Joshua Gladstein, OTR/L

Primary specialty

Pediatric Occupational TherapistTaxonomy code 225XP0200X

License

OT61265969 Issued in WA

Practice address

6212 45TH Ave NE
Seattle, WA 98115-7602

Phone

(206) 300-2118

NPI assigned

Mar 31, 2025

Last updated

Mar 31, 2025By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

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.

• Glad Horizons PLLC

  • Clinic/Center
  • Seattle, WA
  • NPI 1942003140
  NPD Authorized official

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

{
    "created_epoch": "1743379200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743379200000",
    "number": "1235932435",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6212 45TH AVE NE",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981157602",
            "telephone_number": "206-300-2118"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6212 45TH AVE NE",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981157602",
            "telephone_number": "206-300-2118"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GLADSTEIN",
        "first_name": "JOSHUA",
        "name_prefix": "Dr.",
        "credential": "OTR/L",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2025-03-31",
        "last_updated": "2025-03-31",
        "certification_date": "2025-03-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225XP0200X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist, Pediatrics",
            "state": "WA",
            "license": "OT61265969",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Barry Gjerdrum, DC
• Vivian Rachel Gjessing
• Glad Horizons PLLC
• Hellisha Shanta Gladden-Harris
• George H. Glade Sr., ARNP
• Laura J Gladstone, MD
• Randall Paul Gladwish, PT
• Joseph West Glahn, ARNP
• Lyall Glait
• Amber Carolyn Glantz, MA CCC-SLP

• Pediatric Occupational Therapist in Seattle, WA
• Providers in Seattle, WA by specialty
• Pediatric Occupational Therapist in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 31, 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.