Alexa Rae Marzo, MD

Primary specialty

Pediatric Critical Care Medicine PhysicianTaxonomy code 2080P0203X

License

ME156042 Issued in FL

Practice address

501 6TH Ave S
St Petersburg, FL 33701-4634

Phone

(727) 767-4106

Fax

(727) 767-8804

NPI assigned

Mar 20, 2019

Sex

Female

Sole proprietor

No

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

Enrolled in FL

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Critical Care (Intensivists)Also: Pediatric Medicine

Education

University of Arizona College of Medicine, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Pediatric Physician Services, Inc.Group PAC ID 7113989849, 200 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Johns Hopkins All Children'S Hospital Hospital, Saint Petersburg, FL, CCN 103300

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: aroberts733203@direct.hopkinsmedicine.org

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.

• Pediatric Physician Services, Inc.

  • Pediatrics Physician
  • St Petersburg, FL
  • NPI 1770532798
  Medicare reassignment Care Compare group NPD

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

• Johns Hopkins All Children'S Hospital, Inc

  • Children's Hospital
  • St Petersburg, FL
  • NPI 1427114099
  Care Compare affiliation

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

{
    "created_epoch": "1553040000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775606400000",
    "number": "1659831378",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "501 6TH AVE S",
            "city": "ST PETERSBURG",
            "state": "FL",
            "postal_code": "337014634",
            "telephone_number": "727-767-4106",
            "fax_number": "727-767-8804"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "501 6TH AVE S",
            "city": "ST PETERSBURG",
            "state": "FL",
            "postal_code": "337014634",
            "telephone_number": "727-767-4106",
            "fax_number": "727-767-8804"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARZO",
        "first_name": "ALEXA",
        "middle_name": "RAE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-03-20",
        "last_updated": "2026-04-08",
        "certification_date": "2026-04-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0203X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Critical Care Medicine",
            "state": "FL",
            "license": "ME156042",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Stephanie Martinez
• Chidi Emmanuel Martins, MD
• Nashlie Martoral
• Mary Kathryn Parham
• Mary'S Garden, Inc.
• Macauley Alister Mascarenhas, MD
• Courtney Nicole Mascoe
• Steven Cameron Masley, MD, CNS
• Alexandra Donn Mason, OTA
• Austin John Mason, OD

• Pediatric Critical Care Medicine Physician in St Petersburg, FL
• Providers in St Petersburg, FL by specialty
• Pediatric Critical Care Medicine Physician in Florida

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 8, 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.