Margaret S Hiatt, LCSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

16663 Issued in AZ

Practice address

3818 W 16TH St BLDG 5
Yuma, AZ 85364-4107

Phone

(520) 570-1460

NPI assigned

Jul 23, 2015

Sex

Female

Sole proprietor

No

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

• Margaret Gregg Former name

Medicare fee-for-service enrollment

Enrolled in AZ

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.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Pathways of Arizona, LLC

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Tucson, AZ
  • NPI 1275845646
  Medicare reassignment NPD
• Sondermind Provider Network LLC

  • Clinical Social Worker
  • Denver, CO
  • NPI 1760854442

  AZ

  Medicare reassignment NPD
• Pathways of Arizona, LLC

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Tucson, AZ
  • NPI 1336249291
  NPD
• Pathways of Arizona, LLC

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Yuma, AZ
  • NPI 1457645038
  NPD

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

{
    "created_epoch": "1437609600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757980800000",
    "number": "1104201896",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1161 N EL DORADO PL STE 203",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857154607",
            "telephone_number": "520-748-7108",
            "fax_number": "520-570-1396"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3818 W 16TH ST BLDG 5",
            "city": "YUMA",
            "state": "AZ",
            "postal_code": "853644107",
            "telephone_number": "520-570-1460"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HIATT",
        "first_name": "MARGARET",
        "middle_name": "S",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-07-23",
        "last_updated": "2025-09-16",
        "certification_date": "2025-09-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "AZ",
            "license": "16663",
            "primary": true
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "AZ",
            "license": "LMSW-14034",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "267945",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARGARET",
            "last_name": "GREGG",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Raul Herrera
• Nathan Herrington, D.O.
• Shannon Herron-Grady
• Luke William Hess
• Heuser Chiropractic PC
• Higher Way Integrative Therapy
• Dorothy L Higuera, M.ED.
• Susann Hill-Mangan
• Suelen Hill, DMD
• Diego Hinojoza Jr, MS, LISAC

• Clinical Social Worker in Yuma, AZ
• Providers in Yuma, AZ by specialty
• Clinical Social Worker in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 16, 2025; 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.