Nicole Jill Mallis

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

CW022402 Issued in PA

Practice address

835 W Chester Pike
West Chester, PA 19382-4848

Phone

(215) 630-2955

NPI assigned

Dec 28, 2021

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

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.

Specialty

Clinical Social Worker

Education

Other, 2018

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

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.

• Nicole Mallis LCSW LLC

  • Clinical Social Worker
  • West Chester, PA
  • NPI 1518851476
  NPD Authorized official

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

{
    "created_epoch": "1640649600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778025600000",
    "number": "1871253161",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10 MARY FRAN DR",
            "city": "WEST CHESTER",
            "state": "PA",
            "postal_code": "193826310",
            "telephone_number": "215-630-2955"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "835 W CHESTER PIKE",
            "city": "WEST CHESTER",
            "state": "PA",
            "postal_code": "193824848",
            "telephone_number": "215-630-2955"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MALLIS",
        "first_name": "NICOLE",
        "middle_name": "JILL",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-12-28",
        "last_updated": "2026-05-06",
        "certification_date": "2026-05-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "PA",
            "license": "CW022402",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "COMMERCIAL INSURANCE",
            "identifier": "1235605171",
            "state": "PA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Victor J. Malatesta, PH.D.
• Mary Ann Magee Male, PHD
• Theron C Male, PHD
• Laura Emliy Maleknia
• Jessica Malinowski, MSN, CRNA
• Raghuram G Mallya, MD
• Frank Malone
• Nathan Maltezos, DO
• Nikki Malzi
• Danielle Mamary

• Clinical Social Worker in West Chester, PA
• Providers in West Chester, PA by specialty
• Clinical Social Worker in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 6, 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.