DIANA SZILVASI DNP, ARNP, FNP-C
NPI 1891518858
Nurse Practitioner - Family in Bellevue, WA

Active since November 06, 2024PECOS EnrolledAccepts Medicare Assignment
2100 116TH AVE NE, BELLEVUE, WA 98004(425) 453-0766 Get Directions Write a Review

NPPES record last updated: July 22, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Diana Szilvasi Dnp, Arnp, Fnp-c NPPES

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

DIANA SZILVASI DNP, ARNP, FNP-C (NPI 1891518858) is an individual family provider in Bellevue, Washington, licensed in Washington (AP61599561) and active in the NPI registry since November 2024. She is enrolled in Medicare PECOS, is affiliated with Overlake Hospital Medical Center, and is a graduate of Other (2024).

NPPES Registry Identity

NPI1891518858
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameDIANA SZILVASICredential: DNP, ARNP, FNP-C
Location Address2100 116TH AVE NEBellevue, WA 98004-3016
Mailing Address2100 116th Ave NeBellevue, WA 98004-3016
Sole ProprietorYes
Medical School CMSOtherGraduated 2024
Enumeration DateNovember 6, 2024
Last NPPES UpdateJuly 22, 2025
NPPES CertifiedJuly 22, 2025
NPI 1891518858 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 · AP61599561
2100 116TH AVE NE, Bellevue, WA 98004

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

Diana Szilvasi Dnp, Arnp, Fnp-c 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 ID345759940
PECOS Enrollment IDI20250604002895
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.

Hospital Affiliations CMS Care Compare 2

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

Evergreenhealth Medical Center

Acute Care Hospitals · Kirkland, WA
5/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number500124
Location12040 NE 128th StreetKirkland, WA 98034 · King County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98004 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 4

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

Occupational Therapist
2100 116TH AVE NE
BELLEVUE, WA 98004
Internal Medicine (Rheumatology)
2100 116TH AVE NE
BELLEVUE, WA 98004
Internal Medicine (Rheumatology)
2100 116TH AVE NE
BELLEVUE, WA 98004
Internal Medicine (Rheumatology)
2100 116TH AVE NE
BELLEVUE, WA 98004

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 Diana Szilvasi's NPI number?

The NPI number for Diana Szilvasi is 1891518858. It was assigned to this individual provider in the NPPES registry on November 6, 2024.

Where is Diana Szilvasi located?

Diana Szilvasi practices at 2100 116th Ave NE, Bellevue, WA 98004. The listed phone number is (425) 453-0766.

What is Diana Szilvasi's specialty?

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

Is Diana Szilvasi enrolled in Medicare?

Yes. Diana Szilvasi 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.

Is Diana Szilvasi affiliated with any hospitals?

According to CMS data, Diana Szilvasi is affiliated with Overlake Hospital Medical Center and Evergreenhealth Medical Center.

When was this NPI record last updated?

The NPPES record for Diana Szilvasi was last updated on July 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.