Individual provider Active NPI

Diana Szilvasi, DNP, ARNP, FNP-C

  • Family Nurse Practitioner
  • Bellevue, WA
National Provider Identifier
1891518858
Registry record updated Jul 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
AP61599561 Issued in WA
Practice address
2100 116TH Ave NE
Bellevue, WA 98004-3016
Phone
(425) 453-0766
NPI assigned
Nov 6, 2024
Last updated
Jul 22, 2025By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 22, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X AP61599561 WA Primary

Addresses

Primary practice location

2100 116TH Ave NE
Bellevue, WA 98004-3016

Mailing address

2100 116TH Ave NE
Bellevue, WA 98004-3016

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250604002895 WA Practitioner - Nurse Practitioner 0345759940 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2024
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Overlake Arthritis and Osteoporosis Center PLLCGroup PAC ID 3577548197, 8 clinicians

Practice addresses (Care Compare)

2100 116TH Ave NE
Bellevue, WA 98004-3016
Phone (425) 453-0766

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Overlake Arthritis and Osteoporosis Center, PLLC CurrentSince Apr 15, 2025 Accepting new patients

Locations

2100 116th Ave NE
Bellevue, WA 98004
Phone (425) 453-0766

Interoperability endpoints

  • FHIR API: https://fhir4.healow.com/fhir/r4/HIEHCD

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1730851200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753142400000",
    "number": "1891518858",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2100 116TH AVE NE",
            "city": "BELLEVUE",
            "state": "WA",
            "postal_code": "980043016"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2100 116TH AVE NE",
            "city": "BELLEVUE",
            "state": "WA",
            "postal_code": "980043016",
            "telephone_number": "425-453-0766"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SZILVASI",
        "first_name": "DIANA",
        "credential": "DNP, ARNP, FNP-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2024-11-06",
        "last_updated": "2025-07-22",
        "certification_date": "2025-07-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "WA",
            "license": "AP61599561",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bellevue, WA

Sources for this page

Verify at the official NPI Registry.