Brett Ashley Mastromatteo, FNP-BC

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

APRN9340168 Issued in FL

Practice address

1117 N Olive Ave Ste 203
West Palm Beach, FL 33401-3520

Phone

(561) 802-9050

Fax

(305) 675-3378

NPI assigned

Oct 2, 2017

Last updated

Jun 11, 2026By the provider in NPPES

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

Enrolled in FL

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, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Gastro Health, LLCGroup PAC ID 2365440567, 246 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Good Samaritan Medical Center Hospital, West Palm Beach, FL, CCN 100287
• Jupiter Medical Center Hospital, Jupiter, FL, CCN 100253
• Palm Beach Gardens Medical Center Hospital, Palm Beach Gardens, FL, CCN 100176

Merit-based Incentive Payment System (MIPS)

Final score

82.04 of 100Reported as group

Quality

65.4

Promoting interoperability

98

Improvement activities

40

Cost

76.41

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: brett.mastromatteo@gastrohealth.eclinicaldirectplus.com

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.

• Gastro Health LLC

  • Gastroenterology Physician
  • Miami, FL
  • NPI 1487767133
  Medicare reassignment Care Compare group NPD
• Gastro Health, LLC

  • Gastroenterology Physician
  • Pembroke Pines, FL
  • NPI 1457026932
  NPD
• Galloway Anesthesia Associates LLC

  • Anesthesiology Physician
  • Miami, FL
  • NPI 1689989139
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Good Samaritan Medical Center, Inc.

  dba Good Samaritan Medical Center

  • General Acute Care Hospital
  • West Palm Beach, FL
  • NPI 1770515991
  Care Compare affiliation
• Jupiter Medical Center, Inc.

  • General Acute Care Hospital
  • Jupiter, FL
  • NPI 1295721090
  Care Compare affiliation
• Palm Beach Gardens Community Hospital, Inc.

  dba Palm Beach Gardens Medical Center

  • General Acute Care Hospital
  • Palm Beach Gardens, FL
  • NPI 1144251216
  Care Compare affiliation

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

{
    "created_epoch": "1506902400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781136000000",
    "number": "1619487857",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9500 S DADELAND BLVD STE 200",
            "city": "MIAMI",
            "state": "FL",
            "postal_code": "331562866",
            "telephone_number": "305-468-4185",
            "fax_number": "305-675-3378"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1117 N OLIVE AVE STE 203",
            "city": "WEST PALM BEACH",
            "state": "FL",
            "postal_code": "334013520",
            "telephone_number": "561-802-9050",
            "fax_number": "305-675-3378"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASTROMATTEO",
        "first_name": "BRETT",
        "middle_name": "ASHLEY",
        "name_prefix": "Mrs.",
        "credential": "FNP-BC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-10-02",
        "last_updated": "2026-06-11",
        "certification_date": "2026-06-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "FL",
            "license": "APRN9340168",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAL LICENSE",
            "identifier": "RN9340168",
            "state": "FL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Mode Massillon, NP
• Steven Masson
• Johnnilynn Massucco, CRNA
• Paul Anthony Mastrandrea, D.O.
• Dania Vilma Mastrapa Serrano
• Maria B. Mata, MD
• Matchedcare
• Roma Cheere Renido Mateo
• Cory Mateu, FNP
• Lindsy Mathew, OTR/L

• Family Nurse Practitioner in West Palm Beach, FL
• Providers in West Palm Beach, FL by specialty
• Family Nurse Practitioner in Florida

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 11, 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.