Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Diana Szilvasi, DNP, ARNP, FNP-C

Individual provider Family Nurse Practitioner · NPI 1891518858

Diana Szilvasi, DNP, ARNP, FNP-C is a Nurse Practitioner in Bellevue, Washington. Qualified in 2024, 2 years ago. Practices with Overlake Arthritis and Osteoporosis Center PLLC, an 8-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
2
Licensed in
WA
In the registry since
2024
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.
ARNP — Advanced Registered Nurse Practitioner
The title some states use for an advanced practice nurse.
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

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Practice location Address checks out

2100 116th Ave NE
Bellevue, WA 98004-3016
Phone: (425) 453-0766
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence AP61599561 (WA)

Record details

NPI number1891518858
Entity typeIndividual (Type 1)
GenderFemale
Credentials DNP , ARNP , FNP-C
Sole proprietorYes
NPI enumeratedNovember 6, 2024
Last updated in NPPESJuly 22, 2025
Certification dateJuly 22, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Group practice Overlake Arthritis And Osteoporosis Center Pllc — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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