Katja Gottlieb-Stier, MSS, LSW

Primary specialty

Social WorkerTaxonomy code 104100000X

License

SW143673 Issued in PA

Practice address

606 Sigel St
Philadelphia, PA 19148-1724

Phone

(215) 756-5154

NPI assigned

Sep 14, 2026

Sex

Female

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

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

{
    "created_epoch": "1789344000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789344000000",
    "number": "1356252993",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "606 SIGEL ST",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191481724",
            "telephone_number": "215-756-5154"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "606 SIGEL ST",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191481724",
            "telephone_number": "215-756-5154"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GOTTLIEB-STIER",
        "first_name": "KATJA",
        "credential": "MSS, LSW",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-09-14",
        "last_updated": "2026-09-14",
        "certification_date": "2026-09-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "PA",
            "license": "SW143673",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Varsha Goswami, M.D.
• Jonathan Isaac Gotfried, M.D.
• Andrew Gotowala
• Jeromy Warren Gotschall, MD
• Jay Adam Gottfried, M.D., PH.D.
• Adam Gottlieb, D.P.M.
• Amishai Gottlieb, LSW
• Diane Gottlieb, MD
• Jessica Brooke Gottlieb, LCSW
• Julia Mae Gottlieb, LCSW

• Social Worker in Philadelphia, PA
• Providers in Philadelphia, PA by specialty
• Social Worker in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.