Individual provider Active NPI

Mariana Rivera Bigham, MD

  • Internal Medicine Physician
  • Kissimmee, FL
National Provider Identifier
1447719547
Registry record updated Sep 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
77311-20 Issued in WI
Practice address
1300 Kevstin Dr
Kissimmee, FL 34744-5843
Phone
(321) 442-1214
Fax
(321) 442-1215
NPI assigned
Mar 18, 2019
Last updated
Sep 17, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 17, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X ME174684 FL
Internal Medicine Physician 207R00000X 77311-20 WI Primary

Addresses

Primary practice location

1300 Kevstin Dr
Kissimmee, FL 34744-5843

Mailing address

1300 Kevstin Dr
Kissimmee, FL 34744-5843
Phone (321) 442-1214

Other practice location 1

1211 Fish Hatchery Rd
Madison, WI 53715-1909
Phone (608) 252-8000

Other identifiers 1

IdentifierTypeStateIssuer
1447719547MedicaidWI

Electronic endpoints 2

TypeEndpointUseAffiliation
FHIR URL https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/ Other
Direct Messaging Address mbigham433098@direct-ehr-ssmhc.com Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI, FL2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20220921001933 WI Practitioner - Internal Medicine 9537495056 Reassigns benefits to 1 organization
I20250910000366 FL Practitioner - Internal Medicine 9537495056 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Mercer University School of Medicine, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Orlando Physicians Network IncGroup PAC ID 7719026251, 231 clinicians

Practice addresses (Care Compare)

1300 Kevstin Dr
Kissimmee, FL 34744-5843
Phone (407) 891-1970

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
77311-20WIMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Dean Health Systems, Inc Internal Medicine CurrentSince Sep 8, 2022 Accepting new patients
Dean Health Systems, Inc. CurrentSince Sep 8, 2022 Accepting new patients
Orlando Physicians Network Inc Internal Medicine CurrentSince Sep 1, 2025 Accepting new patients

Locations

1300 Kevstin Dr
Kissimmee, FL 34744
Phone (321) 442-1214

21 Columbia St
Orlando, FL 32806
Phone (321) 841-5560

1211 Fish Hatchery Rd
Madison, WI 53715
Phone (608) 252-8000

1808 W Beltline Hwy
Madison, WI 53713
Phone (608) 250-1497

515 22nd Ave
Monroe, WI 53566
Phone (608) 324-1000

Interoperability endpoints

  • Direct secure messaging: mbigham433098@direct-ehr-ssmhc.com

Organizations & group practices 3

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.

Hospital & facility affiliations 4

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

NPI Registry JSON

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

{
    "created_epoch": "1552867200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758067200000",
    "number": "1447719547",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1300 KEVSTIN DR",
            "city": "KISSIMMEE",
            "state": "FL",
            "postal_code": "347445843",
            "telephone_number": "321-442-1214",
            "fax_number": "321-442-1215"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1300 KEVSTIN DR",
            "city": "KISSIMMEE",
            "state": "FL",
            "postal_code": "347445843",
            "telephone_number": "321-442-1214",
            "fax_number": "321-442-1215"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1211 Fish Hatchery Rd",
            "address_purpose": "LOCATION",
            "city": "Madison",
            "state": "WI",
            "postal_code": "537151909",
            "country_code": "US",
            "telephone_number": "608-252-8000",
            "fax_number": "608-252-8233",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BIGHAM",
        "first_name": "MARIANA",
        "middle_name": "RIVERA",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-03-18",
        "last_updated": "2025-09-17",
        "certification_date": "2025-09-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "FL",
            "license": "ME174684",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WI",
            "license": "77311-20",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1447719547",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/",
            "affiliation": "N",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "FHIR API",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCD",
            "address_1": "1211 Fish Hatchery Rd",
            "city": "Madison",
            "state": "WI",
            "country_code": "US",
            "postal_code": "537151909",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mbigham433098@direct-ehr-ssmhc.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "mbigham433098@direct-ehr-ssmhc.com",
            "address_1": "1211 Fish Hatchery Rd",
            "city": "Madison",
            "state": "WI",
            "country_code": "US",
            "postal_code": "537151909",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Kissimmee, FL

Sources for this page

Verify at the official NPI Registry.