Heather O'Malley, ASW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

125100 Issued in CA

Practice address

10535 Hospital Way
Mather, CA 95655-4200

Phone

(800) 382-8387

NPI assigned

Sep 15, 2018

Sex

Female

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Other names 1

• Heather Cook Former name

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": "1536969600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787529600000",
    "number": "1770067720",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10535 HOSPITAL WAY",
            "city": "MATHER",
            "state": "CA",
            "postal_code": "956554200",
            "telephone_number": "925-352-1221"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10535 HOSPITAL WAY",
            "city": "MATHER",
            "state": "CA",
            "postal_code": "956554200",
            "telephone_number": "800-382-8387"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "420 Ellis Cir",
            "address_purpose": "LOCATION",
            "city": "Folsom",
            "state": "CA",
            "postal_code": "956309571",
            "country_code": "US",
            "telephone_number": "925-352-5214",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'MALLEY",
        "first_name": "HEATHER",
        "credential": "ASW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-09-15",
        "last_updated": "2026-08-24",
        "certification_date": "2026-08-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "125100",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "HEATHER",
            "last_name": "COOK",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Alison Anne Nielsen, MD
• Jacob Powell Nimmo, AU.D.
• Robert Edwin Noll Jr., M.D.
• Fnu Novita
• Brenda Nunez
• Sarah Ofodire
• Gregory H Ono, PHARM.D.
• Matt Opada, RN
• Optimum Health Care Centet
• Steve Orwig

• Clinical Social Worker in Mather, CA
• Providers in Mather, CA by specialty
• Clinical Social Worker in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 24, 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.