Mari Ann Rivera, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

ME127640 Issued in FL

Practice address

1925 Mizell Ave Ste 201
Winter Park, FL 32792-4155

Phone

(407) 646-7015

Fax

(407) 646-7935

NPI assigned

Jul 13, 2009

Last updated

Sep 28, 2026By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

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

Gastroenterology

Education

University of Puerto Rico School of Medicine, 2008

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Florida Hospital Medical Group IncGroup PAC ID 0749186153, 1,735 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Adventhealth Orlando Hospital, Orlando, FL, CCN 100007
• Adventhealth Daytona Beach Hospital, Daytona Beach, FL, CCN 100068

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Networks

• Optimum HealthCare HMO Network
• Freedom Health HMO Network

Interoperability endpoints

• Direct secure messaging: mrivera73385@adventhealth.direct-ci.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.

• Florida Hospital Medical Group Inc

  dba AdventHealth Medical Group

  • Family Medicine Physician
  • Orlando, FL
  • NPI 1225034234
  Medicare reassignment Care Compare group NPD
• Florida Hospital Medical Group Inc

  dba Rothman Orthopaedics AdventHealth Medical Group at Minneola

  • Prosthetic/Orthotic Supplier
  • Minneola, FL
  • NPI 1285591545
  NPD

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

• Adventist Health System-Sunbelt, Inc

  dba AdventHealth Orlando

  • General Acute Care Hospital
  • Orlando, FL
  • NPI 1306938071
  Care Compare affiliation
• Adventist Health System-Sunbelt, Inc

  dba AdventHealth Orlando Outreach Laboratory

  • Clinical Medical Laboratory
  • Orlando, FL
  • NPI 1801569728

  Hospital

  Care Compare affiliation
• Memorial Health Systems Inc

  dba AdventHealth Daytona Beach

  • General Acute Care Hospital
  • Daytona Beach, FL
  • NPI 1063426823
  Care Compare affiliation
• Memorial Health Systems Inc

  dba AdventHealth Daytona Beach

  • Clinical Medical Laboratory
  • Daytona Beach, FL
  • NPI 1104696178

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1247443200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790553600000",
    "number": "1154550051",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2005 MIZELL AVE STE 2100",
            "city": "WINTER PARK",
            "state": "FL",
            "postal_code": "327924126",
            "telephone_number": "407-646-7015",
            "fax_number": "407-646-7935"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1925 MIZELL AVE STE 201",
            "city": "WINTER PARK",
            "state": "FL",
            "postal_code": "327924155",
            "telephone_number": "407-646-7015",
            "fax_number": "407-646-7935"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8000 Red Bug Lake Rd Ste 209",
            "address_purpose": "LOCATION",
            "city": "Oviedo",
            "state": "FL",
            "postal_code": "327659226",
            "country_code": "US",
            "telephone_number": "407-278-1322",
            "fax_number": "407-278-1323",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RIVERA",
        "first_name": "MARI",
        "middle_name": "ANN",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2009-07-13",
        "last_updated": "2026-09-28",
        "certification_date": "2026-09-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "FL",
            "license": "ME127640",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Alexa Rivera
• Daniella Marie Rivera
• Dialma Rivera, TCM
• Jessica Marie Rivera
• Margo Rivera
• Tierra Rivera
• Joseph Andrew Rivett, PT
• Hassnain Rizvi, DO
• Nancy Elizabeth Rizzo, PSY.D.
• Bralin Roach, BCBA

• Gastroenterology Physician in Winter Park, FL
• Providers in Winter Park, FL by specialty
• Gastroenterology Physician in Florida

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 28, 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.