Margaret Zall, LMSW

Primary specialty

Social WorkerTaxonomy code 104100000X

License

LM26230 Issued in ME

Practice address

72 Grant St Apt 3
Portland, ME 04101-2276

Phone

(207) 400-0266

NPI assigned

Sep 23, 2026

Last updated

Sep 23, 2026By the provider in NPPES

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

Medicare enrollment (NPD)

Not enrolled

State licenses

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

{
    "created_epoch": "1790121600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790121600000",
    "number": "1184537946",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "72 GRANT ST APT 3",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041012276",
            "telephone_number": "207-400-0266"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "72 GRANT ST APT 3",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041012276",
            "telephone_number": "207-400-0266"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZALL",
        "first_name": "MARGARET",
        "credential": "LMSW",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-09-23",
        "last_updated": "2026-09-23",
        "certification_date": "2026-09-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "ME",
            "license": "LM26230",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• John J Zappia, D.D.S.

• Social Worker in Portland, ME
• Providers in Portland, ME by specialty
• Social Worker in Maine

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 23, 2026; 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.