Daniel Frederick Mason, CCC-SLP

Primary specialty

Speech-Language PathologistTaxonomy code 235Z00000X

License

146012075 Issued in IL

Practice address

830 S Addison Ave
Villa Park, IL 60181-2877

Phone

(630) 620-4433

Fax

(630) 620-1148

NPI assigned

May 25, 2010

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

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.

• Easter Seals Dupage and the Fox Valley Region

  • Physical Therapist
  • Villa Park, IL
  • NPI 1194122739

  Speech-Language Pathologist

  NPD (past)
• Easter Seals Dupage and the Fox Valley Region

  • Physical Therapist
  • Villa Park, IL
  • NPI 1568460681

  Developmental Therapist

  NPD (past)
• Positive Development of California PC

  • Psychologist
  • Whittier, CA
  • NPI 1538769617

  Speech-Language Pathologist

  NPD (past)

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

{
    "created_epoch": "1274745600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786924800000",
    "number": "1275852642",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "609 MIDWAY PARK",
            "city": "GLEN ELLYN",
            "state": "IL",
            "postal_code": "601374228",
            "telephone_number": "312-725-9612"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "830 S ADDISON AVE",
            "city": "VILLA PARK",
            "state": "IL",
            "postal_code": "601812877",
            "telephone_number": "630-620-4433",
            "fax_number": "630-620-1148"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "609 Midway Park",
            "address_purpose": "LOCATION",
            "city": "Glen Ellyn",
            "state": "IL",
            "postal_code": "601374228",
            "country_code": "US",
            "telephone_number": "312-725-9612",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1555 Bond St Ste 115",
            "address_purpose": "LOCATION",
            "city": "Naperville",
            "state": "IL",
            "postal_code": "605630138",
            "country_code": "US",
            "telephone_number": "630-357-9699",
            "fax_number": "630-357-9908",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MASON",
        "first_name": "DANIEL",
        "middle_name": "FREDERICK",
        "name_prefix": "Mr.",
        "credential": "CCC-SLP",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2010-05-25",
        "last_updated": "2026-08-17",
        "certification_date": "2026-08-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "MA",
            "license": "SP-9083-SL",
            "primary": false
        },
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "IL",
            "license": "146012075",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Kimberly Maliwanag
• Julie Nicole Mara, RPH
• Maurice Mathy, LPC
• Josselyn Maya, MSW LSW
• Alexandra McCallum, DDS
• Cristina McCormack
• Megan Catherine McDonald, MS, OTR/L

• Speech-Language Pathologist in Villa Park, IL
• Providers in Villa Park, IL by specialty
• Speech-Language Pathologist in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 17, 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.