NPPES file of Aug 9, 2026

Diana Szilvasi, DNP, ARNP, FNP-C

Family Nurse Practitioner · Bellevue, WA

Diana Szilvasi, DNP, ARNP, FNP-C is a family nurse practitioner with a practice address in Bellevue, Washington, and NPI 1891518858, issued on Nov 6, 2024. Check the license (Washington AP61599561, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891518858
Name
Diana Szilvasi
Credential
DNP, ARNP, FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
AP61599561 WA
Self-reported in NPPES; status is on the state search
Practice location
2100 116TH Ave NE, Bellevue, WA 98004
Phone
(425) 453-0766
Enumerated
Nov 6, 2024
Record last updated
Jul 22, 2025
Medicare enrollment
Enrolled (PECOS I20250604002895); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family nurse practitioner records → All 3,781 in Washington → Look up another NPI →

Also registered at 2100 116TH Ave NE

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Katherine Cristiano, ARNPRheumatology Physician1497472500
  2. Christopher Dinh, PA-CRheumatology Physician1811787484
  3. Justin Putz, DORheumatology Physician1346864345
  4. Nupur Tenne, MS OTR/LOccupational Therapist1215288907

Verify Diana Szilvasi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license AP61599561    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Overlake Arthritis And Osteoporosis Center PLLCBellevue, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Diana Szilvasi among 3,781 family nurse practitioner records in Washington

Diana Szilvasi, DNP, ARNP, FNP-C is one of 3,781 family nurse practitioner records with a practice address in Washington. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 90% of them.

  • NPI issued2024 · 90% of these records are older, 5% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2024 · median 2018 among the 2,116 with a school on file
  • Record last updated2025 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

88 family nurse practitioner records list a practice address in Bellevue

They are 88 of the 6,738 NPPES records with a practice address in Bellevue, and 3,781 family nurse practitioner records in Washington.

All 3,781 in Washington → Every provider in Bellevue → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Lisa Bolton, A.P.N.Bellevue, WA 980041699084244
  2. Renee Cantarini, ARNPBellevue, WA 980041588602569
  3. Yi-Jen Chiang, FNP-BCBellevue, WA 980041689812661
  4. Samantha Condiotty, ARNPBellevue, WA 980041184896367
  5. Bradley Danks, N.P.Bellevue, WA 980041407086671
  6. Tyler Free, ARNPBellevue, WA 980041508943846
  7. Deborah Griffing, ARNP, PHDBellevue, WA 980041093847006
  8. Ana Huston, FNPBellevue, WA 980041578750048

Common questions

What is Diana Szilvasi, DNP, ARNP, FNP-C's NPI number?

Diana Szilvasi, DNP, ARNP, FNP-C's National Provider Identifier (NPI) is 1891518858, issued on Nov 6, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Diana Szilvasi, DNP, ARNP, FNP-C located?

The NPPES record lists a practice address at 2100 116TH Ave NE, Bellevue, WA, 98004. Phone: (425) 453-0766. Providers update this record themselves, so call before visiting.

How can I verify Diana Szilvasi, DNP, ARNP, FNP-C's license?

NPPES lists Washington license number AP61599561, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.