Individual provider Active NPI

Stephanie Gastaldi

  • Mental Health Counselor
  • Bellevue, WA
National Provider Identifier
1295351666
Registry record updated Aug 21, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
License
MC61220049 Issued in WA
Practice address
11900 NE 1St St Ste 300
Bellevue, WA 98005-3049
Phone
(425) 818-5816
NPI assigned
Jun 22, 2020
Last updated
Aug 21, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 21, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Counselor 101YM0800X MC61220049 WA Primary
Student in an Organized Health Care Education/Training Program 390200000X NU

Addresses

Primary practice location

11900 NE 1St St Ste 300
Bellevue, WA 98005-3049

Mailing address

PO Box 1043
Mercer Island, WA 98040-1043
Phone (206) 930-2019

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
MC61220049WAMDMental Health Counselor

Practice roles

OrganizationSpecialtyStatusNew patients
NW Empowerment Counseling Services PLLC Mental Health CurrentSince Oct 8, 2023 Accepting new patients
Atlantic Street Center PastSince Jun 1, 2020 Accepting new patients

Locations

11900 NE 1st St
Ste 300
Bellevue, WA 98005
Phone (425) 298-6471

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1592784000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755734400000",
    "number": "1295351666",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1043",
            "city": "MERCER ISLAND",
            "state": "WA",
            "postal_code": "980401043",
            "telephone_number": "206-930-2019"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11900 NE 1ST ST STE 300",
            "city": "BELLEVUE",
            "state": "WA",
            "postal_code": "980053049",
            "telephone_number": "425-818-5816"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GASTALDI",
        "first_name": "STEPHANIE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-06-22",
        "last_updated": "2025-08-21",
        "certification_date": "2025-08-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "WA",
            "license": "MC61220049",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bellevue, WA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 21, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.