Diana Szilvasi, DNP, ARNP, FNP-C
NPI 1891518858 · Family Nurse Practitioner · Bellevue, WA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Szilvasi, DNP, ARNP, FNP-C is a Family Nurse Practitioner provider in Bellevue, WA (NPI 1891518858).
Provider details
- NPI number
- 1891518858
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP, ARNP, FNP-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- AP61599561 (WA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-11-06
- Last updated
- 2025-07-22
- Certified
- 2025-07-22
Frequently asked questions
- What is Diana Szilvasi's NPI number?
- Diana Szilvasi's National Provider Identifier (NPI) is 1891518858, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Szilvasi's specialty?
- Diana Szilvasi is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diana Szilvasi located?
- Diana Szilvasi's practice location on file with NPPES is 2100 116th Ave Ne, Bellevue, WA 98004-3016.
- What is Diana Szilvasi's phone number?
- The practice phone number listed in the NPPES registry for Diana Szilvasi is (425) 453-0766.
- Does Diana Szilvasi accept Medicare?
- Diana Szilvasi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Szilvasi's NPI active?
- Yes — Diana Szilvasi's NPI (1891518858) is active in the NPPES registry as of the last update on 2025-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.