STS Clinic

Primary specialty

Urgent Care Clinic/CenterTaxonomy code 261QU0200X

Legal business name

STS CLINIC

Practice address

22048 Sherman Way Ste 112
Canoga Park, CA 91303-1893

Phone

(818) 522-1737

Fax

(818) 522-1737

NPI assigned

Aug 28, 2025

Last updated

Aug 28, 2025By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Svetlana Tumanyan

Title

Ceo

Phone

(818) 522-1737

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

Locations

Practitioners 3

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Robert E Ladines, M.D.

  • Internal Medicine Physician
  • Pasadena, CA
  • NPI 1033219084
  Medicare reassignment NPD
• Stanton S Kremsky, M.D.

  • Diagnostic Radiology Physician
  • Huntington Beach, CA
  • NPI 1528281607
  Medicare reassignment
• Jose Checa, M.D.

  • Pulmonary Disease Physician
  • Glendale, CA
  • NPI 1700988003
  NPD

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

{
    "created_epoch": "1756339200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1756339200000",
    "number": "1285513929",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "22048 SHERMAN WAY STE 112",
            "city": "CANOGA PARK",
            "state": "CA",
            "postal_code": "913031893",
            "telephone_number": "818-522-1737"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22048 SHERMAN WAY STE 112",
            "city": "CANOGA PARK",
            "state": "CA",
            "postal_code": "913031893",
            "telephone_number": "818-522-1737",
            "fax_number": "818-522-1737"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "STS CLINIC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-08-28",
        "last_updated": "2025-08-28",
        "certification_date": "2025-08-27",
        "status": "A",
        "authorized_official_last_name": "TUMANYAN",
        "authorized_official_first_name": "SVETLANA",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "818-522-1737"
    },
    "taxonomies": [
        {
            "code": "261QU0200X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Urgent Care",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Marilyn Sue Stotts, MSN
• Althea Celia Stresino, M.D.
• Karla Strickland
• Barbara Stroud, PHD
• Jonna Stroum
• Ethan Styadi
• Casey Suh
• Oliver Sulit
• John W Sullivan, CADC II
• Sarah M Sullivan, CADC II

• Urgent Care Clinic/Center in Canoga Park, CA
• Providers in Canoga Park, CA by specialty
• Urgent Care Clinic/Center in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 28, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.