Margaret M Hammes, MSW LISW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

007383 Issued in IA

Practice address

314 W. Main St.
Decorah, IA 52101

Phone

(563) 387-7433

NPI assigned

May 14, 2008

Last updated

Oct 5, 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 2

Addresses

Other identifiers 1

Other names 1

• Meg Hammes Professional name

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

State licenses

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.

• Margaret M Hammes

  • Social Worker
  • Decorah, IA
  • NPI 1043932007
  Authorized official Same address or phone

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

{
    "created_epoch": "1210723200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791158400000",
    "number": "1144497405",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "411 N. JEFFERSON",
            "address_2": "PO BOX 369",
            "city": "CALMAR",
            "state": "IA",
            "postal_code": "52132",
            "telephone_number": "563-387-7433"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "314 W. MAIN ST.",
            "city": "DECORAH",
            "state": "IA",
            "postal_code": "52101",
            "telephone_number": "563-387-7433"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "6414 S Howell Ave Ste B",
            "address_purpose": "LOCATION",
            "city": "Oak Creek",
            "state": "WI",
            "postal_code": "531541104",
            "country_code": "US",
            "telephone_number": "563-387-7433",
            "fax_number": "563-387-2662",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HAMMES",
        "first_name": "MARGARET",
        "middle_name": "M",
        "credential": "MSW LISW",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2008-05-14",
        "last_updated": "2026-10-05",
        "certification_date": "2026-10-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "IA",
            "license": "007383",
            "primary": true
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "WI",
            "license": "11031-123",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "43584800",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MEG",
            "last_name": "HAMMES",
            "credential": "MSW LISW",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

• Molly Helene Haberichter, DPT
• Claire E. Haedike, PSYD
• Brandi Hageman, PHARMD
• Carol Sue Hagen, MSW, LISW
• Alison McClain Hallberg, RN
• Janice Ann Hanson
• Robyn Hanson
• Lindsey Harman, CD(DONA)
• Brenda Harris, MSOM, LAC
• Jon R Hart, DDS

• Clinical Social Worker in Decorah, IA
• Providers in Decorah, IA by specialty
• Clinical Social Worker in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 5, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.