Individual provider Active NPI

Stephanie Silken Youldassis, DPT

  • Physical Therapist
  • Ventura, CA
National Provider Identifier
1538713714
Registry record updated Dec 3, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical TherapistTaxonomy code 225100000X
Practice address
3525 Loma Vista Rd Ste C
Ventura, CA 93003-3165
Phone
(805) 652-6955
Fax
(805) 652-6959
NPI assigned
Jul 26, 2019
Last updated
Dec 3, 2021By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 3, 2021

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physical Therapist 225100000X NU Primary

Addresses

Primary practice location

3525 Loma Vista Rd Ste C
Ventura, CA 93003-3165

Mailing address

5720 Ralston St Ste 200
Ventura, CA 93003-7844
Phone (805) 804-4168

Other identifiers 1

IdentifierTypeStateIssuer
297550OtherCASTATE LICENSE

Electronic endpoints 1

TypeEndpointUseAffiliation
CONNECT URL https://venturaortho.com/

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20191216002123 CA Practitioner - Physical Therapist in Private Practice 6204260714 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physical Therapist in Private Practice
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Williams Physical Therapy, IncGroup PAC ID 0446424345, 3 clinicians

Practice addresses (Care Compare)

970 Petit Ave
Suite a
Ventura, CA 93004-2215
Phone (805) 672-2801

Merit-based Incentive Payment System (MIPS)

Final score
73.77 of 100Reported as group
Quality
31.85
Promoting interoperability
98
Improvement activities
40
Cost
82.39

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Williams Physical Therapy, Inc Physical Therapist CurrentSince Feb 10, 2025 Accepting new patients

Locations

970 Petit Ave
#A
Ventura, CA 93004
Phone (805) 647-8800

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.

NPI Registry JSON

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

{
    "created_epoch": "1564099200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1638489600000",
    "number": "1538713714",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5720 RALSTON ST STE 200",
            "city": "VENTURA",
            "state": "CA",
            "postal_code": "930037844",
            "telephone_number": "805-804-4168",
            "fax_number": "805-830-1177"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3525 LOMA VISTA RD STE C",
            "city": "VENTURA",
            "state": "CA",
            "postal_code": "930033165",
            "telephone_number": "805-652-6955",
            "fax_number": "805-652-6959"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "YOULDASSIS",
        "first_name": "STEPHANIE",
        "middle_name": "SILKEN",
        "credential": "DPT",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-07-26",
        "last_updated": "2021-12-03",
        "certification_date": "2021-12-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "STATE LICENSE",
            "identifier": "297550",
            "state": "CA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://venturaortho.com/",
            "affiliation": "N",
            "address_1": "3525 Loma Vista Rd Ste C",
            "city": "Ventura",
            "state": "CA",
            "country_code": "US",
            "postal_code": "930033165",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Ventura, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 3, 2021; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.