondary Practice Locations 2

Location 116427 NE 145th StWoodinville, WA 98072 · Phone (425) 481-4835
Location 211812 N Creek Pkwy N Ste 202Bothell, WA 98011-8202 · Phone (425) 287-5500 · Fax (425) 287-6440

Other Identifiers 4

Medicaid203390WA
Medicaid2143055WA
OtherAP60210183WA · Medical License
OtherRN00071163WA · Medical License

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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

Sylvia Gladstone Castro 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 ID4688941511
PECOS Enrollment IDI20170525001786
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 98057 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.

MISS DANA MESSER CCC-SLP
Speech-Language Pathologist
707 S GRADY WAY STE 600
RENTON, WA 98057
King County (425) 437-4370
KATIE KERN A.R.N.P.
Nurse Practitioner (Psychiatric/Mental Health)
707 S GRADY WAY STE 600
RENTON, WA 98057
King County (206) 338-5303
JUDITH ILOKA
Nurse Practitioner (Psychiatric/Mental Health)
707 S GRADY WAY STE 600
RENTON, WA 98057
King County (206) 588-5251
CONRAD SHEARY
Physician Assistant
707 S GRADY WAY STE 600
RENTON, WA 98057
King County (206) 823-1004
NICK ERBER-LAPIERRE PLLC
Counselor
707 S GRADY WAY STE 600
RENTON, WA 98057
King County (253) 242-3305
TAKALI SYNTHICY OMEGA
Case Manager/Care Coordinator
707 S GRADY WAY STE 600
RENTON, WA 98057
King County (360) 742-7605
JOY MENTAL WEALTH SERVICES PLLC
Nurse Practitioner (Psychiatric/Mental Health)
707 S GRADY WAY STE 600
RENTON, WA 98057
King County (812) 204-1234
PURSUIT MENTAL HEALTH AND RECOVERY
Nurse Practitioner (Psychiatric/Mental Health)
707 S GRADY WAY STE 600
RENTON, WA 98057
King County (206) 588-5251

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 Sylvia Castro's NPI number?

The NPI number for Sylvia Castro is 1912297219. It was assigned to this individual provider in the NPPES registry on April 8, 2011.

Where is Sylvia Castro located?

Sylvia Castro practices at 707 S Grady Way Ste 600, Renton, WA 98057. The listed phone number is (206) 823-1004.

What is Sylvia Castro's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Sylvia Castro enrolled in Medicare?

Yes. Sylvia Castro 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.

What insurance does Sylvia Castro accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Sylvia Castro 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 Sylvia Castro was last updated on February 15, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.