Matthew Robert Mullen, FNP-C

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

AP128329 Issued in TX

Practice address

5306 Downs Dr
Austin, TX 78721-2206

Phone

(210) 663-1622

NPI assigned

Jun 15, 2015

Last updated

Apr 29, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in TX

Eligible to order & refer

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

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Longhorn Emergency Medical Associates PAGroup PAC ID 4486971041, 149 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Longhorn Emergency Medical Associates PA

  • Emergency Medicine Physician
  • Austin, TX
  • NPI 1649669672

  Nurse Practitioner

  Medicare reassignment Care Compare group NPD
• Victoria Emergency Partners LLC

  • Emergency Medicine Physician
  • Gonzales, TX
  • NPI 1164770996
  Medicare reassignment NPD

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

{
    "created_epoch": "1434326400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777420800000",
    "number": "1528449626",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4303 VICTORY DR",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787047507",
            "telephone_number": "512-462-3627",
            "fax_number": "512-462-3431"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5306 DOWNS DR",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787212206",
            "telephone_number": "210-663-1622"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "901 W Ben White Blvd",
            "address_purpose": "LOCATION",
            "city": "Austin",
            "state": "TX",
            "postal_code": "787046903",
            "country_code": "US",
            "telephone_number": "925-924-1600",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MULLEN",
        "first_name": "MATTHEW",
        "middle_name": "ROBERT",
        "name_prefix": "Mr.",
        "credential": "FNP-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-06-15",
        "last_updated": "2026-04-29",
        "certification_date": "2026-04-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "TX",
            "license": "AP128329",
            "primary": true
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "TX",
            "license": "AP128329",
            "primary": false
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "TX",
            "license": "766565",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Blake Harrison Mulgrew, DMD
• Sydney Katherine Mulholland, OTD, OTR/L
• Nina Muli
• Francis Mullally, MA, BCBA
• Katherine Elizabeth Mullen, DC, MS
• Valerie S Muller-Clark, PHARMD
• Gregory Muller, PH.D.
• Lyndsay Rose Muller, LPC
• Alison Elaine Mullett, LPC
• Rose Anne Mulligan, D.C.

• Nurse Practitioner in Austin, TX
• Providers in Austin, TX by specialty
• Nurse Practitioner in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 29, 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.